Comparative Analysis of Weld Microstructure in Ti-6Al-4V Samples Produced by Rolling and Wire-Feed Electron Beam Additive Manufacturing

被引：3
|
作者：
Panin, A. V. [1 ,2 ]
Kazachenok, M. S. [1 ]
Krukovsky, K. V. [1 ]
Kazantseva, L. A. [1 ]
Martynov, S. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Strength Phys & Mat Sci, Siberian Branch, Tomsk 634055, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
来源：
PHYSICAL MESOMECHANICS | 2023年 / 26卷 / 06期
关键词：
Ti-6Al-4V titanium alloy; electron beam welding; deep-penetration keyhole welding; additive manufacturing technology; microstructure; microhardness; TITANIUM-ALLOY; PHASE-TRANSFORMATIONS; MECHANICAL-PROPERTIES; JOINT;
D O I：
10.1134/S1029959923060048
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The microstructure and phase composition of electron beam welded Ti-6Al-4V titanium alloy were studied by optical and scanning electron microscopy, backscattered electron diffraction, and X-ray diffraction analysis. Deep-penetration electron beam welds were made in a single pass on rectangular Ti-6Al-4V samples obtained by rolling and wire-feed electron beam additive manufacturing. It was found that the weld width in the 3D printed Ti-6Al-4V samples is greater than in the rolled material. The influence of the vapor capillary on the size, shape and structure of primary beta grains formed in the fusion zone was shown. The variation of the penetration coefficient, volume fraction of the residual beta phase, and residual stresses along the weld length was studied for Ti-6Al-4V samples obtained by both rolling and 3D printing.
引用
收藏
页码：643 / 655
页数：13
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