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124438 |
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|a dc
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|a Zhang, Jinyong
|e author
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|a Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
|e contributor
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|a Massachusetts Institute of Technology. Department of Materials Science and Engineering
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|a Sun, Fan
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|a Chen, Zheng
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|a Yang, Yang
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|a Shen, Baolong
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|a Li, Ju
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|a Prima, Frédéric
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|a Strong and ductile beta Ti-18Zr-13Mo alloy with multimodal twinning
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|b Informa UK Limited,
|c 2020-03-30T20:58:05Z.
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|z Get fulltext
|u https://hdl.handle.net/1721.1/124438
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|a Body-centred cubic (BCC) Ti-18Zr-13Mo (wt%) alloy displays excellent yield strength (≈800 MPa), stable hardening (rate > 1500 MPa) and uniform ductility >18%, resulting from multi-TWIP (multiple twinning-induced plasticity) strengthening effect. This multimodal mechanisms include micro-scale {332}<113> deformation twinning (DT), nano-scale {112}<111> DT and a rare {5 8 11}<135> DT mode. Martensitic phase transformation is completely suppressed and the sample stays a single-phase solid solution throughout the deformation. In situ electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM) were used to characterize the multi-TWIP and dynamic Hall-Patch effect, with dislocation slip and large grain distortions at twin interfaces. © 2019
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|a State Key Laboratory of Materials Processing and Die and Mould Technology, Huazhong University of Science and Technology (Grant no. P2018-008)
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|a China Postdoctoral Science Foundation (Grant number 2018M632414)
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|a National Natural Science Foundation of China (Grant no. 51601216)
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|a National Natural Science Foundation of China (Grant no. 51771226)
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|a Fund of State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University (Grant no. 20182008)
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|a en
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|a Article
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|t 10.1080/21663831.2019.1595763
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|t Materials research letters
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