Paper Title:
Mechanical Behaviors of Foam Nickel Ceramic
  Abstract

The uniaxial tensions for foam nickel ceramic specimens with different relative densities are carried out on a CSS-44020 Universal Electronic Test Machine at ambient temperature, and the uniaxial tensile tests at various strain rates and temperatures are performed as well. The effects of relative density, strain rate and temperature on the elastic modulus are investigated. It is found that the elastic modulus of the foam nickel ceramic material increases with the density and stain rate, while decreases with the temperature. Simultaneously, the effects of relative density, strain rate and temperature on the yield strength of the foam nickel ceramic material are studied. It is shown that the yield stress increases with relative density and strain rate, but is reversed with increasing temperature. The comparison between the calculated result and experimental data demonstrates that the theoretical model can well predict the mechanical behavior of foam nickel ceramic material.

  Info
Periodical
Key Engineering Materials (Volumes 434-435)
Edited by
Wei Pan and Jianghong Gong
Pages
693-696
DOI
10.4028/www.scientific.net/KEM.434-435.693
Citation
R. G. Zhao, C. Z. Chen, X. Y. Luo, "Mechanical Behaviors of Foam Nickel Ceramic", Key Engineering Materials, Vols. 434-435, pp. 693-696, 2010
Online since
March 2010
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Price
$32.00
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