Investigations of Local Corrosion Behavior of Plasma-Sprayed FeCr Nanocomposite Coating by SECM

被引：6
|
作者：
Shi, Xi [1 ]
Shu, Mingyong [1 ]
Zhong, Qingdong [1 ]
Zhang, Junliang [1 ]
Zhou, Qiongyu [2 ]
Quoc Binh Bui [3 ]
机构：
[1] Shanghai Univ, State Key Lab Adv Special Steels, Shanghai, Peoples R China
[2] Jiangxi Univ Sci & Technol, Sch Mat Sci & Engn, 86 Hong Qi Rd, Ganzhou, Peoples R China
[3] Vietnam Maritime Univ, Haiphong, Vietnam
来源：
JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2016年 / 25卷 / 03期
关键词：
corrosion protection; heat treatment; nanocomposite; plasma spray forming; protective coatings; SCANNING ELECTROCHEMICAL MICROSCOPY; IN-SITU; NAS BATTERIES; INNER SURFACE; STEEL; ALLOYS;
D O I：
10.1007/s11666-016-0377-9
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
FeCr alloy coating can be sprayed on low-carbon steel to improve the corrosion resistance because of FeCr alloy's high anti-corrosion capacity. In this paper, Fe microparticles/Cr nanoparticles coating (NFC) and FeCr microparticles coating (MFC) were prepared by atmospheric plasma spraying and NFC was heat-treated under hydrogen atmosphere at 800 degrees C (HNFC). EDS mapping showed no penetration of Ni in MFC and NFC while penetration of Ni occurred in HNFC. X-ray diffraction results indicated the form of the NiCrFe (bcc) solid solution in HNFC. SECM testing in 3.5 (wt.%) NaCl revealed that the anti-corrosion capacity of NFC improved compared with MFC, while HNFC improved further.
引用
收藏
页码：595 / 604
页数：10
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