A NEW METHOD OF DETERMINING THE STRESS INTENSITY FACTOR FROM ISOCHROMATIC FRINGE LOOPS.
Fattah, A., Rajaiah, K., Bose, M. (1984). A NEW METHOD OF DETERMINING THE STRESS INTENSITY FACTOR FROM ISOCHROMATIC FRINGE LOOPS.. EKB Journal Management System, 2(1st Conference on Applied Mechanical Engineering.), 181-189. doi: 10.21608/amme.1984.49589
A. A. Fattah; K. Rajaiah; M. S.C. Bose. "A NEW METHOD OF DETERMINING THE STRESS INTENSITY FACTOR FROM ISOCHROMATIC FRINGE LOOPS.". EKB Journal Management System, 2, 1st Conference on Applied Mechanical Engineering., 1984, 181-189. doi: 10.21608/amme.1984.49589
Fattah, A., Rajaiah, K., Bose, M. (1984). 'A NEW METHOD OF DETERMINING THE STRESS INTENSITY FACTOR FROM ISOCHROMATIC FRINGE LOOPS.', EKB Journal Management System, 2(1st Conference on Applied Mechanical Engineering.), pp. 181-189. doi: 10.21608/amme.1984.49589
Fattah, A., Rajaiah, K., Bose, M. A NEW METHOD OF DETERMINING THE STRESS INTENSITY FACTOR FROM ISOCHROMATIC FRINGE LOOPS.. EKB Journal Management System, 1984; 2(1st Conference on Applied Mechanical Engineering.): 181-189. doi: 10.21608/amme.1984.49589

A NEW METHOD OF DETERMINING THE STRESS INTENSITY FACTOR FROM ISOCHROMATIC FRINGE LOOPS.

The International Conference on Applied Mechanics and Mechanical Engineering
Article 13, Volume 2, 1st Conference on Applied Mechanical Engineering., May 1984, Page 181-189  XML PDF (2.02 MB)
Document Type: Original Article
DOI: 10.21608/amme.1984.49589
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Authors
A. A. Fattah1; K. Rajaiah2; M. S.C. Bose3
1Lecturer, Dept. of Design and Production Engg.,Faculty of Engineering Mansoura University, EGYPT.
2Professor, Dept. of Aeronautical Engg., I.I.T., Bombay, INDIA.
3Assistant Prof. Dept. of Mechanical Engg., I.I.T., Bombay, INDIA.
Abstract
This paper describes a new four parameter method of analysis for determining of the stress intensity factor (SIF). The method bypasses the error-prone measurements on the isochromatic pattern near to the crack tip and uses data from the
near of the crack tip as well as extended stress field. Suitable expression was developed for the determination of the fourth parameter based on isochromatic fringe loop information. Results were obtained by the computer program (EGYPT) for different values of the parameters β and α to give the best accuracy of determining the stress intensity factor (K). The results obtained for Dobeckote-505 show good agreement with the analytical results.
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