The Experts below are selected from a list of 309 Experts worldwide ranked by ideXlab platform
Wirley Gonçalves Assunção - One of the best experts on this subject based on the ideXlab platform.
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Corrosion Kinetics and topography analysis of ti 6al 4v alloy subjected to different mouthwash solutions
Materials Science and Engineering: C, 2014Co-Authors: Leonardo Perez Faverani, Valentim Adelino Ricardo Barão, Maria Flávia Araújo Pires, Judy Chia Chun Yuan, Cortino Sukotjo, Mathew T. Mathew, Wirley Gonçalves AssunçãoAbstract:Abstract This study evaluated the Corrosion Kinetics and surface topography of Ti–6Al–4V alloy exposed to mouthwash solutions (0.12% chlorhexidine digluconate, 0.053% cetylpyridinium chloride and 3% hydrogen peroxide) compared to artificial saliva (pH 6.5) (control). Twenty Ti–6Al–4V alloy disks were used and divided into 4 groups (n = 5). For the electrochemical assay, standard tests as open circuit potential and electrochemical impedance spectroscopy (EIS) were applied at baseline, 7 and 14 days after immersion in the solutions. Scanning electron microscopy, atomic force microscopy and profilometry (average roughness — Ra) were used for surface characterization. Total weight loss of disks was calculated. Data were analyzed by ANOVA and Bonferroni's test (α = 0.05). Hydrogen peroxide generated the lowest polarization resistance (Rp) values for all periods (P
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Corrosion Kinetics and topography analysis of Ti–6Al–4V alloy subjected to different mouthwash solutions
Materials science & engineering. C Materials for biological applications, 2014Co-Authors: Leonardo Perez Faverani, Valentim Adelino Ricardo Barão, Maria Flávia Araújo Pires, Judy Chia Chun Yuan, Cortino Sukotjo, Mathew T. Mathew, Wirley Gonçalves AssunçãoAbstract:Abstract This study evaluated the Corrosion Kinetics and surface topography of Ti–6Al–4V alloy exposed to mouthwash solutions (0.12% chlorhexidine digluconate, 0.053% cetylpyridinium chloride and 3% hydrogen peroxide) compared to artificial saliva (pH 6.5) (control). Twenty Ti–6Al–4V alloy disks were used and divided into 4 groups (n = 5). For the electrochemical assay, standard tests as open circuit potential and electrochemical impedance spectroscopy (EIS) were applied at baseline, 7 and 14 days after immersion in the solutions. Scanning electron microscopy, atomic force microscopy and profilometry (average roughness — Ra) were used for surface characterization. Total weight loss of disks was calculated. Data were analyzed by ANOVA and Bonferroni's test (α = 0.05). Hydrogen peroxide generated the lowest polarization resistance (Rp) values for all periods (P
Yu Zhou - One of the best experts on this subject based on the ideXlab platform.
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Corrosion Kinetics and mechanisms of zrc1 x ceramics in high temperature water vapor
RSC Advances, 2018Co-Authors: Yujin Wang, Boxin Wei, Dong Wang, Haibin Zhang, Shuming Peng, Guming Song, Yu ZhouAbstract:The Corrosion Kinetics and mechanisms of ZrC1−x ceramics in water vapor between 800 and 1200 °C were investigated. The results showed that there was only cubic ZrO2 phase in the Corrosion layer when corroded at 800 °C, while a scale layer consisted of a mixture of cubic and monoclinic ZrO2 phases when corroded at 1000 °C and 1200 °C. A series of crystallographic relationships at the ZrC/c-ZrO2 interface were detected. The c-ZrO2 formed near the interface retained some crystallographic orientations of the initial ZrC before Corrosion, presenting an “inheritance in microstructure” between c-ZrO2 and ZrC. The Corrosion behavior mainly followed a parabolic relationship. The incremental rate of weight gain increased with increased Corrosion temperature and decreased C/Zr ratio and the carbon vacancy was passive to the decrease of Corrosion rate. The main Corrosion controlling mechanism changed from phase boundary reactions to surface diffusion and then to grain boundary diffusion with increased temperature.
