Mitigation of porosity defects in fiber laser welding under low vacuum

Author:

Jiang Meng,Chen Xi,Chen Yanbin,Tao Wang

Funder

National Key Research and Development Program of China

Nature Science Foundation of Heilongjiang Province

Fundamental Research Funds for the Central Universities

Publisher

Elsevier BV

Subject

Industrial and Manufacturing Engineering,Metals and Alloys,Computer Science Applications,Modelling and Simulation,Ceramics and Composites

Reference23 articles.

1. Fundamental phenomena in high power CO_2 laser (report II): vacuum laser welding (welding physics, process & instrument);Arata;Trans. JWRI,1985

2. Numerical simulation of molten pool dynamics in high power disk laser welding;Cho;J. Mater. Process. Technol.,2012

3. Laser beam welding of atmosphere aluminum die cast material using high frequency beam oscillation and brilliant beam sources;Dittrich;J. Laser Appl.,2017

4. The effect of reduced pressure on laser keyhole weld porosity and weld geometry in commercially pure titanium and nickel;Elmer;Weld. J.,2016

5. Pores in laser beam welding: generation mechanism and impact on the melt flow;Fetzer,2018

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