SUPERPLASTIC DEFORMATION OF TI-6AL-4V EXTRUDED TUBE

被引：6
|
作者：
WISBEY, A
PARTRIDGE, PG
BOWEN, AW
机构：
[1] Materials and Structures Department, Royal Aerospace Establishment, Farnborough, GU14 6TD, Hampshire
来源：
JOURNAL OF MATERIALS SCIENCE | 1992年 / 27卷 / 14期
关键词：
D O I：
10.1007/BF00545477
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Superplastic forming using conventional alloys and product forms may be a cost effective route for component manufacture. In this paper superplastic deformation of Ti-6Al-4V extruded tube is examined in terms of the strain anisotropy, microstructural changes, the texture and the post-formed tensile properties. Superplastic deformation with low flow stresses over a wide range of strain rates was observed. Strain anisotropy and surface roughening occurred during deformation and was associated with the two-phase, aligned and banded microstructure. A small reduction in the tensile properties was found and changes in the texture were noted after superplastic deformation.
引用
收藏
页码：3925 / 3931
页数：7
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