Effect of surface treatments on microstructure and stress corrosion cracking behavior of 308L weld metal in a primary pressurized water reactor environment

•Milling, mechanically grinding and electropolishing promote SCC of 308L weld metal.•Composition change and etched phase boundary cause SCC of electropolished surface.•Machining produces a nanocrystalline layer and an underlying deformed layer.•Elongated ferrite phases in nanocrystalline layer incre...

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Veröffentlicht in:	Corrosion science 2020-04, Vol.166, p.108465, Article 108465
Hauptverfasser:	Dong, Lijin, Zhang, Xiaolong, Han, Yaolei, Peng, Qunjia, Deng, Ping, Wang, Shuliang
Format:	Artikel
Sprache:	eng
Schlagworte:	A. Stainless steel B. SEM B. TEM C. Stress corrosion C. Welding Comminution Corrosion effects Delta ferrite Electropolishing Grinding mills Microstructure Pressurized water reactors Silicon dioxide Stress corrosion cracking Synergistic effect Weld metal
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