Effect of grain boundary segregation on microstructure and mechanical properties of ultra-fine grained Mg–Al–Ca–Mn alloy wires

Zuo, Jing; Nakata, T.; Xu, Cheng; Xia, Y.P.; Shi, Hailong; Wang, X.J.; Tang, Guangze; Gan, Weimin; Maawad, Emad; Fan, Guohua; Kamado, Shigeharu; Li, Geng

doi:10.1016/j.msea.2022.143423

Cited by 22 publications

(1 citation statement)

References 49 publications

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“…However, few studies have been conducted on the distribution of Cr and Ni elements in the NG/UFG metastable austenitic stainless steel microstructures containing BCC structure. Besides, solute segregation may affect the mechanical properties of materials [29][30][31]. For example, Kim et al [29] found that Ni element segregation affects the deformation-induced martensitic transformation by altering the local chemical composition and austenite stability while studying the coarse-grained (45-150 μm) additively manufactured 304 L stainless steel.…”

Section: Introductionmentioning

confidence: 99%

Effect of element segregation on deformation mechanisms of nano/ultrafine-grained 304 stainless steel

Zhao

Liu

et al. 2023

Materials Science and Technology

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The effect of Cr and Ni element segregation on austenite stability and deformation mechanisms of nano/ultrafine-grained 304 stainless steel obtained by cryogenic rolling plus annealing treatment was systematically studied. The results showed that the nano/ultrafine-grained steel had a good combination of strength and ductility (yield strength ∼896 MPa, tensile strength ∼977 MPa, and elongation ∼39.6%). According to the findings, the formation of Cr segregation in the body-centered cubic structure at the intersection of austenite grain boundaries and localised austenite grains with low Ni content reduced the austenite stability of the nano/ultrafine-grained steel and promoted the generation of strain-induced martensite during plastic deformation, resulting in the deformation mechanism dominated by the transformation-induced plasticity effect.

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Section: Introductionmentioning

confidence: 99%

Effect of element segregation on deformation mechanisms of nano/ultrafine-grained 304 stainless steel

Zhao

Liu

et al. 2023

Materials Science and Technology

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Effect of ultrasonic surface rolling process on microstructure and properties of rolled Mg-Y-Nd-Zr alloy

Liu

Sun

et al. 2023

J Mater Sci

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Role of Mn Addition in Tuning the Microstructure and Mechanical Properties of Mg-Al-Ca Dilute Alloy

Sun

et al. 2022

J. of Materi Eng and Perform

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Effect of grain boundary segregation on microstructure and mechanical properties of ultra-fine grained Mg–Al–Ca–Mn alloy wires

Cited by 22 publications

References 49 publications

Effect of element segregation on deformation mechanisms of nano/ultrafine-grained 304 stainless steel

Effect of element segregation on deformation mechanisms of nano/ultrafine-grained 304 stainless steel

Effect of ultrasonic surface rolling process on microstructure and properties of rolled Mg-Y-Nd-Zr alloy

Role of Mn Addition in Tuning the Microstructure and Mechanical Properties of Mg-Al-Ca Dilute Alloy

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