Prospects of laser welding technology in the automotive industry: A review

被引：249

作者：

Hong, Kyung-Min ^{[1
]}

Shin, Yung C. ^{[1
]}

机构：

[1] Purdue Univ, Sch Mech Engn, Ctr Laser Based Mfg, W Lafayette, IN 47907 USA

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2017年 / 245卷

关键词：

Laser welding; Keyhole welding; Galvanized steel; Aluminum alloys; Magnesium alloys; Titanium alloys; Porosity; Solidification cracking; Intermetallic; Dissimilar materials; ZINC-COATED STEEL; WROUGHT ALUMINUM-ALLOYS; AZ31B MAGNESIUM ALLOY; FIBER LASER; MECHANICAL-PROPERTIES; GALVANIZED STEEL; SOLIDIFICATION CRACKING; KEYHOLE GEOMETRY; SHIELDING GAS; SPOT;

D O I：

10.1016/j.jmatprotec.2017.02.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The prospects for the use of lightweight materials (aluminum alloys, magnesium alloys, and titanium alloys) in high volume vehicle manufacturing are discussed. Laser welding of galvanized steel is compared to resistance spot welding of galvanized steel, along with ongoing efforts to improve the quality of laser welding of galvanized steel by altering the weld configuration, changing the element composition, utilizing a pulse laser, and removing the zinc coating. The feasibility of implementing these techniques in the industrial setup is discussed. Microstructure changes and defects encountered during laser welding of these materials are described, and mechanical properties of welds such as hardness, shear and tensile strength are analyzed. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：46 / 69

页数：24

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