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首页> 外文期刊>Journal of Materials Engineering and Performance >Effect of Sc and Sr on the Eutectic Si Morphology and Tensile Properties of Al-Si-Mg Alloy
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Effect of Sc and Sr on the Eutectic Si Morphology and Tensile Properties of Al-Si-Mg Alloy

机译：SC和Sr对Al-Si-Mg合金共晶Si形态和拉伸性质的影响

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摘要

To study the effect of Sc and Sr additions on modifying eutectic silicon particles and mechanical properties for Al-Si-Mg casting alloy, they were added with different amounts in F357 alloy without beryllium addition in the present work. It was found that (0.4 wt.% Sc and 0.04 wt.% Sr)-modified F357 alloy presented the optimal tensile properties when compared with the individual addition of Sc or Sr. This was mainly attributed to the synergic modification of eutectic Si in F357 alloys due to the combined additions of Sc and Sr. The silicon modification mechanisms via Sc and Sr were emphasized to be examined in this paper, and the fracture mechanism of the obtained alloys was also discussed.
机译：为了研究SC和SR添加对改性共晶硅颗粒的影响和用于Al-Si-Mg铸造合金的机械性能，在本工作中没有铍加入，在F357合金中加入不同量。 发现（0.4重量％SC和0.04重量％SR） - 与个体添加SC或Sr相比，呈现最佳拉伸性能。这主要归因于F357中共晶Si的协同改性 由于SC和Sr的组合添加而导致的合金。在本文中强调通过SC和Sr的硅改性机制进行检查，并讨论了所得合金的断裂机制。

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  • 作者

    Xu Cong; Wang Fang; Mudassar Hussain; Wang Chengyuan; Hanada Shuji; Xiao Wenlong; Ma Chaoli;

  • 作者单位

    Beihang Univ BUAA Sch Mat Sci &

    Engn Key Lab Aerosp Adv Mat &

    Performance Minist Educ 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ BUAA Sch Mat Sci &

    Engn Key Lab Aerosp Adv Mat &

    Performance Minist Educ 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ BUAA Sch Mat Sci &

    Engn Key Lab Aerosp Adv Mat &

    Performance Minist Educ 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ BUAA Sch Mat Sci &

    Engn Key Lab Aerosp Adv Mat &

    Performance Minist Educ 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Tohoku Univ Inst Mat Res Sendai Miyagi 9808577 Japan;

    Beihang Univ BUAA Sch Mat Sci &

    Engn Key Lab Aerosp Adv Mat &

    Performance Minist Educ 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ BUAA Sch Mat Sci &

    Engn Key Lab Aerosp Adv Mat &

    Performance Minist Educ 37 Xueyuan Rd Beijing 100191 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 金属学与金属工艺;工程材料学;
  • 关键词

    Al-Si-Mg; mechanical properties; microstructure; modification; Sr and Sc;

    机译：Al-Si-Mg;机械性能;微观结构;修改;SR和SC;

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