Paper Title:
The Effect of Random Spectrum on the Fatigue Life of Hybrid Metal Matrix Composites
  Abstract

This research makes comparisons of empirical fatigue-lives between AC8A Al alloy and the metal matrix composites (Al/Al2O3, Al/Al2O3/Al2O3p), and also includes comparisons of fatigue-lives between empirical fatigue-lives and estimated fatigue-lives from regular-periodic load testing, acoustic emission (AE) method to predict fatigue-crack initiation before visible in sight and SEM (Scanning Electron Microscope) photographs of each material. According to the test results of the notched specimen, the fatigue life of the hybrid metal matrix composites and the metal matrix composites, which are more brittle than the base matrix was shorter than that of the base matrix under both types of loads. In addition, the fatigue-life estimated from the damage summation method and that from experiments at random loads were fairly identical.

  Info
Periodical
Advanced Materials Research (Volumes 118-120)
Edited by
L.Y. Xie, M.N. James, Y.X. Zhao and W.X. Qian
Pages
336-341
DOI
10.4028/www.scientific.net/AMR.118-120.336
Citation
Y. Q. Wang, H. K. Ku, G. B. Nam, J. I. Song, "The Effect of Random Spectrum on the Fatigue Life of Hybrid Metal Matrix Composites", Advanced Materials Research, Vols. 118-120, pp. 336-341, 2010
Online since
June 2010
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Price
$32.00
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