High strength W/TiNi micro-laminated composite with transformation-mediated ductility

Shao, Yang; Yu, Kaiyuan; Jiang, Daqiang; Yu, Cun; Ren, Yang; Jiang, Xiaohua; Guo, Fangmin; Cui, Lishan

doi:10.1016/j.matdes.2016.06.013

Title: High strength W/TiNi micro-laminated composite with transformation-mediated ductility

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Abstract

A laminated W/TiNi composite is fabricated by hot pressing under vacuum and subsequent forging. The W and TiNi constituents are about 250 μm and 80 μm respectively in thicknesses and their interfaces are chemically sharp with negligible intermixing. The material exhibits two yielding plateaus and excellent strength-ductility combination during compression tests. In situ X-ray technique is employed to demonstrate that the unusual yielding phenomenon is related to the reversible thermoelastic phase transformation of TiNi layers. Furthermore, such mechanisms also contribute to the damage tolerance of the materials by inhibiting crack propagation in W.

Authors:

^[1]; Yu, Kaiyuan ^[1]; Jiang, Daqiang ^[1]; Yu, Cun ^[1]; Ren, Yang ^[2]; Jiang, Xiaohua ^[1]; Guo, Fangmin ^[1]; Cui, Lishan ^[1]

China Univ. of Petroleum, Beijing (China)
Argonne National Lab. (ANL), Argonne, IL (United States)

Publication Date:: 2016-06-06

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Scientific User Facilities Division; National Natural Science Foundation of China (NSFC); National Basic Research Program of China

OSTI Identifier:: 1365815

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Materials & Design

Additional Journal Information:: Journal Volume: 106; Journal Issue: C; Journal ID: ISSN 0264-1275

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; laminated composites; TiNi alloy; W; transformation induced plasticity

Citation Formats


                    Shao, Yang, Yu, Kaiyuan, Jiang, Daqiang, Yu, Cun, Ren, Yang, Jiang, Xiaohua, Guo, Fangmin, and Cui, Lishan. High strength W/TiNi micro-laminated composite with transformation-mediated ductility.  United States: N. p., 2016. 
Web.  doi:10.1016/j.matdes.2016.06.013.

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                    Shao, Yang, Yu, Kaiyuan, Jiang, Daqiang, Yu, Cun, Ren, Yang, Jiang, Xiaohua, Guo, Fangmin, & Cui, Lishan. High strength W/TiNi micro-laminated composite with transformation-mediated ductility.  United States.  https://doi.org/10.1016/j.matdes.2016.06.013

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                    Shao, Yang, Yu, Kaiyuan, Jiang, Daqiang, Yu, Cun, Ren, Yang, Jiang, Xiaohua, Guo, Fangmin, and Cui, Lishan. Mon .  
"High strength W/TiNi micro-laminated composite with transformation-mediated ductility".  United States.  https://doi.org/10.1016/j.matdes.2016.06.013.  https://www.osti.gov/servlets/purl/1365815.

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@article{osti_1365815,

  title        = {High strength W/TiNi micro-laminated composite with transformation-mediated ductility},

  author       = {Shao, Yang and Yu, Kaiyuan and Jiang, Daqiang and Yu, Cun and Ren, Yang and Jiang, Xiaohua and Guo, Fangmin and Cui, Lishan},

  abstractNote = {A laminated W/TiNi composite is fabricated by hot pressing under vacuum and subsequent forging. The W and TiNi constituents are about 250 μm and 80 μm respectively in thicknesses and their interfaces are chemically sharp with negligible intermixing. The material exhibits two yielding plateaus and excellent strength-ductility combination during compression tests. In situ X-ray technique is employed to demonstrate that the unusual yielding phenomenon is related to the reversible thermoelastic phase transformation of TiNi layers. Furthermore, such mechanisms also contribute to the damage tolerance of the materials by inhibiting crack propagation in W.},

  doi          = {10.1016/j.matdes.2016.06.013},

  journal      = {Materials & Design},

  number       = C,

  volume       = 106,

  place        = {United States},

  year         = {2016},

  month        = {6}

}

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