Effect of minor Sc and Zr addition on grain refi nement of as-cast Al-Zn-Mg-Cu alloys

The optical microscopy and scanning electron microscopy as well as energy dispersive spectroscopy were employed to investigate the infl uence of joint addition of Sc and Zr on grain refi nement of Al-Zn-Mg-Cu alloys.Results show that the addition of 0.20% Sc has a little effect on grain refi nement...

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Bibliographic Details
Main Authors: He Yongdong, Zhang Xinming, Cao Zhiqiang
Format: Article
Language:English
Published: Foundry Journal Agency 2009-08-01
Series:China Foundry
Subjects:
Online Access:http://www.foundryworld.com/uploadfile/200912130592779.pdf