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Corrosion Kinetics and mechanisms of ZrC1−x ceramics in high temperature water vapor
RSC Advances, 2018Co-Authors: Boxin Wei, Yujin Wang, Dong Wang, Haibin Zhang, Shuming Peng, Guming Song, Yu ZhouAbstract:The Corrosion Kinetics and mechanisms of ZrC1−x ceramics in water vapor between 800 and 1200 °C were investigated. The results showed that there was only cubic ZrO2 phase in the Corrosion layer when corroded at 800 °C, while a scale layer consisted of a mixture of cubic and monoclinic ZrO2 phases when corroded at 1000 °C and 1200 °C. A series of crystallographic relationships at the ZrC/c-ZrO2 interface were detected. The c-ZrO2 formed near the interface retained some crystallographic orientations of the initial ZrC before Corrosion, presenting an “inheritance in microstructure” between c-ZrO2 and ZrC. The Corrosion behavior mainly followed a parabolic relationship. The incremental rate of weight gain increased with increased Corrosion temperature and decreased C/Zr ratio and the carbon vacancy was passive to the decrease of Corrosion rate. The main Corrosion controlling mechanism changed from phase boundary reactions to surface diffusion and then to grain boundary diffusion with increased temperature.
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Corrosion Kinetics and Corrosion mechanisms of BN-ZrO2-SiC composites in molten steel
Corrosion Science, 2014Co-Authors: Lei Chen, Mianyi Yao, Yujin Wang, Jia-hu Ouyang, Yu Zhou, Yingkui GuoAbstract:Corrosion Kinetics and Corrosion mechanisms of BN-ZrO2-SiC composites with different ZrO2 contents of 10-40vol.% have been investigated in molten steel. The chemical reactions between dissolved oxygen in molten steel and non-oxide components of BN and SiC are key factors of Corrosion process. High ZrO2 content is beneficial to the formation of a ZrO2-rich Corrosion layer, which restrains molten steel from further penetrating into ceramic matrix. Corrosion kinetic obeys a nearly parabolic law, and the Corrosion rate is retarded by adding ZrO2. Therefore, the addition of ZrO2 is beneficial to the enhancement of Corrosion resistance against molten steel.
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Corrosion Kinetics and Corrosion mechanisms of BN–ZrO2–SiC composites in molten steel
Corrosion Science, 2014Co-Authors: Lei Chen, Mianyi Yao, Yujin Wang, Jia-hu Ouyang, Yu Zhou, Guo YingkuiAbstract:Abstract Corrosion Kinetics and Corrosion mechanisms of BN–ZrO 2 –SiC composites with different ZrO 2 contents of 10–40 vol.% have been investigated in molten steel. The chemical reactions between dissolved oxygen in molten steel and non-oxide components of BN and SiC are key factors of Corrosion process. High ZrO 2 content is beneficial to the formation of a ZrO 2 -rich Corrosion layer, which restrains molten steel from further penetrating into ceramic matrix. Corrosion kinetic obeys a nearly parabolic law, and the Corrosion rate is retarded by adding ZrO 2 . Therefore, the addition of ZrO 2 is beneficial to the enhancement of Corrosion resistance against molten steel.
Leonardo Perez Faverani - One of the best experts on this subject based on the ideXlab platform.
