Acta Metallurgica Sinica (English Letters) ›› 2022, Vol. 35 ›› Issue (8): 1275-1280.DOI: 10.1007/s40195-021-01362-7
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Junwei Xie1, Haokai Dong2, Yuxiu Hao1, Zhongding Fan1, Chang-An Wang1()
Received:
2021-09-09
Revised:
2021-09-28
Accepted:
2021-10-12
Online:
2022-08-10
Published:
2021-12-02
Contact:
Chang-An Wang
About author:
Chang‑An Wang wangca@mail.tsinghua.edu.cnJunwei Xie, Haokai Dong, Yuxiu Hao, Zhongding Fan, Chang-An Wang. Exploring the Formation Mechanism of Deformation Twins in CrMnFeCoNi High Entropy Alloy[J]. Acta Metallurgica Sinica (English Letters), 2022, 35(8): 1275-1280.
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Fig. 1 a Engineering strain-stress curves and b-d TEM images with the corresponding selected area electron diffraction (SAED) patterns of the specimen deformed at different temperatures
Fig. 2 TEM images of the specimens deformed at various condition for revealing the formation site of twins: a?-?70 °C, 12.5%, b?-?70 °C, 25%, c, d?-?196 °C, 37.5%
Fig. 3 High-resolution TEM images of the specimens deformed at various condition: a, b?-?70 °C, 25%, c, d?-?196 °C, 37.5%. b and c are the partial enlarged areas of Fig. 2b and d. The direction of incident electron beam is all parallel to [110]
Fig. 4 a Diagram of simulated 3D twinning and configurations of twins produced by b edge-to-face, c edge-to-edge and d face to face sympathetic nucleation (SN)
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