Effect of prior β processing on superplasticity of (α plus β) thermomechanically treated Ti-6Al-4V alloy

被引：7
|
作者：
Lahiri, I [1 ]
Lahiri, D [1 ]
Bhargava, S [1 ]
机构：
[1] Indian Inst Technol, Dept Mat & Met Engn, Kanpur 500058, Uttar Pradesh, India
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2003年 / 18卷 / 04期
关键词：
Ti-6Al-4V alloy; beta processing; (alpha plus beta) processing; grain size; aspect ratio; m value;
D O I：
10.1081/AMP-120022501
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new thermomechanical schedule involving processing in beta and (alpha + beta) phase fields for obtaining good superplastic properties in Ti-6Al-4V alloy has been proposed and tested for optimum superplasticity. Superplastic behavior of the as-rolled and annealed sheets has been studied systematically. It has been inferred that in addition to grain size, prior beta processing and annealing in the (alpha + beta) phase field also have a marked effect on superplasticity of the alloy sheets. As-rolled sheets in (alpha + beta) phase field having undergone annealing in (alpha + beta) phase field with prior beta rolling exhibit maximum superplastic elongation.
引用
收藏
页码：621 / 635
页数：15
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