EFFECT OF BOUNDARY CONDITION ON PRE-EXISTING CRACK UNDER FATIGUE LOADING

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SINGH V.K.; GOPE P.C.; BHAGAT R.K.

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Journal Paper

Paper Information

Journal: JOURNAL OF SOLID MECHANICS Year:2011 | Volume:3 | Issue:2 Page(s): 198-207

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Title

EFFECT OF BOUNDARY CONDITION ON PRE-EXISTING CRACK UNDER FATIGUE LOADING

Author(s)

SINGH V.K. | GOPE P.C. | BHAGAT R.K. | Issue Writer Certificate

Keywords

STRESS INTENSITY FACTOR

CRACK GROWTH

PHOTO ELASTICITY

Abstract

In this paper, the present investigation has been conducted keeping in mind some of the problems concerning the crack propagation direction and growth under constant loading in an inclined crack geometry. The present studies mainly focused on the development and modifications in the CRACK GROWTH criterion to account the biaxial, shear loading and number of stress terms. Existing criteria for the prediction of crack initiation direction have been modified taking higher order stress terms. The effective methods of experimentally determining the STRESS INTENSITY FACTOR for a body containing a crack is to analyze the isochromatic pattern obtained from a photoelastic model. The effect of biaxial load factor, crack angle, Crack length/width of specimen and length of specimen/width of specimen were studied and a regression model was developed for geometry correction to predict STRESS INTENSITY FACTOR for tearing mode and intensity factor for shearing mode. This approach is being used to predict CRACK GROWTH trajectory under biaxial cyclic loading by assuming that the crack may grow in a number of discrete steps using the vectorial method. MTS criterion (Maximum Tangential Stress criterion) is used for prediction of crack initiating angle. The CRACK GROWTH trajectory has been determined by cycle simulation procedure.

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APA: Copy

SINGH, V.K., GOPE, P.C., & BHAGAT, R.K.. (2011). EFFECT OF BOUNDARY CONDITION ON PRE-EXISTING CRACK UNDER FATIGUE LOADING. JOURNAL OF SOLID MECHANICS, 3(2), 198-207. SID. https://sid.ir/paper/319241/en

Vancouver: Copy

SINGH V.K., GOPE P.C., BHAGAT R.K.. EFFECT OF BOUNDARY CONDITION ON PRE-EXISTING CRACK UNDER FATIGUE LOADING. JOURNAL OF SOLID MECHANICS[Internet]. 2011;3(2):198-207. Available from: https://sid.ir/paper/319241/en

IEEE: Copy

V.K. SINGH, P.C. GOPE, and R.K. BHAGAT, “EFFECT OF BOUNDARY CONDITION ON PRE-EXISTING CRACK UNDER FATIGUE LOADING,” JOURNAL OF SOLID MECHANICS, vol. 3, no. 2, pp. 198–207, 2011, [Online]. Available: https://sid.ir/paper/319241/en

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