Paper Title:

Heat Treatment and Morphology Study of Mg-Zn-Y Quasicrystal Alloys

Periodical Advanced Materials Research (Volumes 189 - 193)
Main Theme Manufacturing Process Technology
Edited by Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages 3824-3827
DOI 10.4028/www.scientific.net/AMR.189-193.3824
Citation Zhi Feng Wang et al., 2011, Advanced Materials Research, 189-193, 3824
Online since February, 2011
Authors Zhi Feng Wang, Wei Min Zhao, Hai Peng Li, Yue Mei Wang
Keywords Heat Treatment, Magnesium Alloy, Mg-Zn-Y Alloy, Morphology, Quasicrystal
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Abstract

Mg72.5Zn26Y1.5 quasicrystal alloys were treated under different heat treatment process. The microstructures of the alloys were investigated. The quasicrystal and eutectic morphologies and their transformation during heat treatment process were detailedly studied. The results showed that lamellar and dendritic eutectic phases throughout the matrix were evidently formed under heat treatment process 310°C×30min water quenched and 310°C×30min liquid nitrogen deep cooling, respectively. Furthermore, quasicrystals of dragonfly-like and bulk polygon morphology were formed under heat treatment process 575°C×15min water quenched and 700°C×2min cooled with furnace, respectively. Various morphologies’ transformation mechanism during heat treatment process were also studied.