Pulsed Laser Spot Welding Thermal-Shock-Induced Microcracking of Inconel 718 Thin Sheet Alloy

This paper investigates the change in solidification microcrack susceptibility under the influence of thermal-shock-induced effects for pulsed laser spot welding molten pools with different waveforms, powers, frequencies, and pulse widths. During the welding process, the temperature of the molten po...

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Bibliographic Details
Published in:	Materials Vol. 16; no. 10; p. 3775
Main Authors:	Shi, Mingli, Ye, Xin, Wang, Yuanhao, Wu, Di
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 17-05-2023 MDPI
Subjects:	Analysis Crack initiation Cracks Damage Elastic waves Fracture mechanics Grain boundaries Grain size Heat resistant alloys heat-affected zone Laser beam welding Lasers Laves phase Melt pools Melting points microcrack Microcracks Nickel alloys Nickel base alloys Pulse duration pulsed laser spot welding Pulsed lasers Rapid solidification Solidification Spot welding Superalloys Thermal cycling Thermal shock Waveforms Welding heat-affected zone pulsed laser spot welding microcrack thermal shock
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