Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime
For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNi...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Chen, Da [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection - He, Fuliang ELSEVIER, 2019, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:526 ; year:2019 ; day:1 ; month:12 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.jnucmat.2019.151747 |
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ELV048583812 |
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| 245 | 1 | 0 | |a Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime |
| 264 | 1 | |c 2019transfer abstract | |
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| 520 | |a For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. | ||
| 520 | |a For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. | ||
| 650 | 7 | |a Point defects behavior |2 Elsevier | |
| 650 | 7 | |a Vacancy concentration |2 Elsevier | |
| 650 | 7 | |a High-entropy alloy |2 Elsevier | |
| 650 | 7 | |a Helium diffusion |2 Elsevier | |
| 650 | 7 | |a Helium bubbles |2 Elsevier | |
| 700 | 1 | |a Zhao, Shijun |4 oth | |
| 700 | 1 | |a Sun, Jianrong |4 oth | |
| 700 | 1 | |a Tai, Pengfei |4 oth | |
| 700 | 1 | |a Sheng, Yanbin |4 oth | |
| 700 | 1 | |a Zhao, Yilu |4 oth | |
| 700 | 1 | |a Yeli, Guma |4 oth | |
| 700 | 1 | |a Lin, Weitong |4 oth | |
| 700 | 1 | |a Liu, Shaofei |4 oth | |
| 700 | 1 | |a Kai, Wu |4 oth | |
| 700 | 1 | |a Kai, Ji-Jung |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a He, Fuliang ELSEVIER |t An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection |d 2019 |g Amsterdam [u.a.] |w (DE-627)ELV00295916X |
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10.1016/j.jnucmat.2019.151747 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000819.pica (DE-627)ELV048583812 (ELSEVIER)S0022-3115(19)30467-2 DE-627 ger DE-627 rakwb eng 620 VZ 53.00 bkl 35.06 bkl 54.00 bkl Chen, Da verfasserin aut Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. Point defects behavior Elsevier Vacancy concentration Elsevier High-entropy alloy Elsevier Helium diffusion Elsevier Helium bubbles Elsevier Zhao, Shijun oth Sun, Jianrong oth Tai, Pengfei oth Sheng, Yanbin oth Zhao, Yilu oth Yeli, Guma oth Lin, Weitong oth Liu, Shaofei oth Kai, Wu oth Kai, Ji-Jung oth Enthalten in Elsevier Science He, Fuliang ELSEVIER An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection 2019 Amsterdam [u.a.] (DE-627)ELV00295916X volume:526 year:2019 day:1 month:12 pages:0 https://doi.org/10.1016/j.jnucmat.2019.151747 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.00 Elektrotechnik: Allgemeines VZ 35.06 Computeranwendungen Chemie VZ 54.00 Informatik: Allgemeines VZ AR 526 2019 1 1201 0 |
| spelling |
10.1016/j.jnucmat.2019.151747 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000819.pica (DE-627)ELV048583812 (ELSEVIER)S0022-3115(19)30467-2 DE-627 ger DE-627 rakwb eng 620 VZ 53.00 bkl 35.06 bkl 54.00 bkl Chen, Da verfasserin aut Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. Point defects behavior Elsevier Vacancy concentration Elsevier High-entropy alloy Elsevier Helium diffusion Elsevier Helium bubbles Elsevier Zhao, Shijun oth Sun, Jianrong oth Tai, Pengfei oth Sheng, Yanbin oth Zhao, Yilu oth Yeli, Guma oth Lin, Weitong oth Liu, Shaofei oth Kai, Wu oth Kai, Ji-Jung oth Enthalten in Elsevier Science He, Fuliang ELSEVIER An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection 2019 Amsterdam [u.a.] (DE-627)ELV00295916X volume:526 year:2019 day:1 month:12 pages:0 https://doi.org/10.1016/j.jnucmat.2019.151747 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.00 Elektrotechnik: Allgemeines VZ 35.06 Computeranwendungen Chemie VZ 54.00 Informatik: Allgemeines VZ AR 526 2019 1 1201 0 |
| allfields_unstemmed |
10.1016/j.jnucmat.2019.151747 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000819.pica (DE-627)ELV048583812 (ELSEVIER)S0022-3115(19)30467-2 DE-627 ger DE-627 rakwb eng 620 VZ 53.00 bkl 35.06 bkl 54.00 bkl Chen, Da verfasserin aut Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. Point defects behavior Elsevier Vacancy concentration Elsevier High-entropy alloy Elsevier Helium diffusion Elsevier Helium bubbles Elsevier Zhao, Shijun oth Sun, Jianrong oth Tai, Pengfei oth Sheng, Yanbin oth Zhao, Yilu oth Yeli, Guma oth Lin, Weitong oth Liu, Shaofei oth Kai, Wu oth Kai, Ji-Jung oth Enthalten in Elsevier Science He, Fuliang ELSEVIER An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection 2019 Amsterdam [u.a.] (DE-627)ELV00295916X volume:526 year:2019 day:1 month:12 pages:0 https://doi.org/10.1016/j.jnucmat.2019.151747 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.00 Elektrotechnik: Allgemeines VZ 35.06 Computeranwendungen Chemie VZ 54.00 Informatik: Allgemeines VZ AR 526 2019 1 1201 0 |
| allfieldsGer |
10.1016/j.jnucmat.2019.151747 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000819.pica (DE-627)ELV048583812 (ELSEVIER)S0022-3115(19)30467-2 DE-627 ger DE-627 rakwb eng 620 VZ 53.00 bkl 35.06 bkl 54.00 bkl Chen, Da verfasserin aut Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. Point defects behavior Elsevier Vacancy concentration Elsevier High-entropy alloy Elsevier Helium diffusion Elsevier Helium bubbles Elsevier Zhao, Shijun oth Sun, Jianrong oth Tai, Pengfei oth Sheng, Yanbin oth Zhao, Yilu oth Yeli, Guma oth Lin, Weitong oth Liu, Shaofei oth Kai, Wu oth Kai, Ji-Jung oth Enthalten in Elsevier Science He, Fuliang ELSEVIER An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection 2019 Amsterdam [u.a.] (DE-627)ELV00295916X volume:526 year:2019 day:1 month:12 pages:0 https://doi.org/10.1016/j.jnucmat.2019.151747 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.00 Elektrotechnik: Allgemeines VZ 35.06 Computeranwendungen Chemie VZ 54.00 Informatik: Allgemeines VZ AR 526 2019 1 1201 0 |
