Effect of Nd:YAG laser welding on microstructure and mechanical properties of Incoloy alloy 800

2021 ◽  
Vol 140 ◽  
pp. 107039
Author(s):  
R. Palanivel ◽  
I. Dinaharan ◽  
R.F. Laubscher ◽  
Ibrahim M. Alarifi
2011 ◽  
Vol 675-677 ◽  
pp. 739-742 ◽  
Author(s):  
Yue Zhao ◽  
Ai Ping Wu ◽  
Wei Yao ◽  
Zhi Min Wang ◽  
Yutaka S. Sato ◽  
...  

Invar 36 alloy is increasingly used as a structural material for manufacture of liquefied natural gas (LNG) transporters and storage tanks. However, the conventional arc welding of Invar 36 alloy has high susceptibility of hot-cracking. As a high-energy-beam welding process, laser welding could be effective for producing defect-free Invar 36 weld. In the present study, defect-free Invar 36 weld was successfully produced by Nd:YAG laser welding. The microstructure and mechanical properties of weld were also tested.


2012 ◽  
Vol 28 (9) ◽  
pp. 945-951 ◽  
Author(s):  
Angéline Poulon-Quintin ◽  
Ikuya Watanabe ◽  
Etsuko Watanabe ◽  
Caroline Bertrand

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