Compositional structure and mechanical properties of a directionally crystallized fibrous eutectic

被引：0
|
作者：
Fadin, Yu.A. [1 ]
Azimboyev, A. [1 ]
Leksovskiy, A.M. [1 ]
机构：
[1] Joffe Physiotechnical Inst, Russia
来源：
Physics of Metals and Metallography | 1988年 / 65卷 / 06期
关键词：
Aluminum Metallography - Eutectics;
D O I：
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中图分类号：
学科分类号：
摘要：
Compositional materials (CM) based on directionally, crystallized eutectics (DCE) are interesting for use as creep-resistant engineering materials. Specimens of fibrous DCE Al-Al9Co2 were used. Two kinds of specimen were investigated. The first had regular dual-phase compositional structure with λ1=3-5 μm between intermetallic fibres Al9Co2, fibre diam 0.2-0.4 μm. There was no regular compositional structure in the second kind of specimens. The fibres were irregularly arranged, the mean distances between them λ2=20-100 μm, and in addition, there were regions with no fibres. The mechanical properties were studied on flat specimens.
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页码：176 / 179
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