Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions
Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as s...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhao, Keke [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Anmerkung: |
© Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. |
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| Übergeordnetes Werk: |
Enthalten in: Mechanics of solids - New York, NY : Allerton, 2007, 58(2023), 6 vom: Dez., Seite 2382-2398 |
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| Übergeordnetes Werk: |
volume:58 ; year:2023 ; number:6 ; month:12 ; pages:2382-2398 |
| Links: |
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| DOI / URN: |
10.3103/S0025654423601465 |
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SPR054630096 |
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| 520 | |a Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. | ||
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10.3103/S0025654423601465 doi (DE-627)SPR054630096 (SPR)S0025654423601465-e DE-627 ger DE-627 rakwb eng Zhao, Keke verfasserin aut Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. Zhang, Jiding aut Sun, Ke aut Liu, Wenhao aut Jiang, Xiaoyu aut Enthalten in Mechanics of solids New York, NY : Allerton, 2007 58(2023), 6 vom: Dez., Seite 2382-2398 (DE-627)535186789 (DE-600)2375720-6 1934-7936 nnns volume:58 year:2023 number:6 month:12 pages:2382-2398 https://dx.doi.org/10.3103/S0025654423601465 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 58 2023 6 12 2382-2398 |
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10.3103/S0025654423601465 doi (DE-627)SPR054630096 (SPR)S0025654423601465-e DE-627 ger DE-627 rakwb eng Zhao, Keke verfasserin aut Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. Zhang, Jiding aut Sun, Ke aut Liu, Wenhao aut Jiang, Xiaoyu aut Enthalten in Mechanics of solids New York, NY : Allerton, 2007 58(2023), 6 vom: Dez., Seite 2382-2398 (DE-627)535186789 (DE-600)2375720-6 1934-7936 nnns volume:58 year:2023 number:6 month:12 pages:2382-2398 https://dx.doi.org/10.3103/S0025654423601465 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 58 2023 6 12 2382-2398 |
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10.3103/S0025654423601465 doi (DE-627)SPR054630096 (SPR)S0025654423601465-e DE-627 ger DE-627 rakwb eng Zhao, Keke verfasserin aut Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. Zhang, Jiding aut Sun, Ke aut Liu, Wenhao aut Jiang, Xiaoyu aut Enthalten in Mechanics of solids New York, NY : Allerton, 2007 58(2023), 6 vom: Dez., Seite 2382-2398 (DE-627)535186789 (DE-600)2375720-6 1934-7936 nnns volume:58 year:2023 number:6 month:12 pages:2382-2398 https://dx.doi.org/10.3103/S0025654423601465 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 58 2023 6 12 2382-2398 |
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10.3103/S0025654423601465 doi (DE-627)SPR054630096 (SPR)S0025654423601465-e DE-627 ger DE-627 rakwb eng Zhao, Keke verfasserin aut Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. Zhang, Jiding aut Sun, Ke aut Liu, Wenhao aut Jiang, Xiaoyu aut Enthalten in Mechanics of solids New York, NY : Allerton, 2007 58(2023), 6 vom: Dez., Seite 2382-2398 (DE-627)535186789 (DE-600)2375720-6 1934-7936 nnns volume:58 year:2023 number:6 month:12 pages:2382-2398 https://dx.doi.org/10.3103/S0025654423601465 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 58 2023 6 12 2382-2398 |
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10.3103/S0025654423601465 doi (DE-627)SPR054630096 (SPR)S0025654423601465-e DE-627 ger DE-627 rakwb eng Zhao, Keke verfasserin aut Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. Zhang, Jiding aut Sun, Ke aut Liu, Wenhao aut Jiang, Xiaoyu aut Enthalten in Mechanics of solids New York, NY : Allerton, 2007 58(2023), 6 vom: Dez., Seite 2382-2398 (DE-627)535186789 (DE-600)2375720-6 1934-7936 nnns volume:58 year:2023 number:6 month:12 pages:2382-2398 https://dx.doi.org/10.3103/S0025654423601465 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 58 2023 6 12 2382-2398 |
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Zhao, Keke Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions |
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Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions |
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special fatigue fracture behavior of nanocrystalline metals under hydrogen conditions |
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Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions |
| abstract |
Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. |
| abstractGer |
Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. |
| abstract_unstemmed |
Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. The results show that under the presence of hydrogen, it can reduce the resistance of dislocation movement, promote the emission of crack-tip dislocations, enlarge the plastic zone at the CT, and reduce the dislocation-free zone. In addition, hydrogen atoms can accumulate at GBs and inside grains to form hydrides, reducing the surface energy of the material and making it easier for nanocracks to nucleate at GBs and inside grains. Moreover, hydrogen can exacerbate the stress concentration at the CT, resulting in an accelerated crack propagation rate. This work provides a reasonable explanation for the microscopic mechanism of hydrogen induced fracture failure of metal materials. © Allerton Press, Inc. 2023. ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023. |
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Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions |
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Zhang, Jiding Sun, Ke Liu, Wenhao Jiang, Xiaoyu |
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10.3103/S0025654423601465 |
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2024-07-04T02:26:14.597Z |
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ISSN 0025-6544, Mechanics of Solids, 2023, Vol. 58, No. 6, pp. 2382–2398. © Allerton Press, Inc., 2023.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract In view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on the method of continuous distribution dislocation from the perspective of fracture mechanics. The effects of hydrogen on mechanical parameters such as surface energy, lattice friction, shear modulus, and atomic bonding force are analyzed to investigate the effects of crack tip (CT) dislocation emission on crack propagation rate, CT plastic zone and dislocation free zone size, as well as the initiation of nanocracks at grain boundaries (GBs) and within grains under hydrogen conditions. 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