Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5441088 | Journal of Non-Crystalline Solids | 2017 | 4 Pages |
Abstract
We proposed a parameter Ï = (ÎHmc â RÎTemix)/ÎHmc as a criterion for glass-forming ability (GFA) of binary alloys near eutectic composition using the thermodynamic data of the equilibrium phase diagram by considering the relative thermodynamic stability of the liquid phase. The larger Ï is, the larger GFA is in different binary alloy systems. A linear fit of Rc = 7.73 Ã 1023 exp(â 65.26Ï) is obtained, where Rc denotes the critical cooling rate to form glass from liquid. Since Ï is determined directly from thermodynamic data of elements and well known equilibrium phase diagram, GFA of binary alloys can be easily estimated without any thermal measurement after fabrication of BMGs.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Jae Bok Ri, Zi Wen, Qing Jiang,