Reducing the anisotropy of the mechanical properties of directed energy deposited Ti6Al4V alloy with inter-layer ultrasonic impact peening and heat treatment

被引：18
|
作者：
Huang, Sheng [1 ]
Qi, Zhenjia [2 ]
Zhang, Anfeng [1 ]
Zhang, Xiaoyu [1 ]
Li, Qingyu [2 ]
Li, Dichen [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Peoples R China
[2] Nucl Power Inst China, Chengdu 610213, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2022年 / 857卷
基金：
中国国家自然科学基金;
关键词：
Additive manufacturing; Titanium alloy; Ultrasonic impact peening; Heat treatment; Anisotropy; TITANIUM-ALLOY; TI-6AL-4V; GLOBULARIZATION; MICROSTRUCTURE; DEFORMATION; COMPONENTS; EVOLUTION; BEHAVIOR;
D O I：
10.1016/j.msea.2022.144123
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The microstructure and mechanical properties of directed energy deposited Ti6Al4V alloy upon inter-layer ultrasonic impact peening and heat treatment including thermal cycling and solution plus aging were studied. The results show that the anisotropy of the mechanical properties can be reduced by breaking columnar prior-beta grains with inter-layer ultrasonic impact peening and spheroidizing primary alpha phases with heat treatment.
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页数：8
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