Improved Oxidation and Hot Corrosion Resistance of 1Cr11Ni2W2MoV Stainless Steel at 650 °C by a Novel Glass-Ceramic Coating

被引：6
|
作者：
Chen, Ken [1 ]
Lin, Jiewei [1 ]
Li, Wenfang [1 ]
Zhu, Wen [1 ]
Li, Kang [1 ]
Yi, Aihua [1 ]
Hu, Shaodong [1 ]
Chen, Minghui [2 ]
Wang, Fuhui [2 ]
机构：
[1] Dongguan Univ Technol, Sch Mat Sci & Engn, 1 Daxue Rd, Dongguan 523808, Peoples R China
[2] Northeastern Univ, Shenyang Natl Lab Mat Sci, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
来源：
CRYSTALS | 2021年 / 11卷 / 10期
基金：
中国国家自然科学基金;
关键词：
glass-ceramics coating; martensitic stainless steel; hot corrosion; oxidation; INITIAL OXIDATION; SELF-DIFFUSION; BEHAVIOR; NACL; CRYSTALLIZATION; SUPERALLOY; KINETICS; ALLOY;
D O I：
10.3390/cryst11101213
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A novel glass-ceramic coating was applied onto the 1Cr11Ni2W2MoV stainless steel. The oxidation and corrosion behaviors of coated and uncoated steels were comparatively investigated in air and in the presence of NaCl + Na2SO4 eutectic deposits at 650 & DEG;C, respectively. Protective scales formed on the surface of stainless steel prevented the severe oxidation of the alloy. Catastrophic hot corrosion occurred on the steel when a salt film was attached, producing loose iron oxide layers and internal corrosion zone. The glass-ceramic coating acted as a barrier that effectively hindered the invasion of corrosive species during the oxidation and hot corrosion tests.
引用
收藏
页数：15
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