Comparison of low and high strain rate deformation mechanisms and texture evolution for a textured Ti6Al4V alloy

被引：1
|
作者：
Coghe, F. [1 ]
Tirry, W. [1 ,2 ]
Rabet, L. [1 ]
Van Houtte, P. [3 ]
机构：
[1] Royal Mil Acad, B-1000 Brussels, Belgium
[2] Univ Antwerp, B-2000 Antwerp, Belgium
[3] Katholieke Univ Leuven, B-3000 Louvain, Belgium
来源：
DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 2 | 2009年
关键词：
D O I：
10.1051/dymat/2009160
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article is a first attempt to determine the influence of the initial texture and strain rate on the dynamic anisotropic behaviour of a material with a (mainly) hexagonal crystal structure. For this research a commercial Ti6Al4V alloy was used, composed mainly of a hexagonal a-phase. By quasi-static (servo-hydraulical) and dynamic (SHPB) compression testing along different axes on the initially textured material, the influence of the texture on the mechanical anisotropy was investigated. To determine the influence of twinning on the overall deformation behaviour, a microstructural investigation was done using different characterization techniques (optical, SEM, EBSD, TEM). This study will show that for the material used in this study, the initial texture and the associated activation of twinning as a deformation mechanism have a profound effect on the mechanical behaviour for both the quasi-static as for the dynamic loading conditions.
引用
收藏
页码：1145 / +
页数：2
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