A novel insight on the anisotropic Lüders strain of DP780 steel at cryogenic temperature
Anisotropic mechanical behavior and Lüders strain are frequently observed during the deformation of dual-phase (DP) steels. The present study investigates the anisotropic Lüders strain behavior exhibited by DP780 steel under cryogenic temperature tensile testing at varying strain rates. Based on electron backscattering diffraction (EBSD) technology, the effects of the texture evolution of the samples loaded in different directions and the Taylor factor distribution on the anisotropic Lüders strain were revealed. It is found that the formation of anisotropic Lüders strain is affected by the {110} slip system with lower dislocation slip resistance.
Authors
- Hui Zhao (ORCID: https://orcid.org/0000-0002-9350-2848)
- Baodong Shi (ORCID: https://orcid.org/0000-0003-4458-4020)
- Mingyang Jiao (ORCID: https://orcid.org/0000-0001-9928-0767)
- Yan Peng (ORCID: https://orcid.org/0000-0002-1115-2443)
- Xianhua Chen (ORCID: https://orcid.org/0000-0001-8395-5002)
- Zhijia Liu
- Xuejian Yang
Institutions
- Chongqing University (CN)
- Yanshan University (CN)
Publication Details
- Journal
- Materials Research Letters
- Published
- 2025-05-08
- DOI
- https://doi.org/10.1080/21663831.2025.2501060
- Primary Topic
- Microstructure and Mechanical Properties of Steels
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Natural Science Foundation of China
- Fundamental Research Funds for the Central Universities