Nano Archive

Mechanical properties and fracture behavior of the modified Ti-base bulk metallic glass-forming alloys

He, G and Eckert, J and Hagiwara, M (2006) Mechanical properties and fracture behavior of the modified Ti-base bulk metallic glass-forming alloys. Materials Letters, 60 (5). 656 - 661.

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Official URL: http://www.sciencedirect.com/science/article/B6TX9...

Abstract

A Ti–Ni–Cu–Zr bulk metallic glass-forming alloy was modified by adding various percents of Ta for improving plasticity. The modified Ti-base alloys are investigated in terms of microstructure, mechanical properties and fracture behavior. (Ti26Zr12Cu53Ni9)0.7(Ti80Ta20)0.3 contains Ti2Ni particles and α′ + γ-TiCu matrix, and exhibits high yield strength and very high Young's modulus, but zero plasticity. (Ti26Zr12Cu53Ni9)0.5(Ti80Ta20)0.5 contains dendritic β-Ti(Ta) solid solution and α′ + γ-TiCu matrix, and exhibits high yield strength, high Young's modulus and distinct plasticity, showing significant plasticity-improvement after adding 10 at.% Ta into the alloy.

Item Type:Article
Uncontrolled Keywords:Bulk metallic glass; Ti alloy; Nano/ultrafine-structured alloys; Young's modulus; Fracture mechanism
Subjects:Material Science > Nanostructured materials
ID Code:6818
Deposited By:SPI
Deposited On:06 Feb 2010 11:49
Last Modified:06 Feb 2010 11:49

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