首页|Effect of cerium alloying on microstructure,texture and mechanical properties of magnesium during cold-rolling process

Effect of cerium alloying on microstructure,texture and mechanical properties of magnesium during cold-rolling process

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Hot-extrusion and cold-rolling were conducted on Mg-Ce binary alloys to explore the effect of cerium(Ce)on microstructure,texture and mechanical properties of Mg alloys.The addition of Ce results in significant grain refinement both in as-cast and hot-extruded samples.The basal texture is also weak-ened after extrusion and an inclined basal texture is formed with Ce addition.The strength and elon-gation of the Mg-Ce alloys are improved simultaneously due to such grain refinement and texture weakening effect.After cold-rolling,plenty of twins are found in the pure Mg and AZ31 plates while grains in the Mg-0.3Ce plate deform more uniformly without lamellar twin structure.Furthermore,Mg-0.3Ce alloys own strong and continuous strain hardening because Ce atoms and Mg-Ce precipitated phases serve as obstacles for dislocation slip.

Mg-Ce alloysHot extrusionCold-rollingRare earths

Zhen Zhang、Huanhuan Chen、Shiju Cao、Jinhua Peng、Peng Guo、Chang Long、Shan Wang、Chang Chen、Yong Wu、Ji'an Huang、Xiaodong Du、Haigen Wei

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School of Materials Science and Engineering,Hefei University of Technology,Hefei,230009,China

National-Local Joint Research Center of Non-ferrous Metal Materials and Processing Technology,Hefei,230009,China

Laboratory of Nonferrous Metal Material and Processing Engineering of Anhui Province,Hefei,230009,China

School of Materials Science and Engineering,Jiangsu University of Science and Technology,Zhenjiang,212003,China

Institute of Industry and Equipment Technology,Hefei University of Technology,Hefei,230009,China

Faculty of Materials Metallurgy and Chemistry,Jiangxi University of Science and Technology,Ganzhou,341000,China

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国家自然科学基金国家自然科学基金中央高校基本科研业务费专项Science and Technology Agency of Anhui ProvinceScience and Technology Agency of Anhui ProvinceIntelligent Manufacturing Institute of HFUT

5187108451401072JZ2019HGTB0072202104a050200472022a05020032IMICZ2019003

2024

10.1016/j.jre.2023.05.012

稀土学报(英文版)
中国稀土学会

稀土学报(英文版)

CSTPCDEI
影响因子：1.3
ISSN：1002-0721
年,卷(期)：2024.42(5)
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