Achieving Ultra-High-Strength and Good Ductility of the ZK60 Alloy Sheet by High Strain-Rate Rolling

Songhui Wang,Wencong Zhang,Jianlei Yang, Xeuyan Jiao,Jinqi Pan,Guannan Chu,Xiangyu Dai

METALS AND MATERIALS INTERNATIONAL（2022）

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摘要

A superior combination of the ultra-high tensile strength (~ 419.9 MPa), the yield strength (~ 376.9 MPa) and the elongation (~ 14.8%) ZK60 sheet was successfully achieved by high-strain rate rolling. The ultrahigh strength was attributed to the uniform ultrafine-grained structure. The excellent ductility was ascribed to the ultrafine grains, low dislocation density and weakened basal texture in the final structure. Graphical Abstract

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关键词

Mg alloy,Ultrahigh-strength,Fine-grain,Texture,High strain-rate rolling

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