The effect of scandium addition on microstructure and mechanical properties of Al-Si-Mg alloy: A multi-refinement modifier
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- 作者：Cong Xua ; xucong55555@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Wenlong Xiaoa ; wlxiao@buaa.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Shuji Hanadab ; Hiroshi Yamagatac ; Chaoli Maa
- 关键词：Scandium ; Microstructure ; Mechanical properties ; Multi-refining efficiency ; Fracture
- 刊名：Materials Characterization
- 出版年：2015
- 出版时间：December 2015
- 年：2015
- 卷：110
- 期：Complete
- 页码：160-169
- 全文大小：3178 K
文摘
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Detailed characterization of the multi-refining microstructure of Sc modified F357 alloy was performed.
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The multi-refinement was proposed to refine grain and SDAS, modify eutectic Si and β-phase.
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Sc modifier combined with T6 treatment is effective in improving tensile properties.
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Modification of eutectic Si in F357 alloy with Sc is consistent with the IIT mechanism.