THE DRILLING OF AN AL/SIC METAL-MATRIX COMPOSITE

被引：62
|
作者：
MONAGHAN, J
OREILLY, P
机构：
[1] Department of Mechanical and Manufacturing Engineering, Trinity College, Dublin
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 1992年 / 33卷 / 04期
关键词：
D O I：
10.1016/0924-0136(92)90280-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Because of the hard ceramic reinforcing component in a metal-matrix composite, these materials are difficult to machine and attempts to do so result frequently in accelerated tool wear and premature failure. This paper reports on the results from a series of drilling tests undertaken on a 25% volume fraction Al/SiC metal-matrix composite. A range of tool materials was tested, these including: coated and uncoated high-speed steel, carbide and PCD-tipped drills and solid-carbide drills. The results indicate that the hardness of the tool material has a significant influence on cutting-edge wear and on the drilling-torque and thrust-forces experienced. It was found also that the presence of a ceramic coating on a high-speed steel drill does not improve its performance appreciably, compared to standard un-coated tools.
引用
收藏
页码：469 / 480
页数：12
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