Monitoring of surface-fatigue crack propagation in a welded steel angle structure using guided waves and principal component analysis

2012 ◽  
Author(s):  
Mingyu Lu ◽  
Yongwei Qu ◽  
Ye Lu ◽  
Lin Ye ◽  
Limin Zhou ◽  
...  
Keyword(s):  
Principal Component Analysis ◽  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Guided Waves ◽  
Principal Component ◽  
Welded Steel ◽  
Surface Fatigue ◽  
Steel Angle ◽  
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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