Volume 29 Issue 5
Oct.  2014
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SA Shi-yong, WU Duo-li, ZHANG Hong-yu, WEI Hua, ZHENG Qi, JIN Tao, SUN Xiao-feng. Hot Corrosion Behaviors of Protective Coatings on M38 Super Alloy[J]. Development and Application of Materials, 2014, 29(5): 57-61. DOI: 10.19515/j.cnki.1003-1545.2014.05.011
Citation: SA Shi-yong, WU Duo-li, ZHANG Hong-yu, WEI Hua, ZHENG Qi, JIN Tao, SUN Xiao-feng. Hot Corrosion Behaviors of Protective Coatings on M38 Super Alloy[J]. Development and Application of Materials, 2014, 29(5): 57-61. DOI: 10.19515/j.cnki.1003-1545.2014.05.011
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Hot Corrosion Behaviors of Protective Coatings on M38 Super Alloy

  • 1. Navy Military Affairs Representation Stationed at Anshan Iron and Steel Group Corporation, Anshan 114001, China;

  • 2. Chinese Academy of Sciences Institute of Metal Research, Shenyang 110016, China

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  • Received Date: June 04, 2014
  • Available Online: March 20, 2024
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    • Abstract
  • In order to study hot corrosion behaviors of the high temperature protective coatings on M38 super-alloy, four modified aluminide coatings (NiCr-CrAl coating、Al-Si coating、Al-Ti coating and Co-Al coating) were prepared on the surface of the M38super-alloy. The microstructures and the hot corrosion behaviors in the salt of 25 wt.% NaCl + 75 wt.% Na2SO4 at 900℃were investigated.Results showed that four modified aluminium coatings can increase the corrosion resistance of the M38 superalloy. Furthermore, the Al-Ti coating provided the best protection to the alloy in this kind of mixed salt.
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