Suppression of Helium Induced Cracking in Laser Repair Welding of Highly Irradiated Stainless Steels

Welding repair of irradiated nuclear reactor materials such as austenitic stainless steels used for the reactor internals has been challenging due to irradiation generated helium in the material matrix over an extended period of time. In this study, improved laser welding techniques, including the n...

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Veröffentlicht in:	Journal of nuclear materials 2021-12, Vol.556, p.153206, Article 153206
Hauptverfasser:	Chen, Jian, Tatman, Jonathan, Feng, Zhili, Miller, Roger, Curlin, Stephanie, Dai, Tao, Mao, Keyou, Sutton, Benjamin, Frederick, Greg
Format:	Artikel
Sprache:	eng
Schlagworte:	Austenitic stainless steels Cracks Electron microscopes Heat affected zone Helium Helium induced crack Irradiated materials Irradiation Laser beam cladding Laser beam welding Laser repair welding Lasers MATERIALS SCIENCE Microscopes Nuclear reactors Reactor materials Reactors Repair welding Stainless steel Statistical analysis Statistical methods Weld cladding Weld metal Welding
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