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

页数：15

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