Microstructure and Mechanical Properties of Ti-15-3 Alloy Gas Tungsten Arc Welds Prepared Using CP-Titanium Filler

被引：7
作者：
Anis, Ahmad Lutfi [1 ]
Talari, Mahesh Kumar [1 ]
Arif, Izzul Adli Mohd [1 ]
Babu, N. Kishore [2 ]
Ismail, Muhammad Hussain [3 ]
Ram, G. D. Janaki [4 ]
机构：
[1] Univ Teknol MARA, Fac Sci Appl, Shah Alam 40450, Malaysia
[2] Empa, Lab Adv Mat Proc, Swiss Fed Labs Mat Sci & Technol, Feuerwerkerstr 39, CH-3602 Thun, Switzerland
[3] Univ Teknol MARA, Fac Mech Engn, Shah Alam 40450, Malaysia
[4] IIT Madras, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India
来源：
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2017年 / 70卷 / 03期
关键词：
Ti-15-3; GTAW; Microstructure; CP-Ti;
D O I：
10.1007/s12666-017-1049-2
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Strength and ductility of fusion zone of metastable beta titanium alloy welds can be improved by choosing suitable fillers. This paper reports the effects of using CP-Ti filler on the microstructural and mechanical properties of Ti-15-3 weldments. Full penetration autogenous and CP-Ti filler welds were produced by pulsed gas tungsten arc welding. X-ray diffraction analysis revealed small amounts of alpha-Ti phase in the diffraction pattern obtained for welds prepared using CP-Ti filler. Transmission electron microscopy analysis showed presence of grain boundary and intragranular alpha in the fusion zone of the welds prepared using CP-Ti filler. The welds prepared with CP-Ti filler showed higher hardness, higher UTS and lower % strain compared to autogenous welds.
引用
收藏
页码：685 / 690
页数：6
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