Influence of Severe Plastic Deformation and Ageing on the Microstructure and Mechanical Properties of β-alloy Ti-6.8Mo-4.5Fe-1.5Al

被引：1
|
作者：
Semenova, Irina [1 ]
Medvedev, Alexander [1 ]
机构：
[1] Ufa State Aviat Tech Univ, Inst Phys Adv Mat, Ufa, Russia
来源：
NANOMATERIALS BY SEVERE PLASTIC DEFORMATION: NANOSPD5, PTS 1 AND 2 | 2011年 / 667-669卷
关键词：
beta titanium alloys; equal channel angular pressing; ageing; STRENGTH;
D O I：
10.4028/www.scientific.net/MSF.667-669.731
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This work presents the possibility of strength enhancement in the beta-alloy Ti-6.8Mo-4.5Fe-1.5Al via equal channel angular pressing at room temperature without precipitation of a secondary a-phase. Influence of the initial structure of the alloy and ageing temperature on the density of precipitations and dimensions of the secondary a-phase is revealed. It has been stated that combination of the solid solution treatment with the subsequent ECAP processing and final ageing is an effective way to achieve superior strength and ductility.
引用
收藏
页码：731 / 736
页数：6
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