Effect of Laser Power and Joint Gap on Weld Quality Of Aerospace Grade Ze41a-T5 Magnesium Alloy Using Nd:YAG Laser

Canadian Institute of Mining, Metallurgy and Petroleum
H. Al-Kazzaz
Organization:
Canadian Institute of Mining, Metallurgy and Petroleum
Pages:
16
File Size:
1238 KB
Publication Date:
Jan 1, 2006

Abstract

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The effects of laser power and joint gap on the welding quality of 2-mm butt joints of ZE41A-T5 sand castings were investigated using a continuous wave 4 kW Nd:YAG laser system and 1.6-mm EZ33A-T5 filler wire at a welding speed of 6 m/min and surface defocusing. The smooth weld profiles with the minor welding defects were obtained at a laser power of 4 kW and joint gap of 0.3-0.4 mm. The hardness values in the fusion zone are similar to those of the base metal but there is a drop in the heat-affected zone after a natural aging of 18 months.
Citation

APA: H. Al-Kazzaz  (2006)  Effect of Laser Power and Joint Gap on Weld Quality Of Aerospace Grade Ze41a-T5 Magnesium Alloy Using Nd:YAG Laser

MLA: H. Al-Kazzaz Effect of Laser Power and Joint Gap on Weld Quality Of Aerospace Grade Ze41a-T5 Magnesium Alloy Using Nd:YAG Laser. Canadian Institute of Mining, Metallurgy and Petroleum, 2006.

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