In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure

Feng Lin; Valery I. Levitas; Krishan K. Pandey; Sorb Yesudhas; Changyong Park

doi:10.1080/21663831.2023.2231983

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In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure

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- In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure
- In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure
- 材料研究快报（英文） 2023年11卷第9期页码：757-763
- 作者机构：
  
  1. a Department of Aerospace Engineering Iowa State University Ames
  2. b High Pressure & Synchrotron Radiation Physics Division Bhabha Atomic Research Centre
  3. c HPCAT X-ray Science Division Argonne National Laboratory Argonne
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2231983
  中图分类号：
- 网络首发：2023-07-12，
  
  纸质出版：2023
- 稿件说明：
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Feng Lin, Valery I. Levitas, Krishan K. Pandey, 等. In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure[J]. 材料研究快报（英文）, 2023,11(9):757-763.

Feng Lin, Valery I. Levitas, Krishan K. Pandey, et al. In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure[J]. Materials Research Letters, 2023, 11(9): 757-763.
Feng Lin, Valery I. Levitas, Krishan K. Pandey, 等. In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure[J]. 材料研究快报（英文）, 2023,11(9):757-763. DOI： 10.1080/21663831.2023.2231983.

Feng Lin, Valery I. Levitas, Krishan K. Pandey, et al. In-situ study of rules of nanostructure evolution, severe plastic deformations, and friction under high pressure[J]. Materials Research Letters, 2023, 11(9): 757-763. DOI： 10.1080/21663831.2023.2231983.

摘要

Abstract

Severe plastic deformations under high pressure are used to produce nanostructured materials but were studied ex-situ. Rough diamond anvils are introduced to reach maximum friction equal to yield strength in shear and the first in-situ study of the evolution of the pressure-dependent yield strength and radial distribution of nanostructural parameters are performed for severely pre-deformed Zr. ω-Zr behaves like perfectly plastic

isotropic

and strain-path-independent and reaches steady values of the crystallite size and dislocation density

which are pressure-

strain- and strain-path-independent. However

steady states for α-Zr obtained with smooth and rough anvils are different

causing major challenge in plasticity theory.

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相关机构

a School of Mechanical Engineering Dongguan University of Technology Dongguan

b Shaanxi Key Laboratory of Biomedical Metal Materials Northwest Institute for Nonferrous Metal Research Xi’an

c School of Materials Science and Engineering University of Science & Technology Beijing

a State Key Lab of Metal Matrix Composites Shanghai Jiao Tong University

b School of Materials Science and Engineering Shanghai Jiaotong University Shanghai People’s Republic of China

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