Enhancing wear performance by depositing alumina/GNPs coating on textured WC-TiC-Co substrates

被引：6
|
作者：
Liu, Changxia [1 ,2 ]
Sun, Junlong [1 ,2 ]
Venturi, Federico [2 ]
Romero, Acacio Rincon [2 ]
Hussain, Tanvir [2 ]
机构：
[1] Ludong Univ, Sch Transportat, Yantai 264025, Shandong, Peoples R China
[2] Univ Nottingham, Fac Engn, Univ Pk, Nottingham NG7 2RD, England
来源：
SURFACE & COATINGS TECHNOLOGY | 2022年 / 447卷
基金：
中国国家自然科学基金; 英国工程与自然科学研究理事会;
关键词：
SHVOF; Graphene nanoplatelets; Cemented carbide composites; Microtexture; Wear resistant; TRIBOLOGICAL BEHAVIOR; MACHINING PERFORMANCE; MECHANICAL-PROPERTIES; RAMAN-SPECTROSCOPY; GRAPHENE; MICROSTRUCTURE; TOOLS; FRICTION; FACE;
D O I：
10.1016/j.surfcoat.2022.128817
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Grid and line textures were made on the top surfaces of WC-TiC-Co cemented carbide substrates. Suspension High Velocity Oxy-Fuel (SHVOF) was utilized to deposit alumina and graphene nanoplatelets (GNPs) coating on the textured surfaces. The friction and wear behaviors of the Alumina/GNPs coating were evaluated using dry sliding wear tests against alumina balls. The friction reduction mechanism of alumina/GNPs coating was pre-sented. GNPs in the alumina coatings played a significant role in reducing the coefficient of friction (CoF) up to 40 % and improving the wear resistance properties of the coating. A stress distribution model of the friction contact zone was provided to analyze the tribological performance of the textured sample. The friction reduction mechanism for alumina/GNPs coating was discussed. These results offer a benchmark for further studies combining microtextured surfaces and SHVOF thermal sprayed coatings as promising candidates for high wear resistant applications.
引用
收藏
页数：18
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