A fatigue damage parameter for off-axis unidirectional fibre-reinforced composites

1999 ◽  
Vol 21 (8) ◽  
pp. 849-856 ◽  
Author(s):  
A Plumtree
Author(s):  
P.A. Carraro ◽  
L. Maragoni ◽  
A.S. Paipetis ◽  
M. Quaresimin ◽  
L. Tzounis ◽  
...  

2015 ◽  
Vol 60 (1) ◽  
pp. 101-105 ◽  
Author(s):  
A. Rutecka ◽  
Z.L. Kowalewski ◽  
K. Makowska ◽  
K. Pietrzak ◽  
L. Dietrich

Abstract The results of comparative examinations of mechanical behaviour during fatigue loads and microstructure assessment before and after fatigue tests were presented. Composites of aluminium matrix and SiC reinforcement manufactured using the KoBo method were investigated. The combinations of two kinds of fatigue damage mechanisms were observed. The first one governed by cyclic plasticity and related to inelastic strain amplitude changes and the second one expressed in a form of ratcheting based on changes in mean inelastic strain. The higher SiC content the less influence of the fatigue damage mechanisms on material behaviour was observed. Attempts have been made to evaluate an appropriate fatigue damage parameter. However, it still needs further improvements.


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