Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy
The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the sh...
Ausführliche Beschreibung
Autor*in: |
Jefferson Luiz Jeronimo [verfasserIn] Anael Preman Krelling [verfasserIn] Christian Pacheco [verfasserIn] Ivandro Bonetti [verfasserIn] Rodrigo da Silva [verfasserIn] Julio Cesar Giubilei Milan [verfasserIn] Cesar Edil da Costa [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Schlagwörter: |
Nickel alloys. boriding. microstructure. instrumented indentation. corrosion |
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Übergeordnetes Werk: |
In: Results in Engineering - Elsevier, 2019, 16(2022), Seite 100783- |
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Übergeordnetes Werk: |
volume:16 ; year:2022 ; pages:100783- |
Links: |
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DOI / URN: |
10.1016/j.rineng.2022.100783 |
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Katalog-ID: |
DOAJ013267078 |
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10.1016/j.rineng.2022.100783 doi (DE-627)DOAJ013267078 (DE-599)DOAJ01cba55fdea44d618bdf7b1219edaab2 DE-627 ger DE-627 rakwb eng Jefferson Luiz Jeronimo verfasserin aut Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. Nickel alloys. boriding. microstructure. instrumented indentation. corrosion Technology T Anael Preman Krelling verfasserin aut Christian Pacheco verfasserin aut Ivandro Bonetti verfasserin aut Rodrigo da Silva verfasserin aut Julio Cesar Giubilei Milan verfasserin aut Cesar Edil da Costa verfasserin aut In Results in Engineering Elsevier, 2019 16(2022), Seite 100783- (DE-627)1665782641 25901230 nnns volume:16 year:2022 pages:100783- https://doi.org/10.1016/j.rineng.2022.100783 kostenfrei https://doaj.org/article/01cba55fdea44d618bdf7b1219edaab2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2590123022004534 kostenfrei https://doaj.org/toc/2590-1230 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 16 2022 100783- |
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10.1016/j.rineng.2022.100783 doi (DE-627)DOAJ013267078 (DE-599)DOAJ01cba55fdea44d618bdf7b1219edaab2 DE-627 ger DE-627 rakwb eng Jefferson Luiz Jeronimo verfasserin aut Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. Nickel alloys. boriding. microstructure. instrumented indentation. corrosion Technology T Anael Preman Krelling verfasserin aut Christian Pacheco verfasserin aut Ivandro Bonetti verfasserin aut Rodrigo da Silva verfasserin aut Julio Cesar Giubilei Milan verfasserin aut Cesar Edil da Costa verfasserin aut In Results in Engineering Elsevier, 2019 16(2022), Seite 100783- (DE-627)1665782641 25901230 nnns volume:16 year:2022 pages:100783- https://doi.org/10.1016/j.rineng.2022.100783 kostenfrei https://doaj.org/article/01cba55fdea44d618bdf7b1219edaab2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2590123022004534 kostenfrei https://doaj.org/toc/2590-1230 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 16 2022 100783- |
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10.1016/j.rineng.2022.100783 doi (DE-627)DOAJ013267078 (DE-599)DOAJ01cba55fdea44d618bdf7b1219edaab2 DE-627 ger DE-627 rakwb eng Jefferson Luiz Jeronimo verfasserin aut Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. Nickel alloys. boriding. microstructure. instrumented indentation. corrosion Technology T Anael Preman Krelling verfasserin aut Christian Pacheco verfasserin aut Ivandro Bonetti verfasserin aut Rodrigo da Silva verfasserin aut Julio Cesar Giubilei Milan verfasserin aut Cesar Edil da Costa verfasserin aut In Results in Engineering Elsevier, 2019 16(2022), Seite 100783- (DE-627)1665782641 25901230 nnns volume:16 year:2022 pages:100783- https://doi.org/10.1016/j.rineng.2022.100783 kostenfrei https://doaj.org/article/01cba55fdea44d618bdf7b1219edaab2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2590123022004534 kostenfrei https://doaj.org/toc/2590-1230 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 16 2022 100783- |
