scholarly journals Effect of Mean Stress on Surface Fatigue Crack Propagation under Constant Amplitude Stressing and Periodic Overstressing.

1991 ◽  
Vol 40 (454) ◽  
pp. 921-926
Author(s):  
Kazutaka FUJITA ◽  
Ryoichi KOTERAZAWA ◽  
Noboru TANIMOTO
Keyword(s):  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Mean Stress ◽  
Constant Amplitude ◽  
Surface Fatigue ◽  
Surface Fatigue Crack

Simulation of Surface Fatigue Crack Propagation in UHMWPE Tibial Components for Total Knee Replacement

1999 ◽  
Author(s):  
Jaime A. Estupiñán ◽  
Donald L. Bartel ◽  
Timothy M. Wright
Keyword(s):  
Fatigue Crack ◽  
Total Knee Replacement ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Knee Replacement ◽  
Three Dimensional ◽  
Surface Fatigue ◽  
Realistic Description ◽  
Total Knee ◽  
Surface Fatigue Crack

Abstract A simulation of surface fatigue damage to ultra-high molecular weight polyethylene (UHMWPE) components in total knee replacement is presented. Results of simulations of surface fatigue crack propagation were consistent with observed clinical damage. Extensions of these analyses to incorporate a more realistic description of the constitutive and fracture behavior of UHMWPE and three dimensional geometry are discussed.

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