Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C
The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance,...
Ausführliche Beschreibung
Autor*in: |
Haiyong Zou [verfasserIn] Bin Yin [verfasserIn] Tongyun Hu [verfasserIn] Peng Deng [verfasserIn] Jie Mao [verfasserIn] Jie Cai [verfasserIn] Yinqun Hua [verfasserIn] Xiaofeng Zhang [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2024 |
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Schlagwörter: |
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Übergeordnetes Werk: |
In: Journal of Materials Research and Technology - Elsevier, 2015, 29(2024), Seite 2227-2238 |
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Übergeordnetes Werk: |
volume:29 ; year:2024 ; pages:2227-2238 |
Links: |
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DOI / URN: |
10.1016/j.jmrt.2024.01.290 |
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Katalog-ID: |
DOAJ094853282 |
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520 | |a The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. | ||
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650 | 4 | |a Oxidation resistance | |
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653 | 0 | |a Mining engineering. Metallurgy | |
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10.1016/j.jmrt.2024.01.290 doi (DE-627)DOAJ094853282 (DE-599)DOAJd3847961c8c74ba7b6be8376175f967e DE-627 ger DE-627 rakwb eng TN1-997 Haiyong Zou verfasserin aut Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. β-(Ni Pt)Al coating Pt/Al ratio Oxidation resistance Coating rumpling TCP precipitation Mining engineering. Metallurgy Bin Yin verfasserin aut Tongyun Hu verfasserin aut Peng Deng verfasserin aut Jie Mao verfasserin aut Jie Cai verfasserin aut Yinqun Hua verfasserin aut Xiaofeng Zhang verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 29(2024), Seite 2227-2238 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:29 year:2024 pages:2227-2238 https://doi.org/10.1016/j.jmrt.2024.01.290 kostenfrei https://doaj.org/article/d3847961c8c74ba7b6be8376175f967e kostenfrei http://www.sciencedirect.com/science/article/pii/S2238785424002904 kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 29 2024 2227-2238 |
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10.1016/j.jmrt.2024.01.290 doi (DE-627)DOAJ094853282 (DE-599)DOAJd3847961c8c74ba7b6be8376175f967e DE-627 ger DE-627 rakwb eng TN1-997 Haiyong Zou verfasserin aut Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. β-(Ni Pt)Al coating Pt/Al ratio Oxidation resistance Coating rumpling TCP precipitation Mining engineering. Metallurgy Bin Yin verfasserin aut Tongyun Hu verfasserin aut Peng Deng verfasserin aut Jie Mao verfasserin aut Jie Cai verfasserin aut Yinqun Hua verfasserin aut Xiaofeng Zhang verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 29(2024), Seite 2227-2238 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:29 year:2024 pages:2227-2238 https://doi.org/10.1016/j.jmrt.2024.01.290 kostenfrei https://doaj.org/article/d3847961c8c74ba7b6be8376175f967e kostenfrei http://www.sciencedirect.com/science/article/pii/S2238785424002904 kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 29 2024 2227-2238 |
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10.1016/j.jmrt.2024.01.290 doi (DE-627)DOAJ094853282 (DE-599)DOAJd3847961c8c74ba7b6be8376175f967e DE-627 ger DE-627 rakwb eng TN1-997 Haiyong Zou verfasserin aut Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. β-(Ni Pt)Al coating Pt/Al ratio Oxidation resistance Coating rumpling TCP precipitation Mining engineering. Metallurgy Bin Yin verfasserin aut Tongyun Hu verfasserin aut Peng Deng verfasserin aut Jie Mao verfasserin aut Jie Cai verfasserin aut Yinqun Hua verfasserin aut Xiaofeng Zhang verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 29(2024), Seite 2227-2238 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:29 year:2024 pages:2227-2238 https://doi.org/10.1016/j.jmrt.2024.01.290 kostenfrei https://doaj.org/article/d3847961c8c74ba7b6be8376175f967e kostenfrei http://www.sciencedirect.com/science/article/pii/S2238785424002904 kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 29 2024 2227-2238 |
