Effect of Expansion Sphere Diameter on Deformation Behavior of AZ31 Mg Alloy during Extrusion

Che, Bo; Lu, Liwei; Kang, Wei; Zhong, Yinhua; Ma, Min; Liu, Longfei; Wu, Zhiqiang

doi:10.1007/s11665-022-06882-6

Cited by 3 publications

(2 citation statements)

References 25 publications

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“…In recent years, extensive research has been conducted on the poor room temperature formability of Mg alloys, with texture control emerging as a current research hotspot [22][23][24][25][26][27]. Currently, texture control technologies primarily focus on two aspects: trace alloying element addition and plastic deformation processing.…”

Section: Introductionmentioning

confidence: 99%

Asymmetric Extrusion Technology of Mg Alloy: A Review

et al. 2023

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Magnesium (Mg) alloy is a widely used lightweight metal structural material due to its high specific strength and stiffness, excellent damping performance, and recyclability. Wrought Mg alloys are particularly favored in fields such as aerospace, transportation, and biomedical stents. However, most wrought Mg alloys with a hexagonal close-packed (HCP) crystal structure lack sufficient independent slip systems to meet the von Mises criterion for uniform plastic deformation at room temperature. This can result in the formation of a strong basal texture during plastic deformation and poor room temperature plastic formability. Enhancing the room temperature forming performance is therefore a crucial challenge that needs to be addressed in order to expand the application of Mg alloy sheets. Our research group has comprehensively summarized significant work and the latest research progress in improving the room temperature forming of Mg alloy sheets via extrusion technology in recent years. Specifically, we have developed a new type of asymmetric extrusion technology that combines material structure evolution, mechanical properties, and forming behavior analysis. We have elucidated the extrusion process characteristics, texture control mechanism, and forming properties of Mg alloy sheets through plastic deformation mechanisms, mold design, and finite element numerical simulation. The findings of our study present an innovative extrusion technology for the fabrication of highly formable Mg alloy sheets, which can be utilized in various applications.

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Section: Introductionmentioning

confidence: 99%

Asymmetric Extrusion Technology of Mg Alloy: A Review

et al. 2023

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show abstract

“…In recent years, extensive research has been conducted on the poor room temperature forming ability of Mg alloys, with texture control emerging as a current research 7hotspot [22][23][24][25][26][27]. Currently, texture control technologies primarily focus on two aspects: trace alloying elements addition and 2 plastic deformation processing.…”

Section: Introductionmentioning

confidence: 99%

Asymmetric Extrusion Technology of Mg Alloy: A Review

Yang¹,

Zhang²,

Peng³

et al. 2023

Preprint

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Magnesium (Mg) alloy is a widely used lightweight metal structural material due to its high specific strength and stiffness, excellent damping performance, and recyclability. Wrought Mg alloys are widely favored in fields such as aerospace, transportation, and biomedical stents. However, most wrought Mg alloys with a hexagonal close-packed (HCP) crystal structure lack sufficient independent slip systems to meet the von Mises criterion for uniform plastic deformation at room temperature. This can result in the formation of strong basal texture during plastic deformation and poor room temperature plastic forming ability. Improving the room temperature forming performance is a crucial challenge that must be addressed to broaden the application of Mg alloy sheets. Our research group has comprehensively summarized significant work and latest research progress in improving the room temperature forming of Mg alloy sheets via extrusion technology in recent years. Specifically, we have developed a new type of asymmetric extrusion technology that combines material structure evolution, mechanical property, and forming behavior analysis. We have elucidated the extrusion process characteristics, texture control mechanism, and forming properties of Mg alloy sheets through plastic deformation mechanisms, mold design, and finite element numerical simulation. Our findings provide a novel extrusion technology for the fabrication of highly formable Mg alloy sheets, which can be utilized in various applications.

show abstract