Indentation and Friction of Cu44Zr43Al10Nb3 Bulk Metallic Glasses on Nano-Scale

Abstract:

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Indentation and sliding friction of the as-cast, the relaxed and the crystallized Cu44Zr43Al10Nb3 bulk metallic glass (BMG) are investigated on nanoscale by nanoindentation. The depth, the width and the morphology of the scratches formed by the tip of the nanoindentor are different, which reflect the differences in structure, not only between the glassy and the crystallized states but also between the two glassy states, the as-cast and the relaxed. The coefficient of sliding friction of Cu44Zr43Al10Nb3 BMG is increased with increasing the load, and it is maximal for annealed at 683K. Improved plastic deformability is found for the relaxed one.

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Periodical:

Edited by:

Han Zhao

Pages:

2750-2753

DOI:

10.4028/www.scientific.net/AMM.130-134.2750

Citation:

B. R. Sun and Z. J. Zhan, "Indentation and Friction of Cu44Zr43Al10Nb3 Bulk Metallic Glasses on Nano-Scale", Applied Mechanics and Materials, Vols. 130-134, pp. 2750-2753, 2012

Online since:

October 2011

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$35.00

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