Paper Title:
Control Effect on Fatigue Crack Propagation of TiNi Fiber Reinforced PMMA Composites
  Abstract

In this paper, the TiNi fiber reinforced/PMMA (Poly methyl methacrylate) composite is developed, and its effectiveness of controlling fatigue crack growth is studied. The TiNi fiber reinforced/PMMA composite’s mechanical property enhancement and deformation resistance are also studied. The fatigue behavior and crack propagation are observed with a SEM servo-pulser (fatigue testing instrument with scanning electron microscope) while increasing temperature. As the results, it is confirmed that the fatigue life and resistance are improved. How the shape memory effect and expansion behavior of the matrix caused by temperature increasing affect the fatigue crack propagation control is examined. It is verified that the control of fatigue crack growth is attributed to the compressive stress field in the matrix due to shrinkage of the TiNi fibers above austenitic finishing temperature (Af).

  Info
Periodical
Key Engineering Materials (Volumes 297-300)
Edited by
Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
Pages
2929-0
DOI
10.4028/www.scientific.net/KEM.297-300.2929
Citation
C. C. Lee, A. Shimamoto, "Control Effect on Fatigue Crack Propagation of TiNi Fiber Reinforced PMMA Composites ", Key Engineering Materials, Vols. 297-300, pp. 2929-0, 2005
Online since
November 2005
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Price
$32.00
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