scholarly journals Fracture Load Estimation Method for LSI Ceramic Packages Using Stress Intensity Factors.

1995 ◽  
Vol 11 (4) ◽  
pp. 20-26 ◽  
Author(s):  
Masahiro Ishibashi
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Estimation Method ◽  
Fracture Load ◽  
Load Estimation ◽  
Intensity Factors

Surface flaw distributions in brittle materials and Hertzian fracture

1994 ◽  
Vol 9 (12) ◽  
pp. 3194-3202 ◽  
Author(s):  
P.D. Warren ◽  
D.A. Hills ◽  
S.G. Roberts
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Analytical Approximation ◽  
Fracture Load ◽  
Surface Flaw ◽  
Contact Radius ◽  
Intensity Factors ◽  
Random Surface ◽  
Indentation Tests ◽  
Sphere Radius

Refined mode I and mode II stress intensity factors for short cracks perpendicular to a free surface driven by a Hertzian indenter have been calculated for the case where the sphere and substrate are made of the same material. Computer simulations of Hertzian indentation tests for a variety of random surface flaw distributions show that the ring crack is expected to form outside the contact radius in all cases and that for spheres of small radii, the fracture load is expected to be proportional to the sphere radius (Auerbach's law). Reconstruction of the surface flaw distribution using the “searched area” concept is described. A useful analytical approximation for the stress intensity factors is also presented.

DETERMINATION OF RESIDUAL STRESSES AND STRESS INTENSITY FACTORS BY REMOVING LOCAL MATERIAL

2017 ◽  
Vol 48 (4) ◽  
pp. 377-398
Author(s):  
Svyatoslav Igorevich Eleonskii ◽  
Igor Nikolaevich Odintsev ◽  
Vladimir Sergeevich Pisarev ◽  
Stanislav Mikhailovich Usov
Keyword(s):  
Stress Intensity ◽  
Residual Stresses ◽  
Stress Intensity Factors ◽  
Intensity Factors ◽  
Local Material
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