Paper Title:
The Ultimate Stress of Small Grain Shellproof Ceramic Composite
  Abstract

According to the microstructures of small grain shellproof ceramic composite, the effective self-consistent method is used to determine the effective stress field of the shellproof ceramic composite. Based on the effective stress field and fracture feature of small grain shellproof ceramic composite, considering the mechanism of growth and coalescence of microvoids, crack nucleation model of the shellproof ceramic composite is built. Under the effect of shearing stress, dislocations slip along slip plane and pile up in matrix grain boundary. Owing to the stress concentration before leading dislocation, there is a stress field around the stress concentration. Letting the maximum tensile stress equal to the theoretic fracture strength of composite matrix, the ultimate stress of small grain shellproof ceramic composite is obtained.

  Info
Periodical
Chapter
Chapter 1: Materials Science and Engineering
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
524-528
DOI
10.4028/www.scientific.net/AMM.121-126.524
Citation
Q. X. Liu, J. F. Yang, "The Ultimate Stress of Small Grain Shellproof Ceramic Composite", Applied Mechanics and Materials, Vols. 121-126, pp. 524-528, 2012
Online since
October 2011
Export
Price
$32.00
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