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题名: Regulating kinetics of deformation-induced phase transformation in amorphous alloy composite via tuning nano-scale compositional heterogeneity in crystalline phase
作者: Mu, J;  Wang, JL;  Zhao, ZY;  Zhu, ZW;  Zheng, SJ;  Ai, ZR;  Wang, YD
发表日期: 2018-2-1
摘要: Nano-scale compositional heterogeneity of crystalline phase in Ti-based amorphous alloy composites (AACs) has been successfully tuned by tuning cooling rate in solidification process. And the effect of compositional heterogeneity on the kinetics of the deformation-induced phase transformation was investigated by in-situ synchrotron-based high-energy X-ray diffraction (HE-XRD) and ex-situ transmission electron microscopy. In-situ HEXRD experiments provide obvious evidence that with the decrease of the cooling rate during solidification, the critical stress of the deformation-induced phase transformation becomes lower, and the phase transformation rate becomes higher. Further high angle annular dark field-scanning electron microscopy investigation shows that the occurrence of the nano-scale Zr-lean compositional heterogeneity, which can favor the nucleation of the martensite, is the reason for the variation of the phase transformation kinetics.
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Recommended Citation:
Mu, J,Wang, JL,Zhao, ZY,et al. Regulating Kinetics Of Deformation-induced Phase Transformation In Amorphous Alloy Composite Via Tuning Nano-scale Compositional Heterogeneity In Crystalline Phase[J]. Intermetallics,2018,93:72-76.

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