EFFECT OF Nb AND Mo ADDITION ON THE MICROSTRUCTURE AND WEAR BEHAVIOR OF Fe-Cr-B BASED METAMORPHIC ALLOY COATING LAYER MANUFACTURED BY PLASMA SPRAY PROCESS

被引：4
作者：
Cho, Yong-hoon [1 ]
Ham, Gi-Su [1 ,2 ]
Park, So-Yeon [1 ]
Kim, Choongnyun Paul [2 ]
Lee, Kee-Ahn [1 ]
机构：
[1] Inha Univ, Dept Mat Sci & Engn, Incheon 22212, South Korea
[2] Kolon Ind INC, Kolon Adv Res Cluster, Seoul 07793, South Korea
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2022年 / 67卷 / 04期
关键词：
Plasma spray; Fe-Cr-B based metamorphic alloy; Nb addition; Microstructure; Wear; GLASS-FORMING ABILITY; OXIDATION BEHAVIOR; RESISTANCE; PARTICLES; HARDNESS; STEEL;
D O I：
10.24425/amm.2022.141086
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Fe-Cr-B-based metamorphic alloy coating layers were manufactured by plasma spray with a Fe-Cr-B-Mo-Nb composition (hereinafter, M+) powder. The microstructure and wear properties of the coating layers were investigated and compared with a metamorphic alloy coating layer fabricated with commercial M material. XRD analysis revealed that the M and M+ coating layers were composed of alpha-Fe, (Cr, Fe)2B, and some metallic glass phases. Wear test results showed that M+ coating layers had a superior wear resistance which had 1.48 times lower wear volume than M coating layers. Observations of the worn-out surfaces and cross-sections of the coating layers showed that M+ coating layer had relatively low oxides along the particle boundaries and it suppress a delamination behavior by the oxides.
引用
收藏
页码：1521 / 1524
页数：4
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