简介概要

EFFECT OF Sb ADDITION ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF TiAI INTERMETALLIC COMPOUND

来源期刊:中国有色金属学报(英文版)1994年第3期

论文作者:He Yuehui Qu Xuanhui Huang Baiyun Lei Changming Liu Yexiang

文章页码:77 - 82

Key words:Sb ;micrcotructure ;TiAl; intermetallic ;compound

Abstract: The effect of Sb addition on the microstructures and room-temperature mechanical properties of Ti-34 wt.-% Al alloy was investigated. The experimental results showed that the microstructure of Ti-34 wt.-% Al alloy changed from as-cast coarse columnar into narrow columnar grains due to Sb addition , and that the room temperature bending strength and ductility of TiAl+Sb alloy were relatively high compared with those of the binary alloy. Fractograph analysis exhibited that the crack could propagate in single Y phase and there were more tear ridges in TiAl+Sb alloys.

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