Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets
Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different b...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Cao, Yujie [verfasserIn] Zhang, Pengjie [verfasserIn] Sun, Wei [verfasserIn] Zhang, Weifeng [verfasserIn] Wei, Hanzhong [verfasserIn] Wang, Jiquan [verfasserIn] Li, Bingshan [verfasserIn] Yi, Xiaofei [verfasserIn] Xu, Guangqing [verfasserIn] Wu, Yucheng [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of rare earths - Beijing : Elsevier, 2006, 39, Seite 703-711 |
|---|---|
| Übergeordnetes Werk: |
volume:39 ; pages:703-711 |
| DOI / URN: |
10.1016/j.jre.2020.07.025 |
|---|
| Katalog-ID: |
ELV005951968 |
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| 245 | 1 | 0 | |a Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets |
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| 520 | |a Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. | ||
| 650 | 4 | |a Physical vapor deposition | |
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| 650 | 4 | |a Al coating | |
| 650 | 4 | |a Sintered NdFeB | |
| 650 | 4 | |a Corrosion behavior | |
| 650 | 4 | |a Rare earths | |
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10.1016/j.jre.2020.07.025 doi (DE-627)ELV005951968 (ELSEVIER)S1002-0721(20)30343-4 DE-627 ger DE-627 rda eng 610 DE-600 35.45 bkl Cao, Yujie verfasserin aut Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. Physical vapor deposition Plasma assistance Al coating Sintered NdFeB Corrosion behavior Rare earths Zhang, Pengjie verfasserin aut Sun, Wei verfasserin (orcid)0000-0003-1268-8175 aut Zhang, Weifeng verfasserin aut Wei, Hanzhong verfasserin aut Wang, Jiquan verfasserin aut Li, Bingshan verfasserin aut Yi, Xiaofei verfasserin aut Xu, Guangqing verfasserin aut Wu, Yucheng verfasserin aut Enthalten in Journal of rare earths Beijing : Elsevier, 2006 39, Seite 703-711 Online-Ressource (DE-627)513219870 (DE-600)2238797-3 (DE-576)284926779 2509-4963 nnns volume:39 pages:703-711 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.45 Übergangselemente und ihre Verbindungen AR 39 703-711 |
| spelling |
10.1016/j.jre.2020.07.025 doi (DE-627)ELV005951968 (ELSEVIER)S1002-0721(20)30343-4 DE-627 ger DE-627 rda eng 610 DE-600 35.45 bkl Cao, Yujie verfasserin aut Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. Physical vapor deposition Plasma assistance Al coating Sintered NdFeB Corrosion behavior Rare earths Zhang, Pengjie verfasserin aut Sun, Wei verfasserin (orcid)0000-0003-1268-8175 aut Zhang, Weifeng verfasserin aut Wei, Hanzhong verfasserin aut Wang, Jiquan verfasserin aut Li, Bingshan verfasserin aut Yi, Xiaofei verfasserin aut Xu, Guangqing verfasserin aut Wu, Yucheng verfasserin aut Enthalten in Journal of rare earths Beijing : Elsevier, 2006 39, Seite 703-711 Online-Ressource (DE-627)513219870 (DE-600)2238797-3 (DE-576)284926779 2509-4963 nnns volume:39 pages:703-711 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.45 Übergangselemente und ihre Verbindungen AR 39 703-711 |
| allfields_unstemmed |
10.1016/j.jre.2020.07.025 doi (DE-627)ELV005951968 (ELSEVIER)S1002-0721(20)30343-4 DE-627 ger DE-627 rda eng 610 DE-600 35.45 bkl Cao, Yujie verfasserin aut Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. Physical vapor deposition Plasma assistance Al coating Sintered NdFeB Corrosion behavior Rare earths Zhang, Pengjie verfasserin aut Sun, Wei verfasserin (orcid)0000-0003-1268-8175 aut Zhang, Weifeng verfasserin aut Wei, Hanzhong verfasserin aut Wang, Jiquan verfasserin aut Li, Bingshan verfasserin aut Yi, Xiaofei verfasserin aut Xu, Guangqing verfasserin aut Wu, Yucheng verfasserin aut Enthalten in Journal of rare earths Beijing : Elsevier, 2006 39, Seite 703-711 Online-Ressource (DE-627)513219870 (DE-600)2238797-3 (DE-576)284926779 2509-4963 nnns volume:39 pages:703-711 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.45 Übergangselemente und ihre Verbindungen AR 39 703-711 |
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10.1016/j.jre.2020.07.025 doi (DE-627)ELV005951968 (ELSEVIER)S1002-0721(20)30343-4 DE-627 ger DE-627 rda eng 610 DE-600 35.45 bkl Cao, Yujie verfasserin aut Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. Physical vapor deposition Plasma assistance Al coating Sintered NdFeB Corrosion behavior Rare earths Zhang, Pengjie verfasserin aut Sun, Wei verfasserin (orcid)0000-0003-1268-8175 aut Zhang, Weifeng verfasserin aut Wei, Hanzhong verfasserin aut Wang, Jiquan verfasserin aut Li, Bingshan verfasserin aut Yi, Xiaofei verfasserin aut Xu, Guangqing verfasserin aut Wu, Yucheng verfasserin aut Enthalten in Journal of rare earths Beijing : Elsevier, 2006 39, Seite 703-711 Online-Ressource (DE-627)513219870 (DE-600)2238797-3 (DE-576)284926779 2509-4963 nnns volume:39 pages:703-711 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.45 Übergangselemente und ihre Verbindungen AR 39 703-711 |
