Local stress intensity factors for kinked cracks in spot weld cup specimens

SAE Technical Papers

Volumn , Issue , 2004, Pages

  Wang, D A ^a   Lin, S H ^a   Pan, J ^a  

^a UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FATIGUE OF MATERIALS; FINITE ELEMENT METHOD; SPOT WELDING; STRESS ANALYSIS; STRESS INTENSITY FACTORS; WELDS;

AXISYMMETRIC FINITE ELEMENT MODELS; CLOSED FORM SOLUTIONS; CYCLIC LOADING CONDITIONS; FATIGUE LIFE PREDICTION; KINKED CRACKS; LOCAL STRESS; RECTANGULAR-SHAPED; SQUARE-CUP SPECIMEN;

CRACK TIPS;

EID: 85072420645     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: 10.4271/2004-01-0816     Document Type: Conference Paper

References (18)

1. Swellam, M. H., Kurath, P., and Lawrence, F. V., 1992, Electric-potential-drop studies of fatigue crack development in tensile-shear spot welds, Advances in Fatigue Lifetime Predictive Techniques, ASTM STP 1122, Mitchell M. R., and Landgraf R. W., Eds., American Society for Testing and Materials, Philadelphia, pp. 383-401.
2. Pook, L. P., 1975, Fracture mechanics analysis of the fatigue behaviour of spot welds, International Journal of Fracture, Vol. 11, pp. 173-176.
3. Swellam, M. H., Banas, G., and Lawrence, F. V., 1994, A Fatigue Design Parameter for Spot Welds, Fatigue and Fracture of Engineering Materials & Structures, Vol. 17, pp. 1197-1204.
4. Newman, J. A., and Dowling, N. E., 1998, A crack growth approach to life prediction of spot-welded lap joints, Fatigue & Fracture of Engineering Materials & Structures, Vol. 21, pp. 1123-1132. (Pubitemid 128492731)
5. Lin, S.-H., Pan, J., Wung, P., and Chiang, J., 2003, A fatigue crack growth model for spot welds in various specimens under cyclic loading conditions, submitted for publication in International Journal of Fatigue.
6. Lin, S.-H., and Pan, J., 2003, Fatigue life predictions for spot welds in coach-peel and lap-shear specimens with consideration of kinked crack behavior, in press, International Journal of Materials and Product Technology.
7. Sheppard, S. D., and Pan, N., 2001, A look at fatigue in resistance spot welds-notch or crack?, SAE Technical Paper 2001-01-0433, Society of Automotive Engineers, Warrendale, Pennsylvania.
8. Pook, L. P., 1979, Approximate stress intensity factors obtained from simple plate bending theory, Engineering Fracture Mechanics, Vol. 12, pp. 505-522. (Pubitemid 10441013)
9. Zhang, S., 1997, Stress intensities at spot welds, International Journal of Fracture, Vol. 88, pp. 167-185. (Pubitemid 129643187)
10. Zhang, S., 1999, Approximate stress intensity factors and notch stresses for common spot-welded specimens, Welding Research Supplement, pp. 173-179.
11. Zhang, S., 2001, Fracture mechanics solutions to spot welds, International Journal of Fracture, Vol. 112, pp. 247-274. (Pubitemid 34122857)
12. Bilby, B. A., Cardew, G. E., and Howard, I. C., 1978, Stress intensity factors at the tips of kinked and forked cracks, The Fourth International Conference on Fracture, University of Waterloo, Ontario, Jun 19-24 1977. Pergamon Press, New York, NY, Vol. 3 A, pp. 197-200. (Pubitemid 8617587)
13. Cotterell, B., and Rice, J. R., 1980, Slightly curved or kinked cracks, International Journal of Fracture, Vol. 16, pp. 155-169.
14. Wung, P., and Stewart, W., 2001, Method of analyzing spot welded structures, Patent No. US 6,186,011 B1.
15. Wang, D.-A., Lin, S.-H., and Pan, J., 2003, Stress intensity factors for spot welds and associated kinked cracks in cup specimens, submitted for publication in International Journal of Fatigue.
16. Kitagawa, H., Yuuki, R., and Ohira, T., 1975, Crack-morphological aspects in fracture mechanics, Engineering Fracture Mechanics, Vol. 7, pp. 515-529.
17. Lo, K. K., 1978, Analysis of branched cracks, Journal of Applied Mechanics, Vol. 45, pp. 797-802.
18. Hibbitt, H. D., Karlsson, B. I., and Sorensen, E. P., 2001, ABAQUS user manual, Version 6-2.