Microstructure and Texture Evolution of GWS841 Magnesium Alloy During Hot Extrusion.

Lipeng Yan, Shuwen He, Guang Su, Zhen Feng, Nannan Wang, Hongjiang Zheng, Zhaohui Li

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Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Lipeng YanSchool of Materials Science and Engineering, Henan Institute of Technology, Xinxiang 453003, China.

Shuwen HeSchool of Materials Science and Engineering, Henan Institute of Technology, Xinxiang 453003, China.

Guang SuSchool of Materials Science and Engineering, Henan Institute of Technology, Xinxiang 453003, China.

Zhen FengSchool of Materials Science and Engineering, Henan Institute of Technology, Xinxiang 453003, China.ORCID 0000-0001-8029-7032

Nannan WangLuoyang College, Civil Aviation Flight University of China, Luoyang 471000, China.ORCID 0009-0001-1039-2867

Hongjiang ZhengSchool of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China.

Zhaohui LiSchool of Materials Science and Engineering, Henan Institute of Technology, Xinxiang 453003, China.

Funding

Fundamental Research Funds for the Central Universities No. 25CAFUC03123Key Scientific and Technological Project of Henan Province No.262102241059, No.252102220075Training Program for Young Backbone Teachers in Higher Education Institutions of Henan Province No.2025GGJS177

6 · The paper itself

Abstract

In this experiment, the solid solution GWS841 magnesium alloy was deformed by hot extrusion at 500 °C. EBSD was used to analyze the evolution of microstructure and texture under different degrees of deformation. The results showed that the average grain size decreased from 75.8 μm to 3.2 μm and the DRX fraction increased from 5.6 ± 1.5% (position A) to 84.5 ± 3.8% (position D). The fraction of low-angle grain boundaries (LAGB) first increased and then decreased with the increase in deformation ratio. Three main nucleation mechanisms operate during hot extrusion: twin-induced dynamic recrystallization, continuous dynamic recrystallization and discontinuous dynamic recrystallization, with continuous dynamic recrystallization as the dominant nucleation mechanism. A fiber texture was formed during the extrusion process, which originated from the non-DRXed grains and the intensity of the fiber texture first increased and then decreased with the increase in the deformation ratio. The DRXed grains formed the fiber texture.

Indexed as

DRXGWS841 magnesium alloyhot extrusionmicrostructuretexture

Identifiers

PMID42738195

DOI10.3390/ma19173760

PMCPMC13566956

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