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Published October 9, 2006 | Published
Journal Article Open

Strong configurational dependence of elastic properties for a binary model metallic glass


In this work, the strong dependence of elastic properties on configurational changes in a Cu–Zr binary metallic glass assessed by molecular dynamics simulations is reported. By directly evaluating the temperature dependence and configurational potential energy dependence of elastic constants, the shear modulus dependence on the specific configurational inherent state of metallic glasses is shown to be much stronger than the dependence on Debye-Grüneisen thermal expansion.

Additional Information

© 2006 American Institute of Physics. (Received 30 March 2006; accepted 21 August 2006; published online 9 October 2006; publisher error corrected 23 October 2006) The authors thank Qing Zhang, Peng Xu, and Guoyun Zhang for many valuable discussions. This work was supported by the Defense Advanced Research Projects Agency (DARPA), Defense Sciences Office under ARO Grant No. DAAD19-01-0525, and the MRSEC Program (Center for the Science and Engineering Materials, CSEM) of the National Science Foundation under Award Nos. DMR-0080065 and DMR-0520565.

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