The evolution of adiabatic shear band in high Co–Ni steel during high strain-rate compression

Xian Yu Li; Zhao Hui Zhang; Xing Wang Cheng; Qiang Wang; Xiao Tong Jia; Dan Wang; Xin Fu Wang

doi:10.1016/j.msea.2022.144173

The evolution of adiabatic shear band in high Co–Ni steel during high strain-rate compression

Xian Yu Li, Zhao Hui Zhang^*, Xing Wang Cheng^*, Qiang Wang, Xiao Tong Jia, Dan Wang, Xin Fu Wang

^*此作品的通讯作者

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

10 引用（Scopus）

摘要

The microstructural evolution and formation mechanism of adiabatic shear band (ASB) in M54 steel were investigated using split Hopkinson pressure bar (SHPB). Specially, the strain response to ASB was analyzed systematically by strain controlling dynamic compression tests at high strain-rates. The results demonstrated that the ASBs started to form at 23% strain and shearing failure strain was increased to 28% at strain-rate of 4000 s⁻¹. The ASBs in the M54 steel was consist of a transformed adiabatic shear bands (T-ASB) and deformed adiabatic shear bands (D-ASB). The evolution of the ASBs was revealed and the generation of fine equiaxed nano-grains within ASBs was attributed to the rotational dynamic recrystallization mechanism. The twinning process was actually the reverse transformation of ω→bcc and the driving force was the lattice instability of martensite matrix caused by carbon redistribution.

源语言	英语
文章编号	144173
期刊	Materials Science and Engineering: A
卷	858
DOI	https://doi.org/10.1016/j.msea.2022.144173
出版状态	已出版 - 14 11月 2022

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title = "The evolution of adiabatic shear band in high Co–Ni steel during high strain-rate compression",

abstract = "The microstructural evolution and formation mechanism of adiabatic shear band (ASB) in M54 steel were investigated using split Hopkinson pressure bar (SHPB). Specially, the strain response to ASB was analyzed systematically by strain controlling dynamic compression tests at high strain-rates. The results demonstrated that the ASBs started to form at 23% strain and shearing failure strain was increased to 28% at strain-rate of 4000 s−1. The ASBs in the M54 steel was consist of a transformed adiabatic shear bands (T-ASB) and deformed adiabatic shear bands (D-ASB). The evolution of the ASBs was revealed and the generation of fine equiaxed nano-grains within ASBs was attributed to the rotational dynamic recrystallization mechanism. The twinning process was actually the reverse transformation of ω→bcc and the driving force was the lattice instability of martensite matrix caused by carbon redistribution.",

keywords = "Adiabatic shear band, High Co–Ni steel, Recrystallization, Strain, Twin",

author = "Li, {Xian Yu} and Zhang, {Zhao Hui} and Cheng, {Xing Wang} and Qiang Wang and Jia, {Xiao Tong} and Dan Wang and Wang, {Xin Fu}",

note = "Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

year = "2022",

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day = "14",

doi = "10.1016/j.msea.2022.144173",

language = "English",

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journal = "Materials Science and Engineering: A",

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T1 - The evolution of adiabatic shear band in high Co–Ni steel during high strain-rate compression

AU - Li, Xian Yu

AU - Zhang, Zhao Hui

AU - Cheng, Xing Wang

AU - Wang, Qiang

AU - Jia, Xiao Tong

AU - Wang, Dan

AU - Wang, Xin Fu

PY - 2022/11/14

Y1 - 2022/11/14

N2 - The microstructural evolution and formation mechanism of adiabatic shear band (ASB) in M54 steel were investigated using split Hopkinson pressure bar (SHPB). Specially, the strain response to ASB was analyzed systematically by strain controlling dynamic compression tests at high strain-rates. The results demonstrated that the ASBs started to form at 23% strain and shearing failure strain was increased to 28% at strain-rate of 4000 s−1. The ASBs in the M54 steel was consist of a transformed adiabatic shear bands (T-ASB) and deformed adiabatic shear bands (D-ASB). The evolution of the ASBs was revealed and the generation of fine equiaxed nano-grains within ASBs was attributed to the rotational dynamic recrystallization mechanism. The twinning process was actually the reverse transformation of ω→bcc and the driving force was the lattice instability of martensite matrix caused by carbon redistribution.

AB - The microstructural evolution and formation mechanism of adiabatic shear band (ASB) in M54 steel were investigated using split Hopkinson pressure bar (SHPB). Specially, the strain response to ASB was analyzed systematically by strain controlling dynamic compression tests at high strain-rates. The results demonstrated that the ASBs started to form at 23% strain and shearing failure strain was increased to 28% at strain-rate of 4000 s−1. The ASBs in the M54 steel was consist of a transformed adiabatic shear bands (T-ASB) and deformed adiabatic shear bands (D-ASB). The evolution of the ASBs was revealed and the generation of fine equiaxed nano-grains within ASBs was attributed to the rotational dynamic recrystallization mechanism. The twinning process was actually the reverse transformation of ω→bcc and the driving force was the lattice instability of martensite matrix caused by carbon redistribution.

KW - Adiabatic shear band

KW - High Co–Ni steel

KW - Recrystallization

KW - Strain

KW - Twin

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DO - 10.1016/j.msea.2022.144173

M3 - Article

AN - SCOPUS:85140142229

SN - 0921-5093

VL - 858

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

M1 - 144173

ER -

The evolution of adiabatic shear band in high Co–Ni steel during high strain-rate compression

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