Effect of rare earth oxide (Y2O3) addition on alloyed layer synthesized on Ti-6Al-4V substrate with Ti plus SiC plus h-BN mixed precursor by laser surface engineering

被引：42
作者：
Das, Anil Kumar [1 ,2 ]
Shariff, S. M. [3 ]
Choudhury, A. Roy [1 ]
机构：
[1] Indian Inst Technol, Dept Mech Engn, Kharagpur 721302, W Bengal, India
[2] Natl Inst Technol Patna, Dept Mech Engn, Patna 800005, Bihar, India
[3] Int Adv Res Ctr Powder Met & New Mat ARCI, Hyderabad, Andhra Pradesh, India
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 95卷
关键词：
Surface engineering; Micro-hardness; Metal matrix composite; Dry sliding wear; METAL-MATRIX COMPOSITE; PHYSICAL-PROPERTIES; MICROSTRUCTURE; COATINGS;
D O I：
10.1016/j.triboint.2015.10.035
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, the rare earth oxide (Y2O3) is added to the precursor powder mixture of Ti+SiC+h-BN, and the subsequent mixture is alloyed on the surface of Ti-6Al-4V substrate by laser surface engineering. The XRD spectra indicate that the alloyed layers contain TiN, TiB, Si3N4, Ti5Si3, BN, Ti2N phases in the alpha-Ti matrix. It is found that the micro-hardness and wear resistance of alloyed layers with Y2O3 addition are higher than those of the alloyed layer without Y2O3 addition in their precursor. The micro-hardness of alloyed layer with Y2O3 addition enhanced from 583 HV to 728 HV. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：35 / 43
页数：9
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