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

Junsong Zhang; Yinong Liu; Yang Ren; Yong Huan; Shijie Hao; Cun Yu; Yang Shao; Yadong Ru; Daqiang Jiang; Lishan 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, Yang Ren, Yong Huan, Shijie Hao, Cun Yu, Yang Shao, Yadong Ru, Daqiang Jiang, Lishan Cui

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

29 Citations (Scopus)

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
Article number	041910
Journal	Applied Physics Letters
Volume	105
Issue number	4
DOIs	https://doi.org/10.1063/1.4892352
Publication status	Published - 28 Jul 2014
Externally published	Yes

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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.",

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T1 - In situ synchrotron X-ray diffraction study of deformation behavior and load transfer in a Ti2Ni-NiTi composite

AU - Zhang, Junsong

AU - Liu, Yinong

AU - Ren, Yang

AU - Huan, Yong

AU - Hao, Shijie

AU - Yu, Cun

AU - Shao, Yang

AU - Ru, Yadong

AU - Jiang, Daqiang

AU - Cui, Lishan

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2014/7/28

Y1 - 2014/7/28

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.

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DO - 10.1063/1.4892352

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JO - Applied Physics Letters

JF - Applied Physics Letters

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