Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7913126 | Scripta Materialia | 2015 | 4 Pages |
Abstract
Elastostatic compression test on Zr60.14Cu22.31Fe4.85Al9.7Ag3 bulk metallic glass (BMG) is conducted at 90% of yielding strength at room temperature. Homogeneous deformation with 0.48% plastic strain is achieved after holding for 5Â days. The deformed BMG shows decreased relaxation enthalpy and increased critical shear stress, yield strength and density under elastostatic compression, namely a mechanical annealing effect. This phenomenon is rationalized in terms of the atomic level stress theory and the coalescence of negative and positive free volume.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Y.M. Wang, M. Zhang, L. Liu,