Microstructure and Mechanical Properties of ε-Phase-Reinforced ZnAl4Y Matrix Composite Prepared by Mixed Solid-Liquid Casting

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• 作者：Hao Tu (1)
  Jianfeng Huang (1) (2)
  Xuping Su (1)
  Tao Li (1) (3)
  Lingling Jiang (1) (2)
  Jianhua Wang (1)
  
• 关键词：mechanical properties ; microstructure ; mixed solid ; liquid casting ; ZnAl4Y alloy
• 刊名：Journal of Materials Engineering and Performance
• 出版年：2014
• 出版时间：March 2014
• 年：2014
• 卷：23
• 期：3
• 页码：843-849
• 全文大小：2,024 KB
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• 作者单位：Hao Tu (1)
  Jianfeng Huang (1) (2)
  Xuping Su (1)
  Tao Li (1) (3)
  Lingling Jiang (1) (2)
  Jianhua Wang (1)
  
  1. Key Laboratory of Advanced Metal Materials of Changzhou City, Changzhou University, Changzhou, 213164, Jiangsu, People’s Republic of China
  2. Nanxing Furniture Machinery and Equipment Company Limited, Dongguang, 523948, Guangdong, People’s Republic of China
  3. Nanshan Light Alloy Co., Longkou, 265700, Shandong, People’s Republic of China
  
• ISSN：1544-1024

文摘

ε-Phase-reinforced ZnAl4Y matrix composite has been fabricated by mixed solid-liquid casting method. The results show that the size of primary η-Zn phase in the composite decreases remarkably with the increase of adding amount of Cu-10wt.%Al powders till it reaches 6.0?wt.% in ZnAl4Y alloy. Besides, a large amount of small ε-phase particles form in ZnAl4Y matrix when the adding amount of Cu-10wt.%Al powders is in the range of 4.0-6.0?wt.% in ZnAl4Y alloy. Coarse ε-phase particles forms when the adding amount of Cu-10wt.%Al powders exceeds 8.0?wt.% in ZnAl4Y alloy. Compared with ZnAl4Y alloy, the composite could obtain optimal mechanical properties when the added amount of Cu-10wt.%Al powders is 6.0?wt.%.