Effect of graphite particles on machinability of SiC/Gr/Al composites

被引：4
|
作者：
Leng, J. F. [1 ,2 ]
Xing, Z. H. [1 ]
Huo, D. J. [1 ]
Zhou, G. R. [1 ]
Yuan, Z. [1 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, Jinan, Shandong, Peoples R China
[2] Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan, Shandong, Peoples R China
来源：
MATERIALS RESEARCH INNOVATIONS | 2015年 / 19卷
基金：
中国国家自然科学基金;
关键词：
Metal matrix composites; Graphite; Machinability; Adhesive wear; METAL-MATRIX COMPOSITES; TOOL WEAR; MECHANICAL-PROPERTIES; PARAMETERS;
D O I：
10.1179/1432891715Z.0000000001532
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SiC/Gr/Al composites with the graphite particle size of 1, 6 and 20 mm were fabricated by squeeze casting technology and the effects of graphite particles on machinability were investigated. Results show that with increasing size of graphite particles, the tool wear has very little change, but the cutting force decrease noticeably. Compared to SiC/Al composite, the cutting forces increase steadily with increasing the cutting speed during machining SiC/Gr/Al composite, the tool life is prolonged 42 and 59%, respectively, at speed of 20 and 30 m min(-1) when machining SiC/Gr(6 mu m)/Al composite. It is a result of the solid lubrication of graphite particle preventing for growth of adhesive wear.
引用
收藏
页码：S138 / S141
页数：4
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