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Comparison Approach on Mechanical Behavior of Al /Cr Nano-Interface and Cu/Cr Nano-Interface

Author(s): Liqiang Zhang, Ping Yang, Chun Li, Xuenan Wang, Xialong Li, Yanfang Zhao.

Abstract:

A characteristic comparison approach between Al/Cr and Cu/Cr nano-interfaces is developed for investigation of the potential probability to change the mechanical properties in the metal-matching nano-interface by considering thermal cycling and no-thermal cycling modes. The Cu/Cr interface and Al/Cr interface are prepared by using the magnetron sputtering. The nanoindentation method is used to test the mechanical properties of these metal-matching nano-interfaces. The elastic modulus and the hardness of Cu/Al are improved by the thermal cycling loading; but the thermal cycling has no effect on the Al/Cr nano-interfaces. The investigation reveals a potential probability that the mechanical properties of the Cu/Cr nano-interface can be enhanced by changing the thermal cycling loading mode. It builds a basis for the future work to explore the property and application of metal nano-interface.

Keywords: Al/Cr nano-interface, Cu/Cr nano-interface, experimental test, mechanical properties, thermal cycling.

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Article Details

VOLUME: 8
ISSUE: 5
Year: 2012
Page: [715 - 719]
Pages: 5
DOI: 10.2174/157341312802884526
Price: $58