Cracking in a Fe–25Mn–3Si–3Al Steel

Xiaoyang Fang; Lihui Zhang; Wei Liu; Kangying Shu; Youtong Fang; Yuewu Zeng; Liang Meng; Jiabin Liu

doi:10.1080/21663831.2014.915433

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Cracking in a Fe–25Mn–3Si–3Al Steel

Original Reports | 更新时间：2026-08-19

- Cracking in a Fe–25Mn–3Si–3Al Steel
- Materials Research Letters Vol. 2, Issue 4, Pages: 204-208(2014)
- 作者机构：
  
  1. Department of Materials Science and Engineering Zhejiang University
  2. Department of Materials Science and Engineering China Jiliang University
  3. Department of Materials Science and Engineering Zhejiang University Hangzhou People's Republic of China,310027
  4. College of Electrical Engineering Zhejiang University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.915433
  CLC：
- Online First：08 May 2014，
  
  Published：2014
- 稿件说明：
移动端阅览
Xiaoyang Fang, Lihui Zhang, Wei Liu, et al. Cracking in a Fe–25Mn–3Si–3Al Steel[J]. Materials Research Letters, 2014, 2(4): 204-208.
DOI：

Xiaoyang Fang, Lihui Zhang, Wei Liu, et al. Cracking in a Fe–25Mn–3Si–3Al Steel[J]. Materials Research Letters, 2014, 2(4): 204-208. DOI： 10.1080/21663831.2014.915433.

摘要

Abstract

Fe–25Mn–3Si–3Al steels obtained much attention because of their excellent mechanical properties. However

the fracture behavior of the steels remains unclear. In this study

Fe–25Mn–3Si–3Al steels were

ex situ

tensile strained and tested by a transmission electron microscope to investigate the relationship between crack and twins. The propagation of crack was examined and related to the dislocation slip and twinning. Cracks initiate related to the moving of dislocations and propagate along the slip bands. Twins parallel and inclined to the crack are produced during crack propagating. The inclined twins notably block and blunt the crack

whereas the parallel twins exhibit an insignificant effect.

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