ANALYSIS OF THE MECHANICAL PROPERTIES OF DIRECTIONALLY CRYSTALLIZED TERNARY ALLOYS Al-Ni-Co AND Al-Ni-Si.

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作者：

Kovacova, K.

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来源：

Physics of Metals and Metallography | 1979年 / 48卷 / 05期

关键词：

ALUMINUM METALLOGRAPHY - Eutectics;

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摘要：

The relation between the morphological and mechanical properties is investigated in a directionally crystallized binary eutectic Al-Ni and ternary eutectics based on Al-Ni. At a crystallization rate R equals 1 multiplied by 10** minus **5 m multiplied by (times) sec** minus **1 for the binary eutectic Al-Al//3Ni UTS equals 285 MPa, elongation delta equals 1-2%. For Al-Ni-Co and Al-Ni-Si the tensile strength is 185 and 173 MPa at delta equals 1%. The massive strengthening phases Al//3Ni, Al//9Co//2 and Si in the ductile matrix lower the strength of material.

引用

页码：130 / 135

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