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Corrosion Kinetics and topography analysis of ti 6al 4v alloy subjected to different mouthwash solutions
Materials Science and Engineering: C, 2014Co-Authors: Leonardo Perez Faverani, Valentim Adelino Ricardo Barão, Maria Flávia Araújo Pires, Judy Chia Chun Yuan, Cortino Sukotjo, Mathew T. Mathew, Wirley Gonçalves AssunçãoAbstract:Abstract This study evaluated the Corrosion Kinetics and surface topography of Ti–6Al–4V alloy exposed to mouthwash solutions (0.12% chlorhexidine digluconate, 0.053% cetylpyridinium chloride and 3% hydrogen peroxide) compared to artificial saliva (pH 6.5) (control). Twenty Ti–6Al–4V alloy disks were used and divided into 4 groups (n = 5). For the electrochemical assay, standard tests as open circuit potential and electrochemical impedance spectroscopy (EIS) were applied at baseline, 7 and 14 days after immersion in the solutions. Scanning electron microscopy, atomic force microscopy and profilometry (average roughness — Ra) were used for surface characterization. Total weight loss of disks was calculated. Data were analyzed by ANOVA and Bonferroni's test (α = 0.05). Hydrogen peroxide generated the lowest polarization resistance (Rp) values for all periods (P
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Corrosion Kinetics and topography analysis of Ti–6Al–4V alloy subjected to different mouthwash solutions
Materials science & engineering. C Materials for biological applications, 2014Co-Authors: Leonardo Perez Faverani, Valentim Adelino Ricardo Barão, Maria Flávia Araújo Pires, Judy Chia Chun Yuan, Cortino Sukotjo, Mathew T. Mathew, Wirley Gonçalves AssunçãoAbstract:Abstract This study evaluated the Corrosion Kinetics and surface topography of Ti–6Al–4V alloy exposed to mouthwash solutions (0.12% chlorhexidine digluconate, 0.053% cetylpyridinium chloride and 3% hydrogen peroxide) compared to artificial saliva (pH 6.5) (control). Twenty Ti–6Al–4V alloy disks were used and divided into 4 groups (n = 5). For the electrochemical assay, standard tests as open circuit potential and electrochemical impedance spectroscopy (EIS) were applied at baseline, 7 and 14 days after immersion in the solutions. Scanning electron microscopy, atomic force microscopy and profilometry (average roughness — Ra) were used for surface characterization. Total weight loss of disks was calculated. Data were analyzed by ANOVA and Bonferroni's test (α = 0.05). Hydrogen peroxide generated the lowest polarization resistance (Rp) values for all periods (P
Yujin Wang - One of the best experts on this subject based on the ideXlab platform.
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Corrosion Kinetics and mechanisms of zrc1 x ceramics in high temperature water vapor
RSC Advances, 2018Co-Authors: Yujin Wang, Boxin Wei, Dong Wang, Haibin Zhang, Shuming Peng, Guming Song, Yu ZhouAbstract:The Corrosion Kinetics and mechanisms of ZrC1−x ceramics in water vapor between 800 and 1200 °C were investigated. The results showed that there was only cubic ZrO2 phase in the Corrosion layer when corroded at 800 °C, while a scale layer consisted of a mixture of cubic and monoclinic ZrO2 phases when corroded at 1000 °C and 1200 °C. A series of crystallographic relationships at the ZrC/c-ZrO2 interface were detected. The c-ZrO2 formed near the interface retained some crystallographic orientations of the initial ZrC before Corrosion, presenting an “inheritance in microstructure” between c-ZrO2 and ZrC. The Corrosion behavior mainly followed a parabolic relationship. The incremental rate of weight gain increased with increased Corrosion temperature and decreased C/Zr ratio and the carbon vacancy was passive to the decrease of Corrosion rate. The main Corrosion controlling mechanism changed from phase boundary reactions to surface diffusion and then to grain boundary diffusion with increased temperature.
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Corrosion Kinetics and mechanisms of ZrC1−x ceramics in high temperature water vapor
RSC Advances, 2018Co-Authors: Boxin Wei, Yujin Wang, Dong Wang, Haibin Zhang, Shuming Peng, Guming Song, Yu ZhouAbstract:The Corrosion Kinetics and mechanisms of ZrC1−x ceramics in water vapor between 800 and 1200 °C were investigated. The results showed that there was only cubic ZrO2 phase in the Corrosion layer when corroded at 800 °C, while a scale layer consisted of a mixture of cubic and monoclinic ZrO2 phases when corroded at 1000 °C and 1200 °C. A series of crystallographic relationships at the ZrC/c-ZrO2 interface were detected. The c-ZrO2 formed near the interface retained some crystallographic orientations of the initial ZrC before Corrosion, presenting an “inheritance in microstructure” between c-ZrO2 and ZrC. The Corrosion behavior mainly followed a parabolic relationship. The incremental rate of weight gain increased with increased Corrosion temperature and decreased C/Zr ratio and the carbon vacancy was passive to the decrease of Corrosion rate. The main Corrosion controlling mechanism changed from phase boundary reactions to surface diffusion and then to grain boundary diffusion with increased temperature.