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10.1016/j.jre.2020.07.025 doi (DE-627)ELV005951968 (ELSEVIER)S1002-0721(20)30343-4 DE-627 ger DE-627 rda eng 610 DE-600 35.45 bkl Cao, Yujie verfasserin aut Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. Physical vapor deposition Plasma assistance Al coating Sintered NdFeB Corrosion behavior Rare earths Zhang, Pengjie verfasserin aut Sun, Wei verfasserin (orcid)0000-0003-1268-8175 aut Zhang, Weifeng verfasserin aut Wei, Hanzhong verfasserin aut Wang, Jiquan verfasserin aut Li, Bingshan verfasserin aut Yi, Xiaofei verfasserin aut Xu, Guangqing verfasserin aut Wu, Yucheng verfasserin aut Enthalten in Journal of rare earths Beijing : Elsevier, 2006 39, Seite 703-711 Online-Ressource (DE-627)513219870 (DE-600)2238797-3 (DE-576)284926779 2509-4963 nnns volume:39 pages:703-711 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 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_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.45 Übergangselemente und ihre Verbindungen AR 39 703-711 |
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Cao, Yujie @@aut@@ Zhang, Pengjie @@aut@@ Sun, Wei @@aut@@ Zhang, Weifeng @@aut@@ Wei, Hanzhong @@aut@@ Wang, Jiquan @@aut@@ Li, Bingshan @@aut@@ Yi, Xiaofei @@aut@@ Xu, Guangqing @@aut@@ Wu, Yucheng @@aut@@ |
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Cao, Yujie |
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Cao, Yujie ddc 610 bkl 35.45 misc Physical vapor deposition misc Plasma assistance misc Al coating misc Sintered NdFeB misc Corrosion behavior misc Rare earths Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets |
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610 DE-600 35.45 bkl Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets Physical vapor deposition Plasma assistance Al coating Sintered NdFeB Corrosion behavior Rare earths |
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ddc 610 bkl 35.45 misc Physical vapor deposition misc Plasma assistance misc Al coating misc Sintered NdFeB misc Corrosion behavior misc Rare earths |
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Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets |
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Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets |
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Cao, Yujie Zhang, Pengjie Sun, Wei Zhang, Weifeng Wei, Hanzhong Wang, Jiquan Li, Bingshan Yi, Xiaofei Xu, Guangqing Wu, Yucheng |
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effects of bias voltage on coating structures and anticorrosion performances of pa-pvd al coated ndfeb magnets |
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Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets |
| abstract |
Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. |
| abstractGer |
Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. |
| abstract_unstemmed |
Al coated NdFeB magnets were prepared by plasma-assisted-physical-vapor-deposition (PA-PVD) method for enhancing the corrosion resistance. Morphologies and structures were characterized by an X-ray diffractometer and a scanning electron microscope. Corrosion behaviors of the samples with different bias voltages were studied by electrochemical methods and neutral salt spray test, respectively. The bias voltage during the deposition process was optimized according to the coating structures and corrosion resistances. The density and flatness of Al coating increase with increasing the bias voltage, and at the same time the thickness decreases. The coating density and thickness turn to be stable when bias voltage is 1800 V. Also, the corrosion behaviors of PA-PVD Al coatings in different media, such as NaOH, HNO3 and NaCl solutions, were studied. The self-corrosion potentials (E corr) of PA-PVD Al coatings almost keep constant in NaOH and HNO3 solutions with different concentrations. However, the self-corrosion current densities (J corr) decrease with the increasing concentrations. E corr shifts to negative potential and J corr decreases gradually when increasing the concentration of NaCl solution. The corrosion mechanisms of Al coatings are discussed based on the corrosion behaviors in different media. |
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Effects of bias voltage on coating structures and anticorrosion performances of PA-PVD Al coated NdFeB magnets |
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