Strong and ductile beta Ti–18Zr–13Mo alloy with multimodal twinning

Jinyong Zhang; Fan Sun; Zheng Chen; Yang Yang; Baolong Shen; Ju Li; Frédéric Prima

doi:10.1080/21663831.2019.1595763

Strong and ductile beta Ti–18Zr–13Mo alloy with multimodal twinning

Jinyong Zhang, Fan Sun, Zheng Chen, Yang Yang, Baolong Shen, Ju Li, Frédéric Prima

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

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Abstract

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.

Original language	English (US)
Pages (from-to)	251-257
Number of pages	7
Journal	Materials Research Letters
Volume	7
Issue number	6
DOIs	https://doi.org/10.1080/21663831.2019.1595763
State	Published - Jun 3 2019

All Science Journal Classification (ASJC) codes

General Materials Science

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10.1080/21663831.2019.1595763

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title = "Strong and ductile beta Ti–18Zr–13Mo alloy with multimodal twinning",

abstract = "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.",

author = "Jinyong Zhang and Fan Sun and Zheng Chen and Yang Yang and Baolong Shen and Ju Li and Fr{\'e}d{\'e}ric Prima",

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TY - JOUR

T1 - Strong and ductile beta Ti–18Zr–13Mo alloy with multimodal twinning

AU - Zhang, Jinyong

AU - Sun, Fan

AU - Chen, Zheng

AU - Yang, Yang

AU - Shen, Baolong

AU - Li, Ju

AU - Prima, Frédéric

PY - 2019/6/3

Y1 - 2019/6/3

N2 - 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.

AB - 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.

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EP - 257

JO - Materials Research Letters

JF - Materials Research Letters

IS - 6

ER -

Strong and ductile beta Ti–18Zr–13Mo alloy with multimodal twinning

Abstract

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