Fiber laser-GMA hybrid welding of commercially pure titanium

被引：86

作者：

Li, Cui ^{[1
]}

Muneharua, Kutusna ^{[1
]}

Takao, Simizu ^{[2
]}

Kouji, Horio ^{[2
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Nagoya, Aichi 4648603, Japan

[2] Daido Steel Co Ltd, Minami Ku, Nagoya, Aichi 4578545, Japan

来源：

MATERIALS & DESIGN | 2009年 / 30卷 / 01期

关键词：

non-ferrous metals and alloys; welding; mechanical; GAS; SHEET;

D O I：

10.1016/j.matdes.2008.04.043

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fiber laser-gas metal arc (GMA) hybrid welding process was introduced to weld of commercially pure titanium (CP-Ti) of 1.5 mm in thickness. Effect of welding parameters on the hybrid weldability was investigated concerning the bead shape. hardness, tensile properties and microstructures of welded joints compared with those of a fiber laser welded joint. As a result, fiber laser-GMA hybrid welding process has been shown to weld of CP-Ti sheets in 1.5 mm thickness at speeds of up to 9 m/min. In addition, fiber laser-GMA hybrid welding produces higher Vickers hardness and tensile strength than that of the base metal. Compared with the laser welded joints, it is obvious that the hybrid welded joints have better combination of strength and ductility. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：109 / 114

页数：6

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