Grain-subdivision-dominated microstructure evolution in shear bands at high rates

Xiaolong Ma; Dexin Zhao; Shwetabh Yadav; Dinakar Sagapuram; Kelvin Y. Xie

doi:10.1080/21663831.2020.1759155

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Grain-subdivision-dominated microstructure evolution in shear bands at high rates

Original Reports | 更新时间：2026-08-19

- Grain-subdivision-dominated microstructure evolution in shear bands at high rates
- Materials Research Letters Vol. 8, Issue 9, Pages: 328-334(2020)
- 作者机构：
  
  1. Department of Materials Science and Engineering Texas A&M University College Station
  2. Department of Materials Science and Engineering Texas A&M University College Station TX USA
  3. Department of Industrial & Systems Engineering Texas A&M University College Station
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1759155
  CLC：
- Online First：19 May 2020，
  
  Published：2020
- 稿件说明：
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Xiaolong Ma, Dexin Zhao, Shwetabh Yadav, et al. Grain-subdivision-dominated microstructure evolution in shear bands at high rates[J]. Materials Research Letters, 2020, 8(9): 328-334.
DOI：

Xiaolong Ma, Dexin Zhao, Shwetabh Yadav, et al. Grain-subdivision-dominated microstructure evolution in shear bands at high rates[J]. Materials Research Letters, 2020, 8(9): 328-334. DOI： 10.1080/21663831.2020.1759155.

摘要

Abstract

BSTRACTShear banding is an important deformation and failure mechanism in metallic systems

especially at high-rate straining. Dynamic recrystallization was often reported to account for the refined microstructure of shear bands but rarely confirmed using direct quantitative measurement. Here

we employ quantitative precession electron diffraction analysis to uncover shear band microstructure in pure titanium. The results reveal that the microstructure is dominated by early stages of grain subdivision process. Dynamic recrystallization is not as prevalent as perceived conventionally. Our results offer key insights into understanding shear banding and highlight the need for quantitative analyses of shear band microstructure.

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