Grain refinement and laser energy distribution during laser oscillating welding of Invar alloy

Laser oscillating welding method was employed to welding of Invar alloy so as to achieve grain refinement and decrease internal defects. Effects of frequency and amplitude of beam oscillation with sinusoidal trajectory on weld appearance and solidification microstructure were researched. The essenti...

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Bibliographic Details
Main Authors: Zhenguo Jiang, Xi Chen, Hao Li, Zhenglong Lei, Yanbin Chen, Shibo Wu, Yuhua Wang
Format: Article
Language:English
Published: Elsevier 2020-01-01
Series:Materials & Design
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127519306331