Friction stir welding of CoCrNi medium-entropy alloy: Recrystallization behaviour and strengthening mechanism

Dynamic recrystallization (DRX), deformation-induced mechanical twins, and strengthening mechanism of CoCrNi equi-atomic medium-entropy alloy (MEA), welded by friction stir welding (FSW) at different welding speeds, were systematically investigated in this study. The results indicated that FSW led t...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-07, Vol.848, p.143361, Article 143361
Hauptverfasser:	Hu, Yanying, Niu, Yitian, Zhao, Yunqiang, Yang, Weiqi, Ma, Xianfeng, Li, Jinglong
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys CoCrNi MEA Deformation effects Diameters Ductility Dynamic recrystallization Entropy Friction stir welding Grain refinement Grain size Mechanical properties Mechanical twin Medium entropy alloys Plastic deformation Plastic instability Strengthening Twin boundaries Ultimate tensile strength
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