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10.1016/j.jmrt.2024.01.290 doi (DE-627)DOAJ094853282 (DE-599)DOAJd3847961c8c74ba7b6be8376175f967e DE-627 ger DE-627 rakwb eng TN1-997 Haiyong Zou verfasserin aut Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. β-(Ni Pt)Al coating Pt/Al ratio Oxidation resistance Coating rumpling TCP precipitation Mining engineering. Metallurgy Bin Yin verfasserin aut Tongyun Hu verfasserin aut Peng Deng verfasserin aut Jie Mao verfasserin aut Jie Cai verfasserin aut Yinqun Hua verfasserin aut Xiaofeng Zhang verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 29(2024), Seite 2227-2238 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:29 year:2024 pages:2227-2238 https://doi.org/10.1016/j.jmrt.2024.01.290 kostenfrei https://doaj.org/article/d3847961c8c74ba7b6be8376175f967e kostenfrei http://www.sciencedirect.com/science/article/pii/S2238785424002904 kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 29 2024 2227-2238 |
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10.1016/j.jmrt.2024.01.290 doi (DE-627)DOAJ094853282 (DE-599)DOAJd3847961c8c74ba7b6be8376175f967e DE-627 ger DE-627 rakwb eng TN1-997 Haiyong Zou verfasserin aut Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. β-(Ni Pt)Al coating Pt/Al ratio Oxidation resistance Coating rumpling TCP precipitation Mining engineering. Metallurgy Bin Yin verfasserin aut Tongyun Hu verfasserin aut Peng Deng verfasserin aut Jie Mao verfasserin aut Jie Cai verfasserin aut Yinqun Hua verfasserin aut Xiaofeng Zhang verfasserin aut In Journal of Materials Research and Technology Elsevier, 2015 29(2024), Seite 2227-2238 (DE-627)768093163 (DE-600)2732709-7 22140697 nnns volume:29 year:2024 pages:2227-2238 https://doi.org/10.1016/j.jmrt.2024.01.290 kostenfrei https://doaj.org/article/d3847961c8c74ba7b6be8376175f967e kostenfrei http://www.sciencedirect.com/science/article/pii/S2238785424002904 kostenfrei https://doaj.org/toc/2238-7854 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 29 2024 2227-2238 |
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Haiyong Zou misc TN1-997 misc β-(Ni misc Pt)Al coating misc Pt/Al ratio misc Oxidation resistance misc Coating rumpling misc TCP precipitation misc Mining engineering. Metallurgy Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C |
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TN1-997 Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C β-(Ni Pt)Al coating Pt/Al ratio Oxidation resistance Coating rumpling TCP precipitation |
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Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C |
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Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C |
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impact of pt/al ratios on the cyclic oxidation and tcp precipitation of β-(ni, pt)al coated superalloy at 1150 °c |
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Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C |
abstract |
The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. |
abstractGer |
The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. |
abstract_unstemmed |
The cyclic oxidation and topologically close-packed (TCP) phase precipitation behaviors of β-(Ni, Pt)Al coatings with different Pt/Al ratios at 1150 °C were investigated. In the initial oxidation stage, coatings with different Pt/Al ratios exhibited comparable high-temperature oxidation resistance, likely due to a similar level of Al absorption. Subsequently, oxide spallation was common for coatings with lower Pt/Al ratios due to the formation of fine-grained alumina and a “sandwich” structure (a multilayer porous structure) oxide scale. For coatings with higher Pt/Al ratios, severe rumpling occurred, and numerous cracks formed in the oxide scale. However, sufficient Al concentration in the outer zone and the improved deformation tolerance of the oxide scale enhanced the spallation resistance of the thermally grown oxide (TGO). Furthermore, a higher Pt/Al ratio promotes uphill diffusion of Al, which reduces its migration into the substrate, thereby diminishing TCP precipitation. Coatings with the same Pt/Al ratios but higher Pt and Al contents further reduced TCP precipitation after oxidation. This improvement is attributed to the initially lower Al concentration in these coatings' secondary reaction zone (SRZ) and their greater thickness. |
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title_short |
Impact of Pt/Al ratios on the cyclic oxidation and TCP precipitation of β-(Ni, Pt)Al coated superalloy at 1150 °C |
url |
https://doi.org/10.1016/j.jmrt.2024.01.290 https://doaj.org/article/d3847961c8c74ba7b6be8376175f967e http://www.sciencedirect.com/science/article/pii/S2238785424002904 https://doaj.org/toc/2238-7854 |
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