Paper Title:
Estimating Energy Dissipation of Ceramics via H-E Ratio
  Abstract

Mechanical properties of ceramics are important for its engineering application. It would be significant and efficient if some properties could be estimated without tests. Energy dissipation capacity of ceramics is estimated in this work via two common parameters, hardness and elastic modulus, which could be obtained from basic data of commercial ceramics or simple tests. The ratio of hardness to reduced modulus H/Er is found to be related to recovery resistance and energy dissipation capacity of the materials, and the related equations were induced. The reduced modulus can be expressed by conventional elastic modulus E. Thus, the capacity of energy dissipation and elastic recovery can be estimated simply from the H/E ratio. The calculated results indicate that the value of H/E ratio is in reverse proportion to the energy dissipation. Several ceramics with different H/E ratio are analyzed and their energy dissipation capacities are estimated.

  Info
Periodical
Key Engineering Materials (Volumes 434-435)
Edited by
Wei Pan and Jianghong Gong
Pages
205-208
DOI
10.4028/www.scientific.net/KEM.434-435.205
Citation
Y. W. Bao, D. T. Wan, Y. Qiu, "Estimating Energy Dissipation of Ceramics via H-E Ratio", Key Engineering Materials, Vols. 434-435, pp. 205-208, 2010
Online since
March 2010
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Price
$32.00
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