Paper Title:
Fatigue Crack Propagation in Friction Stir Welded Joints of Particulate Metal-Matrix Composite
  Abstract

In this work the fatigue crack growth properties of friction stir welded butt joints are evaluated. Fatigue Crack Growth (FCG) tests have been carried out on two particle-reinforced aluminium alloys (AA6061/Al2O3/20p and AA7005/Al2O3/10p). FCG properties have been evaluated at the centre and at the side of the weld, respectively. The results are compared with FCG properties of base materials. The role of alumina in particles inside the matrix is evident in the threshold region: this can be explained in terms of Roughness Induced Crack Closure.

  Info
Periodical
Key Engineering Materials (Volumes 348-349)
Edited by
J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel
Pages
261-264
DOI
10.4028/www.scientific.net/KEM.348-349.261
Citation
A. Pirondi, L. Collini, D. Fersini, "Fatigue Crack Propagation in Friction Stir Welded Joints of Particulate Metal-Matrix Composite ", Key Engineering Materials, Vols. 348-349, pp. 261-264, 2007
Online since
September 2007
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Price
$32.00
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