The characterization of creep and time-dependent properties of bulk metallic glasses using nanoindentation

Autor:	B.C. Wei, Chan Gyu Lee, W.H. Li, Tong Zhang, He Yizhu, Keesam Shin
Rok vydání:	2008
Předmět:	Materials science Amorphous metal Mechanical Engineering Alloy engineering.material Nanoindentation Condensed Matter Physics Viscoelasticity Creep Mechanics of Materials engineering General Materials Science Composite material Deformation (engineering) Glass transition Elastic modulus
Zdroj:	Materials Science and Engineering: A. 478:371-375
ISSN:	0921-5093
DOI:	10.1016/j.msea.2007.06.015
Popis:	Viscoelastic deformation and creep behavior of La- and Ce-based bulk metallic glasses (BMGs) with low glass transition temperature are investigated through nanoindentation at room temperature. Creep compliance and retardation spectra are derived to study the creep mechanism. The time-dependent displacement can be well described by a generalized Kelvin model. A modification is proposed to determine the elastic modulus from the generalized Kelvin model. The results are in excellent agreement with the elastic modulus determined by uniaxial compression tests.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::2113c760790925e5aac8ecdc2eea2fcf https://doi.org/10.1016/j.msea.2007.06.015 Zobrazit plný text záznamu Full Text from ScienceDirect