Prediction of sigma-phase embrittlement and its influence on repair weldability for type 316FR stainless steel weld metals with different solidification modes

To clarify the influence of long-term σ phase embrittlement on repair weldability for type 316FR stainless steel weld metals (316FR-AF and 316FR-FA), the prediction of σ-phase embrittlement and a spot-Varestraint test were performed. The precipitation of σ and χ phases were characterized during acce...

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Veröffentlicht in:	Journal of nuclear materials 2018-07, Vol.505, p.212-226
Hauptverfasser:	Chun, Eun−Joon, Saida, Kazuyoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Aging (metallurgy) Austenitic stainless steels Brittleness Embrittlement Kinetic equations Kinetics Mechanical properties Metals Phases Precipitation Predictions Repair weldability Repair welding Sigma phase Sigma phase embrittlement Solidification spot-Varestraint test Stainless steel Type 316FR stainless steel Weld metal Weldability Welding
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