Journal
SCRIPTA MATERIALIA
Volume 69, Issue 1, Pages 73-76Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.03.004
Keywords
Bulk metallic glasses; Work-hardening; Precipitation strengthening; Transformation-induced plasticity
Categories
Funding
- National Natural Science Foundation of China [51010001, 51001009]
- 111 Project [B07003]
- Program for Changjiang Scholars and Innovative Research Team in University
- Fundamental Research Funds for the Central Universities
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A Ti-based bulk metallic glass composite showing high fracture strength of 3 GPa, large plasticity of 18.3% and strong work-hardening behavior was developed. It was found that the enhanced properties could be mainly attributed to the severely confined deformation of B2-(Ti, Zr)(Cu, Ni) as a result of the precipitation strengthening from the nanosized ZrTiCu2 and CuTi2 phases located in its grain boundaries. Additionally, the occurrence of the strain-induced martensitic transformation of the B2 phase is also beneficial for the macroscopic properties. (c) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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