Al2O3 PARTICLE REINFORCED COPPER MATRIX COMPOSITE USING FOR CONTINUOUS CASTING MOULD

被引：3
|
作者：
S.H.Liang and Z.K.Fan The Department of Material and Engineering
机构：
来源：
ActaMetallurgicaSinica(EnglishLetters) | 1999年 / 05期
关键词：
hot pressing and sintering; composites; structure and properties; mould;
D O I：
暂无
中图分类号：
TG249.7 [连续、半连续铸造];
学科分类号：
摘要：
A kind of Cu base composite reinforced by 0 1μm Al 2O 3 particles were prepared by hot pressing and sintering process for steel continuous casting mould. The microstructure and properties were studied. The results show that the Al 2O 3 particle distribution is uniform, and the particles refine the grain size. The tensile fracture is a mixture of quasi cleavage and dimple due to the moderate interface strength. As a result, the composite has better soft resistance and wear resistance than those of Cu and Cu alloy. With increase in super fine Al 2O 3, the density and electric conductivity of the composite decrease, but hardness and strength increase.
引用
收藏
页码：782 / 786
页数：5
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