Effect of flame remelting on microstructure and wear behaviour of plasma sprayed NiCrBSi-30%Mo coating

被引：29

作者：

Yang, X. -C. ^{[1
,2
]}

Li, G. -L. ^{[1
]}

Wang, H. -D. ^{[2
]}

Dong, T. -S. ^{[1
]}

Kang, J. -J. ^{[3
]}

机构：

[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China

[2] Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China

[3] China Univ Geosci, Sch Engn & Technol, Beijing 100083, Peoples R China

来源：

SURFACE ENGINEERING | 2018年 / 34卷 / 03期

关键词：

Plasma spraying; Flame remelting; Microstructure; Wear properties; NiCrBSi-Mo; NI-BASED COATINGS; MECHANICAL-PROPERTIES; PERFORMANCE; HARDNESS; GUN;

D O I：

10.1080/02670844.2016.1226053

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effects of flame remelting on the microstructural features, mechanical properties and dry sliding wear properties of supersonic plasma sprayed NiCrBSi-30 wt-% Mo coating were evaluated. The modified microstructure of the flame remelted coating, such as reduction in micro-defects, decrease in line roughness, laminar architecture elimination and material homogenisation was obtained. The Vickers micro-hardness and elastic modulus measurement showed an enhancement for flame remelted coating. The main wear mechanism of the as-sprayed coating was adhesive/delaminative wear. While the main wear mechanism of the flame remelted coating was adhesive wear. The wear resistance of flame remelted coating surpassed that of the as-sprayed coating and was by far superior to the substrate.

引用

页码：181 / 188

页数：8

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