Investigation into the role of rare earth oxides in controlling the microstructure and enhancing the mechanical and corrosion properties of as-cast Al-Si-Mg alloys

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成果类型：

期刊论文

作者：

Wei Chen;Xinru Xu;Peipei Jiang;Wei Qiu;Lang Gan;...

通讯作者：

Wei Chen<&wdkj&>Yongcheng Lin

作者机构：

[Wei Chen; Xinru Xu; Wei Qiu; Lang Gan; Kang Chen; Cong Li; Jian Chen] School of Energy and Power Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China

[Peipei Jiang] School of Resources Environment and Safety Engineering, University of South China, Hengyang, Hunan 421001, China

[Daoguang He; Yongcheng Lin] School of Mechanical and Electrical Engineering, Central South University, Changsha, Hunan 410083, China

通讯机构：

[Wei Chen; Yongcheng Lin] S

School of Mechanical and Electrical Engineering, Central South University, Changsha, Hunan 410083, China<&wdkj&>School of Energy and Power Engineering, Changsha University of Science & Technology, Changsha, Hunan 410114, China

语种：

英文

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2025

卷：

1021

页码：

179708

DOI：

10.1016/j.jallcom.2025.179708

基金类别：

CRediT authorship contribution statement Chen wei: Writing – review & editing, Writing – original draft, Project administration, acquisition. Xu Xinru: Writing – original draft, Software, Investigation, Formal analysis, Data curation. Jiang Peipei: Resources, Methodology, Formal analysis, Data curation. Chen Jian: Software, Project administration. He Daoguang: Software, Resources, Methodology, Investigation. Lin Yongcheng: Writing – review & editing, Validation, Supervision, Project administration. Qiu Wei: Resources,

机构署名：

本校为第一且通讯机构

院系归属：

能源与动力工程学院

摘要：

This study examines the impact of the rare earth oxide La 2 O 3 on the microstructure, mechanical and corrosion resistance properties of as-cast Al-Si-Mg (A356) alloys, with a specific focus on the A356 alloy. By incorporating varying amounts of La 2 O 3 (0 wt%, 0.2 wt%, 0.3 wt%, and 0.4 wt%) into the A356 alloy, four samples (AL0, AL2, AL3, and AL4) were produced. The findings demonstrate that an optimal addition of La 2 O 3 (0.3 wt%) can effectively reduce the secondary dendrite arm spacing (SDAS), refine the eutectic Si phase, and modif...

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Investigation into the role of rare earth oxides in controlling the microstructure and enhancing the mechanical and corrosion properties of as-cast Al-Si-Mg alloys

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