Microstructure and deformation mechanism of Titanium-based metallic glass matrix composites

Home > Archive>Volume 46, Issue 9, 2017 >2558-2564

Microstructure and deformation mechanism of Titanium-based metallic glass matrix composites
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Affiliation:Institute of Microstructure and Property of Advanced Materials,Beijing University of Technology,College of Materials Science and Engineering,Taiyuan University of Technology,Institute of Microstructure and Property of Advanced Materials,Beijing University of Technology,Institute of Microstructure and Property of Advanced Materials,Beijing University of Technology
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In-situ β-Ti toughening of Ti-based bulk metallic glass matrix composites have been synthesized by the Bridgman solidification, and the microstructure, phase composition and chemical composition of this material has been studied by using XRD, SEM, EBSD, TEM, EDS and three-dimensional reconstruction method. Based on these, the deformation process was studied by using in-situ SEM and EBSD. The results showed that the crystal phase is dendritic morphology, which has the very good connectivity and the secondary dendrite arm of 1~3 μm. The chemical composition of dendritic crystal phase is Ti_62.4 Zr_18.4 Cu_2.6 V_16.6 (at %) and the amorphous matrix is T₄₅Zr_34.8Cu_10.6V_9.6 respectively.

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[GUO Zhen-xi, WANG Yong-sheng, SUI Man-ling, ZHANG Ze. Microstructure and deformation mechanism of Titanium-based metallic glass matrix composites[J]. Rare Metal Materials and Engineering,2017,46(9):2558~2564.]
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Received:May 30,2015
Revised:October 22,2015
Adopted:November 06,2015
Online: November 29,2017
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