简介概要

Effects of can parameters on canned-forging process of TiAl base alloy(Ⅱ)——Mechanical behavior

来源期刊:中国有色金属学报(英文版)2002年第4期

论文作者:刘咏 何双珍 黄伯云 韦伟峰 贺跃辉 周科朝

文章页码:601 - 604

Key words:TiAl base alloy; thermal mechanical treatment ; mechanical behavior; computer simulation

Abstract: By using thermal simulation technique and computer simulation, the conventional canned-forging process of TiAl base alloy was studied. The effect of can parameters on the mechanical behavior of TiAl alloys with different H/D ratios was analyzed in this process. The results show that, the pea k stress of TiAl base alloy without canning is far higher than that with canning. Compared with the samples with the same H/D ratio, the peak stress decreases with increasing can thickness; while compared with the samples with the same can thickness, the peak stress decreases with increasing H/D ratio. The decrease of t he true stress of TiAl base alloy with canning were analyzed according to the theory of plastic deformation and results of computer simulation.

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