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10.1016/j.rineng.2022.100783 doi (DE-627)DOAJ013267078 (DE-599)DOAJ01cba55fdea44d618bdf7b1219edaab2 DE-627 ger DE-627 rakwb eng Jefferson Luiz Jeronimo verfasserin aut Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. Nickel alloys. boriding. microstructure. instrumented indentation. corrosion Technology T Anael Preman Krelling verfasserin aut Christian Pacheco verfasserin aut Ivandro Bonetti verfasserin aut Rodrigo da Silva verfasserin aut Julio Cesar Giubilei Milan verfasserin aut Cesar Edil da Costa verfasserin aut In Results in Engineering Elsevier, 2019 16(2022), Seite 100783- (DE-627)1665782641 25901230 nnns volume:16 year:2022 pages:100783- https://doi.org/10.1016/j.rineng.2022.100783 kostenfrei https://doaj.org/article/01cba55fdea44d618bdf7b1219edaab2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2590123022004534 kostenfrei https://doaj.org/toc/2590-1230 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 16 2022 100783- |
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10.1016/j.rineng.2022.100783 doi (DE-627)DOAJ013267078 (DE-599)DOAJ01cba55fdea44d618bdf7b1219edaab2 DE-627 ger DE-627 rakwb eng Jefferson Luiz Jeronimo verfasserin aut Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. Nickel alloys. boriding. microstructure. instrumented indentation. corrosion Technology T Anael Preman Krelling verfasserin aut Christian Pacheco verfasserin aut Ivandro Bonetti verfasserin aut Rodrigo da Silva verfasserin aut Julio Cesar Giubilei Milan verfasserin aut Cesar Edil da Costa verfasserin aut In Results in Engineering Elsevier, 2019 16(2022), Seite 100783- (DE-627)1665782641 25901230 nnns volume:16 year:2022 pages:100783- https://doi.org/10.1016/j.rineng.2022.100783 kostenfrei https://doaj.org/article/01cba55fdea44d618bdf7b1219edaab2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2590123022004534 kostenfrei https://doaj.org/toc/2590-1230 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 16 2022 100783- |
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Jefferson Luiz Jeronimo |
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Jefferson Luiz Jeronimo misc Nickel alloys. boriding. microstructure. instrumented indentation. corrosion misc Technology misc T Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy |
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Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy Nickel alloys. boriding. microstructure. instrumented indentation. corrosion |
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microstrutural, mechanical characterizations and corrosion behaviour of borides layers on inconel 718 superalloy |
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Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy |
abstract |
The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. |
abstractGer |
The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. |
abstract_unstemmed |
The exposure of mechanical components to bad weather and conditions, such as corrosive environments, is recurrent, making the use of nickel alloys in various market segments favorable due to their high corrosion resistance as compared to other types of materials. However, the need to increase the shelf-life and performance of these materials turns surface treatments into an important alternative to optimize surface properties, which makes it possible to use alloys in new applications. In this scenario, the boriding process is a valuable treatment option, since it allows for the improvement of surface properties in ferrous and non-ferrous materials. In the present study, the boriding thermochemical treatment was performed on the Inconel 718 alloy, under different temperature and time conditions. The roughness, microstructure and mechanical properties of the alloy were evaluated by confocal microscopy, scanning electron microscopy, X-ray diffraction and instrumented indentation, respectively. The results showed that, as the temperature or time parameters increase, there is increased layer thickness and hardness, as well as evidence of formation of CrB, FeB and Ni3B + Ni2B + Ni4B3 in the layer. The assessment of the behavior of the treated samples subjected to corrosion testing was performed by using the potentiodynamic polarization technique, revealing less corrosion potential and no passivation in the boride layers. |
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Microstrutural, mechanical characterizations and corrosion behaviour of borides layers on Inconel 718 superalloy |
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