Effect of minor Sc and Zr addition on grain refinement of as-cast AI-Zn-Mg-Cu alloys

• 作 者: He Yongdong Zhang Xinming Cao
• 机 构: CentralSouthUniversity
• 出 处: 中国铸造：英文版
• 发表日期: 2009年3期
• 关键词: GRAIN size NUCLEATION and growth microstructure
• 基金项目: The project is supported by the National Natural Science Foundation of China (No. 2005CB623706).

The optical microscopy and scanning electron microscopy as well as energy dispersive spectroscopy were employed to investigate the influence of joint addition of Sc and Zr on grain refinement of AI-Zn-Mg-Cu alloys.Results show that the addition of 0.20% S