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|Title:||Thermal stability of the αZn-Mg2Zn11 and αZn-βAl eutectics obtained by Bridgman growth|
|Citation:||Liu, H.Y.,Li, Y.,Jones, H. (1998). Thermal stability of the αZn-Mg2Zn11 and αZn-βAl eutectics obtained by Bridgman growth. Journal of Materials Science 33 (5) : 1159-1164. ScholarBank@NUS Repository.|
|Abstract:||The thermal stability of rod-like αZn-Mg2Zn11 and lamellar αZn-βAl eutectics obtained by Bridgman growth of Zn-3.1 wt% Mg and Zn-5 wt% Al has been studied for soaking times up to 10 h at 300 and 350°C, respectively. Two-dimensional coarsening resulted for αZn-Mg2Zn11 grown at 0.5 and 1 mm s-1 while fault migration was operative for lamellar αZn-βAl grown at 0.1 and 1 mm s-1. Hardness decreased with increased soaking time according to a Hall Petch relationship with mean interphase spacing and the values H0 and kY accord well with the values obtained from the Hall Petch relationship for HV of as-solidified αZn-Mg2Zn11 and αZn-βAl with eutectic interphase spacing, respectively. © 1998 Chapman & Hall.|
|Source Title:||Journal of Materials Science|
|Appears in Collections:||Staff Publications|
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