In situ synchrotron X-ray diffraction study of deformation behavior and load transfer in a Ti2Ni-NiTi composite

Junsong Zhang; Yinong Liu; Y. Ren; Y. Huan; S. Hao; C. Yu; Y. Shao; Y. Ru; D. Jiang; L. Cui

doi:10.1063/1.4892352

In situ synchrotron X-ray diffraction study of deformation behavior and load transfer in a Ti2Ni-NiTi composite

Junsong Zhang, Yinong Liu, Y. Ren, Y. Huan, S. Hao, C. Yu, Y. Shao, Y. Ru, D. Jiang, L. Cui

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Abstract

The deformation behavior and load transfer of a dual-phase composite composed of martensite NiTi embedded in brittle Ti2Ni matrices were investigated by using in situ synchrotron x-ray diffraction during compression. The composite exhibits a stage-wise deformation feature and a double-yielding phenomenon, which were caused by the interaction between Ti2Ni and NiTi with alternative microscopic deformation mechanism. No load transfer occurs from the soft NiTi dendrites to the hard Ti2Ni matrices during the pseudoplastic deformation (detwinning) of NiTi, which is significantly different from that previously reported in bulk metallic glasses matrices composites. © 2014 AIP Publishing LLC.

Original language	English
Pages (from-to)	4
Journal	Applied Physics Letters
Volume	105
Issue number	4
DOIs	https://doi.org/10.1063/1.4892352
Publication status	Published - 31 Jul 2014

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Copyright 2014 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Zhang, J., Liu, Y., Ren, Y., Huan, Y., Hao, S., Yu, C., ... Cui, L. (2014). In situ synchrotron X-ray diffraction study of deformation behavior and load transfer in a Ti2Ni-NiTi composite. Applied Physics Letters, 105(4), 4, and may be found at http://dx.doi.org/10.1063/1.4892352
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title = "In situ synchrotron X-ray diffraction study of deformation behavior and load transfer in a Ti2Ni-NiTi composite",

abstract = "The deformation behavior and load transfer of a dual-phase composite composed of martensite NiTi embedded in brittle Ti2Ni matrices were investigated by using in situ synchrotron x-ray diffraction during compression. The composite exhibits a stage-wise deformation feature and a double-yielding phenomenon, which were caused by the interaction between Ti2Ni and NiTi with alternative microscopic deformation mechanism. No load transfer occurs from the soft NiTi dendrites to the hard Ti2Ni matrices during the pseudoplastic deformation (detwinning) of NiTi, which is significantly different from that previously reported in bulk metallic glasses matrices composites. {\textcopyright} 2014 AIP Publishing LLC.",

author = "Junsong Zhang and Yinong Liu and Y. Ren and Y. Huan and S. Hao and C. Yu and Y. Shao and Y. Ru and D. Jiang and L. Cui",

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AU - Zhang, Junsong

AU - Liu, Yinong

AU - Ren, Y.

AU - Huan, Y.

AU - Hao, S.

AU - Yu, C.

AU - Shao, Y.

AU - Ru, Y.

AU - Jiang, D.

AU - Cui, L.

PY - 2014/7/31

Y1 - 2014/7/31

N2 - The deformation behavior and load transfer of a dual-phase composite composed of martensite NiTi embedded in brittle Ti2Ni matrices were investigated by using in situ synchrotron x-ray diffraction during compression. The composite exhibits a stage-wise deformation feature and a double-yielding phenomenon, which were caused by the interaction between Ti2Ni and NiTi with alternative microscopic deformation mechanism. No load transfer occurs from the soft NiTi dendrites to the hard Ti2Ni matrices during the pseudoplastic deformation (detwinning) of NiTi, which is significantly different from that previously reported in bulk metallic glasses matrices composites. © 2014 AIP Publishing LLC.

AB - The deformation behavior and load transfer of a dual-phase composite composed of martensite NiTi embedded in brittle Ti2Ni matrices were investigated by using in situ synchrotron x-ray diffraction during compression. The composite exhibits a stage-wise deformation feature and a double-yielding phenomenon, which were caused by the interaction between Ti2Ni and NiTi with alternative microscopic deformation mechanism. No load transfer occurs from the soft NiTi dendrites to the hard Ti2Ni matrices during the pseudoplastic deformation (detwinning) of NiTi, which is significantly different from that previously reported in bulk metallic glasses matrices composites. © 2014 AIP Publishing LLC.

U2 - 10.1063/1.4892352

DO - 10.1063/1.4892352

M3 - Article

VL - 105

SP - 4

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 4

ER -