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Journal of Materials Science

, Volume 44, Issue 17, pp 4728–4733 | Cite as

Microtensile tests of mechanical properties of nanoporous Au thin films

  • Re Xia
  • Caixia Xu
  • Wenwang Wu
  • Xide LiEmail author
  • Xi-Qiao FengEmail author
  • Yi Ding
Article

Abstract

The mechanical properties of nanoporous Au (NPG) thin films were investigated by uniaxial microtensile tests. Such mechanical parameters as Young’s modulus, tensile strength, and breaking strain were obtained from the recorded force–displacement curves. Through observations on the microstructure and fracture surface morphology of the samples after the tension tests by a scanning electronic microscope (SEM) and an optical microscope, we analyzed the physical mechanisms underlying the mechanical behavior of NPG thin films. It was found that the NPG films exhibit mechanical properties distinctly different from its bulk counterpart.

Keywords

Elongation Rate Uniaxial Tension Test Actuate Unit Microtensile Test Ligament Size 

Notes

Acknowledgements

This study is supported by the NSFC (grants No. 10572071, 10732080, and 10525210), the National Basic Research Program of China (grant No. 2007CB936803 and 2004CB619304), the Ministry of Education (grant No. 20070003053), and the Central Laboratory of Strength and Vibration of Tsinghua University. YD is a Tai-Shan Scholar supported by the SEM-NCET and SRF-ROCS Programs.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of Engineering Mechanics, AMLTsinghua UniversityBeijingChina
  2. 2.School of Chemistry and Chemical EngineeringShandong UniversityJinanChina

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