Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2969784
Title: Size-dependent "malleable-to-brittle" transition in a bulk metallic glass
Authors: Wu, W.F.
Han, Z.
Li, Y. 
Issue Date: 2008
Source: Wu, W.F., Han, Z., Li, Y. (2008). Size-dependent "malleable-to-brittle" transition in a bulk metallic glass. Applied Physics Letters 93 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2969784
Abstract: We report a size-dependent malleability in a Zr-based bulk metallic glass (BMG) under both as-cast and annealed states. A "malleable-to-brittle" transition occurred at a critical sample size of 3 mm in diameter, below which the sample yielded with a consistent strength and above which the sample fractured in a brittle manner with decreasing strength. With minimization of the free volume effect by annealing, it was ascertained that this transition was due to the geometrical size effect rather than the free volume effect. The sharp decrease in strength for BMG within the brittle region was explained in terms of flaw sensitivity. © 2008 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/65001
ISSN: 00036951
DOI: 10.1063/1.2969784
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