Microstructural and wear properties of the Al-B4C composite coating produced by hot-press sintering on AA-2024 alloy

被引：0
作者：
C. Ozay
H. Ballikaya
F. Dagdelen
O. E. Karlidag
机构：
[1] Firat University,Faculty of Technology, Mechanical Engineering Department
[2] Inonu University,Department of Machine and Metal Technologies, Malatya Organized Industrial Zone Vocational High School
[3] Firat University,Physics Engineering Department, Faculty of Science
来源：
Journal of Mechanical Science and Technology | 2021年 / 35卷
关键词：
Hot press sintering; Al-B; C coating; Wear; MMCs;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, the surface of an AA-2024 alloy was covered with reinforced composite coating using hotpress sintering method. Al and B4C powders were synthesized through mechanical alloying technique and coated on the AA-2024 substrate at different rates. The microstructure of the intermediate transition region formed between the substrate (AA-2024 Al alloy) and the coating layer (Al/B4C MMCs), the microstructure of the Al/B4C metal matrix composites (MMCs) coating, the microhardness, and the adhesive wear resistance of the Al/B4C MMCs coating layer were investigated. It was observed that B4C powders homogeneously dispersed in the microstructure of the Al/B4C MMCs coating layer, moreover, the Al matrix and B4C reinforcement particles were bonded without a gap. It was also determined that an interface bonding occurred between Al/B4C MMCs coating layer and the AA-2024 substrate. Accordingly, it was determined that with the increase of B4C reinforcement particle ratio, the hardness of the coating layer, and the wear resistance increased.
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页码：2895 / 2901
页数：6
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