Repulsive Interaction of Sulfide Layers on Compressor Impeller Blades Remanufactured Through Plasma Spray Welding

被引：5

作者：

Chang, Y. ^{[1
]}

Zhou, D. ^{[1
]}

Wang, Y. L. ^{[1
]}

Huang, H. H. ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Mech Engn, 193 Tunxi Rd, Hefei 230009, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2016年 / 25卷 / 12期

关键词：

compressor impeller blade; mechanical performance; plasma spray welding; remanufacturing; sulfide layers; WEAR-RESISTANCE; CORROSION BEHAVIOR; SURFACE-ROUGHNESS; TUBE STEEL; HARDNESS; INCLUSION; COATINGS; H2S; CRACK; CO2;

D O I：

10.1007/s11665-016-2364-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study investigated the repulsive interaction of sulfide layers on compressor impeller blades remanufactured through plasma spray welding (PSW). Sulfide layers on the blades made of FV(520)B steel were prepared through multifarious corrosion experiments, and PSW was utilized to remanufacture blade specimens. The specimens were evaluated through optical microscopy, scanning electron microscopy, energy-dispersive spectroscopy, 3D surface topography, x-ray diffraction, ImageJ software analysis, Vicker's micro-hardness test and tensile tests. Results showed a large number of sulfide inclusions in the fusion zone generated by sulfide layers embodied into the molten pool during PSW. These sulfide inclusions seriously degraded the mechanical performance of the blades remanufactured through PSW.

引用

页码：5343 / 5351

页数：9

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