| allfieldsSound |
10.1016/j.jnucmat.2019.151747 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000819.pica (DE-627)ELV048583812 (ELSEVIER)S0022-3115(19)30467-2 DE-627 ger DE-627 rakwb eng 620 VZ 53.00 bkl 35.06 bkl 54.00 bkl Chen, Da verfasserin aut Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime 2019transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. Point defects behavior Elsevier Vacancy concentration Elsevier High-entropy alloy Elsevier Helium diffusion Elsevier Helium bubbles Elsevier Zhao, Shijun oth Sun, Jianrong oth Tai, Pengfei oth Sheng, Yanbin oth Zhao, Yilu oth Yeli, Guma oth Lin, Weitong oth Liu, Shaofei oth Kai, Wu oth Kai, Ji-Jung oth Enthalten in Elsevier Science He, Fuliang ELSEVIER An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection 2019 Amsterdam [u.a.] (DE-627)ELV00295916X volume:526 year:2019 day:1 month:12 pages:0 https://doi.org/10.1016/j.jnucmat.2019.151747 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 53.00 Elektrotechnik: Allgemeines VZ 35.06 Computeranwendungen Chemie VZ 54.00 Informatik: Allgemeines VZ AR 526 2019 1 1201 0 |
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Enthalten in An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection Amsterdam [u.a.] volume:526 year:2019 day:1 month:12 pages:0 |
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An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection |
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Diffusion controlled helium bubble formation resistance of FeCoNiCr high-entropy alloy in the half-melting temperature regime |
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For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. |
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For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. |
| abstract_unstemmed |
For the structure materials applied in advanced nuclear energy system, helium bubble formation is always a big concern which will severely degrade the performance of materials around or above the half-melting temperature regime (∼0.5 T m ). To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA. |
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To explore the He bubble formation resistance in the FeCoNiCr alloy, that is a novel face-centered cubic (fcc) high-entropy alloy (HEA) showing excellent radiation damage tolerance, we conducted a series of 2 MeV He ions irradiation experiments on them at three different temperatures (0.46, 0.51 and 0.57 T m ). For reference purpose, a model fcc metallic system of pure Ni was irradiated simultaneously. Through transmission electron microscopy (TEM), He bubble formation in the irradiated samples was systematically investigated. The results show that in any designated temperature, He bubbles have a smaller size, higher number density, and denser distribution in the HEA when comparing to that of pure Ni. The volume fraction of He bubbles is also less in the HEA, suggesting a suppressed bubble evolution. For the underlying mechanism of the He bubble formation resistance of HEA, we suggest that the featured energy barriers for point defects migration in the HEA will promote the recombination of defects and somewhat reduce the vacancy concentration during irradiation. Such unique effect could suppress the He diffusion through vacancy mechanism, it will finally influence the evolution of He bubbles in the HEA.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Point defects behavior</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Vacancy concentration</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">High-entropy alloy</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Helium diffusion</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Helium bubbles</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhao, Shijun</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sun, Jianrong</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tai, Pengfei</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sheng, Yanbin</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhao, Yilu</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yeli, Guma</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lin, Weitong</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Shaofei</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kai, Wu</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kai, Ji-Jung</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier Science</subfield><subfield code="a">He, Fuliang ELSEVIER</subfield><subfield code="t">An image segmentation algorithm based on double-layer pulse-coupled neural network model for kiwifruit detection</subfield><subfield code="d">2019</subfield><subfield code="g">Amsterdam [u.a.]</subfield><subfield code="w">(DE-627)ELV00295916X</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:526</subfield><subfield code="g">year:2019</subfield><subfield code="g">day:1</subfield><subfield code="g">month:12</subfield><subfield code="g">pages:0</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.jnucmat.2019.151747</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">53.00</subfield><subfield code="j">Elektrotechnik: Allgemeines</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">35.06</subfield><subfield code="j">Computeranwendungen</subfield><subfield code="x">Chemie</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">54.00</subfield><subfield code="j">Informatik: Allgemeines</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">526</subfield><subfield code="j">2019</subfield><subfield code="b">1</subfield><subfield code="c">1201</subfield><subfield code="h">0</subfield></datafield></record></collection>
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