Microstructure and Mechanical Properties of Nd:YAG Laser Welded Invar 36 Alloy |
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| Journal | Materials Science Forum (Volumes 675 - 677) |
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| Volume | Advanced Material Science and Technology |
| Edited by | Yi Tan and Dongying Ju |
| Pages | 739-742 |
| DOI | 10.4028/www.scientific.net/MSF.675-677.739 |
| Citation | Yue Zhao et al., 2011, Materials Science Forum, 675-677, 739 |
| Online since | February, 2011 |
| Authors | Yue Zhao, Ai Ping Wu, Wei Yao, Zhi Min Wang, Yutaka S. Sato, Hiroyuki Kokawa |
| Keywords | Invar 36 Alloy, Laser Welding, Microstructure, Precipitation |
| Abstract | 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. |
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