Mixed-mode fracture initiation in a ductile material with a dual population of second-phase particles

1996 ◽  
Vol 211 (1-2) ◽  
pp. 117-127 ◽  
Author(s):  
A.K. Ghosal ◽  
R. Narasimhan
Keyword(s):  
Mixed Mode ◽  
Fracture Initiation ◽  
Ductile Material ◽  
Mixed Mode Fracture ◽  
Second Phase ◽  
Mode Fracture ◽  
Second Phase Particles

Mixed Mode Fracture Toughness of Engineering Materials

1995 ◽  
Vol 117 (4) ◽  
pp. 391-394 ◽  
Author(s):  
S. V. Kamat ◽  
J. P. Hirth
Keyword(s):  
Fracture Toughness ◽  
Mixed Mode ◽  
Mechanistic Model ◽  
Void Formation ◽  
Mixed Mode Fracture ◽  
Second Phase ◽  
Mixed Mode Loading ◽  
Mode Fracture ◽  
Second Phase Particles ◽  
Engineering Materials

The effect of mixed mode loading on the fracture toughness of engineering materials is rationalized in terms of the operative fracture mechanism as well as the deformation field ahead of the crack tip. It was found that mixed mode fracture is of utmost importance in materials which fail by stable ductile fracture caused by second phase particles, since in such materials there is a significant reduction in fracture toughness on mixed-mode loading. An autocatalytic shear localization-void formation mechanistic model was found to qualitatively explain the mixed mode fracture behavior in such materials.

Mixed mode fracture initiation and trajectory prediction under random stresses

1990 ◽  
Vol 45 (1) ◽  
pp. 19-34 ◽  
Author(s):  
M. Grigoriu ◽  
M. T. A. Saif ◽  
S. El Borgi ◽  
A. R. Ingraffea
Keyword(s):  
Mixed Mode ◽  
Fracture Initiation ◽  
Mixed Mode Fracture ◽  
Trajectory Prediction ◽  
Mode Fracture
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