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Corrosion Kinetics and Corrosion mechanisms of BN-ZrO2-SiC composites in molten steel
Corrosion Science, 2014Co-Authors: Lei Chen, Mianyi Yao, Yujin Wang, Jia-hu Ouyang, Yu Zhou, Yingkui GuoAbstract:Corrosion Kinetics and Corrosion mechanisms of BN-ZrO2-SiC composites with different ZrO2 contents of 10-40vol.% have been investigated in molten steel. The chemical reactions between dissolved oxygen in molten steel and non-oxide components of BN and SiC are key factors of Corrosion process. High ZrO2 content is beneficial to the formation of a ZrO2-rich Corrosion layer, which restrains molten steel from further penetrating into ceramic matrix. Corrosion kinetic obeys a nearly parabolic law, and the Corrosion rate is retarded by adding ZrO2. Therefore, the addition of ZrO2 is beneficial to the enhancement of Corrosion resistance against molten steel.
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Corrosion Kinetics and Corrosion mechanisms of BN–ZrO2–SiC composites in molten steel
Corrosion Science, 2014Co-Authors: Lei Chen, Mianyi Yao, Yujin Wang, Jia-hu Ouyang, Yu Zhou, Guo YingkuiAbstract:Abstract Corrosion Kinetics and Corrosion mechanisms of BN–ZrO 2 –SiC composites with different ZrO 2 contents of 10–40 vol.% have been investigated in molten steel. The chemical reactions between dissolved oxygen in molten steel and non-oxide components of BN and SiC are key factors of Corrosion process. High ZrO 2 content is beneficial to the formation of a ZrO 2 -rich Corrosion layer, which restrains molten steel from further penetrating into ceramic matrix. Corrosion kinetic obeys a nearly parabolic law, and the Corrosion rate is retarded by adding ZrO 2 . Therefore, the addition of ZrO 2 is beneficial to the enhancement of Corrosion resistance against molten steel.
Mathew T. Mathew - One of the best experts on this subject based on the ideXlab platform.
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Corrosion Kinetics and topography analysis of ti 6al 4v alloy subjected to different mouthwash solutions
Materials Science and Engineering: C, 2014Co-Authors: Leonardo Perez Faverani, Valentim Adelino Ricardo Barão, Maria Flávia Araújo Pires, Judy Chia Chun Yuan, Cortino Sukotjo, Mathew T. Mathew, Wirley Gonçalves AssunçãoAbstract:Abstract This study evaluated the Corrosion Kinetics and surface topography of Ti–6Al–4V alloy exposed to mouthwash solutions (0.12% chlorhexidine digluconate, 0.053% cetylpyridinium chloride and 3% hydrogen peroxide) compared to artificial saliva (pH 6.5) (control). Twenty Ti–6Al–4V alloy disks were used and divided into 4 groups (n = 5). For the electrochemical assay, standard tests as open circuit potential and electrochemical impedance spectroscopy (EIS) were applied at baseline, 7 and 14 days after immersion in the solutions. Scanning electron microscopy, atomic force microscopy and profilometry (average roughness — Ra) were used for surface characterization. Total weight loss of disks was calculated. Data were analyzed by ANOVA and Bonferroni's test (α = 0.05). Hydrogen peroxide generated the lowest polarization resistance (Rp) values for all periods (P
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Corrosion Kinetics and topography analysis of Ti–6Al–4V alloy subjected to different mouthwash solutions
Materials science & engineering. C Materials for biological applications, 2014Co-Authors: Leonardo Perez Faverani, Valentim Adelino Ricardo Barão, Maria Flávia Araújo Pires, Judy Chia Chun Yuan, Cortino Sukotjo, Mathew T. Mathew, Wirley Gonçalves AssunçãoAbstract:Abstract This study evaluated the Corrosion Kinetics and surface topography of Ti–6Al–4V alloy exposed to mouthwash solutions (0.12% chlorhexidine digluconate, 0.053% cetylpyridinium chloride and 3% hydrogen peroxide) compared to artificial saliva (pH 6.5) (control). Twenty Ti–6Al–4V alloy disks were used and divided into 4 groups (n = 5). For the electrochemical assay, standard tests as open circuit potential and electrochemical impedance spectroscopy (EIS) were applied at baseline, 7 and 14 days after immersion in the solutions. Scanning electron microscopy, atomic force microscopy and profilometry (average roughness — Ra) were used for surface characterization. Total weight loss of disks was calculated. Data were analyzed by ANOVA and Bonferroni's test (α = 0.05). Hydrogen peroxide generated the lowest polarization resistance (Rp) values for all periods (P
