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

页码：595 / 604

页数：10

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