STRENGTHENING OF A PARTICULATE METAL MATRIX COMPOSITE BY QUENCHING

被引：222
|
作者：
TAYA, M
LULAY, KE
LLOYD, DJ
机构：
[1] UNIV WASHINGTON, DEPT MECH ENGN, SEATTLE, WA 98195 USA
[2] ALCAN INT LTD, KRDC, KINGSTON K7L 5L9, ONTARIO, CANADA
来源：
ACTA METALLURGICA ET MATERIALIA | 1991年 / 39卷 / 01期
关键词：
D O I：
10.1016/0956-7151(91)90329-Y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The strengthening of a particulate metal matrix composite due to quenching was studied both experimentally and theoretically. The strengthening was attributed to two mechanisms: punched-out dislocations due to CTE mismatch strain and back stress. Both mechanisms were analyzed by theoretical modeling leading to a good agreement between the experimentally observed strengthening and the prediction by the models. A parametric study revealed that the volume fraction of particulate, quenching temperature and its temperature differential and particulate size are the major variables influencing the increase in composite flow stress. © 1991.
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页码：73 / 87
页数：15
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