scholarly journals Classification of stress-intensity factors from isochromatic-fringe patterns

1979 ◽  
Vol 19 (5) ◽  
pp. 175-175
Author(s):  
J. W. Dally ◽  
R. J. Sanford
Keyword(s):  
Stress Intensity ◽  
Stress Intensity Factors ◽  
Intensity Factors ◽  
Isochromatic Fringe ◽  
Fringe Patterns

Study on Stress Intensity Factor of PMMA with Double Cracks Using Coherent Gradient Sensing (CGS) Technique

2011 ◽  
Vol 109 ◽  
pp. 114-119 ◽  
Author(s):  
Ling Tao Mao ◽  
Cai Ping Liu ◽  
Ke Chen ◽  
Li Qian An ◽  
Xin Xin Zhu
Keyword(s):  
Stress Intensity Factor ◽  
Stress Intensity ◽  
Intensity Factor ◽  
Stress Intensity Factors ◽  
Fracture Behaviour ◽  
Intensity Factors ◽  
Gradient Sensing ◽  
Coherent Gradient Sensing ◽  
Three Point Bending ◽  
Fringe Patterns

In this paper, the principle of coherent gradient sensing (CGS) technology is briefly introduced. Fracture behaviour of the PMMA specimens with single or double cracks under three-point-bending are studied using the CGS optical method. A series of CGS fringe patterns under different loading are abtained. With these fringes, stress intensity factors are caculated. The influences of the different spacing on stress intensity factors are discussed. These results will be useful for researching on strength of PMMA materials.

A Study on the Development of Reflective Photoelastic Experimental Hybrid Method on the Static Plane Problems of Isotropic Material

2006 ◽  
Vol 326-328 ◽  
pp. 1335-1338
Author(s):  
Jai Sug Hawong ◽  
Dong Chul Shin
Keyword(s):  
Stress Intensity ◽  
Hybrid Method ◽  
Stress Intensity Factors ◽  
Isotropic Material ◽  
Intensity Factors ◽  
Photoelastic Experimental Hybrid Method ◽  
Stress Components ◽  
Static Plane ◽  
Fringe Patterns ◽  
Experimental Values

The reflective photoelastic experiment can be used more effectively than the transparent of photoelastic experimental method in industrial fields. Therefore the reflective photoelastic experimental hybrid method for the fracture mechanics of isotropic material was developed in this research. Using the reflective photoelastic experimental hybrid method we can obtain stress intensity factors and separate stress components from only the isochromatic fringe patterns. The errors between the experimental values and theoretical values for stress intensity factors are less than 10%. It was verified that the reflective photoelastic experimental hybrid method is very useful for the static plane fracture problems, for the stress intensity factors and for the stress components at the vicinity of the crack-tip in isotropic materials.

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
Sign in / Sign up

Export Citation Format

Share Document