Deformation twinning in equiaxed-grained Fe-6.5 wt.%Si alloy after rotary swaging
Chaoyu Hana, Shibo Wena, Feng Yea,*(), Wenjia Wub, Shaowei Xuea, Yongfeng Lianga, Binbin Liua, Junpin Lina

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Fig. 9.. Relationship between twin stress and grain size: D (a) and 1/√D (b). D represents grain diameter.