Paper Title:

Heterogeneous Nucleation for AZ91 with In Situ Synthesis Al4C3

Periodical Advanced Materials Research (Volumes 97 - 101)
Main Theme Manufacturing Science and Engineering I
Edited by Zhengyi Jiang and Chunliang Zhang
Pages 1069-1072
DOI 10.4028/www.scientific.net/AMR.97-101.1069
Citation Xue Quan Luo et al., 2010, Advanced Materials Research, 97-101, 1069
Online since March, 2010
Authors Xue Quan Luo, Hong Min Guo, Xiang Jie Yang
Keywords Al4C3, Heterogeneous Nucleation, MgAl Alloy
Price US$ 28,-
Article Preview
View full size
Abstract

Heterogeneous nucleation is a critical factor for grain refinement magnesium alloys. The paper reports the Al-9wt.%Mg-10wt.%SiCp master alloy were prepared by adding SiCp into the Al-Mg molten with stirring in 610-595℃, which were introduced into AZ91. Experimental results indicated Al4C3 were in situ synthesis on the surface of SiCp by the reaction between SiCp and Al in 850℃, which could be as nucleant substrate for primary Mg during the solildification of magnesium alloys. This investigation provided a novel idea for grain refinement Mg-Al alloy.