Microstructure of Weld Joint of Additive Manufactured Ti-6Al-4V Alloy

被引：0
|
作者：
Iakhin, A. [1 ]
Kazachenok, M. S. [2 ]
机构：
[1] Natl Res Tomsk Polytechn Univ, 30 Lenin Ave, Tomsk 634050, Russia
[2] RAS, Inst Strength Phys & Mat Sci, SB, 2-4 Pr Akad Skii, Tomsk 634055, Russia
来源：
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019 | 2019年 / 2167卷
关键词：
D O I：
10.1063/1.5132006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructure and phase composition in fusion zone, heat affected zone and base metal of Ti-6Al-4V samples, produced by Selective Laser Melting (SLM) and Electron Beam Free-Form Fabrication (EBF3) methods were studied. Metallographic analysis was performed to compare sizes of prior columnar beta grains and acicular a. phase formed in the weld of Ti-6Al-4V samples obtained by different additive manufacturing methods. X-ray diffraction analysis revealed a change of beta phase volume fraction in the weld of 3D printing Ti-6Al-4V samples. Distribution of Vickers microhardness of weld joint cross section specimens was under study.
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页数：4
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