Engineering the deformation-induced martensitic transformation in a medium Mn steel containing core-shell austenite particles

Liu, Shichun; Chai, Jun; Wan, Xinhao; Wang, Yan; Yang, Zhigang; Van Der Zwaag, Sybrand; Chen, Hao

Engineering the deformation-induced martensitic transformation in a medium Mn steel containing core-shell austenite particles

Journal article (2025)

Authors

Shichun Liu Tsinghua University

Jun Chai Tsinghua University

Xinhao Wan Tsinghua University

Yan Wang Tsinghua University

Zhigang Yang Tsinghua University

Sybrand Van Der Zwaag Group Garcia Espallargas - Aerospace Engineering , Tsinghua University

Hao Chen Tsinghua University

Research Group

Research Data and Software

Retained austenite Chemical boundary engineering Mechanical stability Chemically heterogeneous Deformation induced martensite transformation

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Published Date

2025

Language

English

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Research Group

Research Data and Software

Abstract

This work further investigated the mechanical properties of chemically heterogeneous core-shell austenite. It demonstrated the ability to enhance work hardening capacity and mitigate the formation of the Lüders band. Both experiments and molecular dynamics simulations confirmed that the Mn chemical boundary acts as a barrier to martensitic transformation during deformation.