Browse > Article

A Study on Fatigue Analysis of Automotive Shock Absorber  

Cho, Jae-Ung (공주대학교 기계.자동차공학부)
Han, Moon-Sik (계명대학교 기계.자동차공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.17, no.1, 2008 , pp. 92-97 More about this Journal
Abstract
The safety and the durability of the shock absorber as an automotive chassis part under the fatigue load can be predicted in this study. The fatigue life becomes constant from 0.5 to 0.75 at the change of load which is the amplitude load divided by average load. But its life is sharply decreased at the change of load from 0.75 to 1.5. The influence of fatigue life according to the change of load can be predicted by these results. As the value of maximum damage is 9.61 at the middle part of upper side on shock absorber under the concentrated load, there is the greatest possibility of destruction at this part. The spring of shock absorber becomes nearly the state of pure shear and the uniaxial or biaxial stress exists at the rest part of it under the fatigue load.
Keywords
safety; durability; shock absorber; automotive chassis part; change of load; fatigue life;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Park, W. C., Huh, S. C., Jung, J. W., Lee, H. W., and Boo, M. H., 2003, 'A Study on Fatigue Crack Behavior of Metal Matrix Composites for Automobile Engine,' Transactions of KSAE, Vol. 11, No. 5, pp. 140-146
2 John Swanson, 2005, Ansys Workbench 10.0, Ansys. Inc
3 Tanaka, S., Ichikawa, M., and Akita, S., 1984, 'A Probabilistic Investigation of Fatigue Life and Cumulative Cycle Ratio,' Eng. Frac. Mech., Vol. 20, No. 3, pp. 501-513   DOI   ScienceOn
4 Hancq, D. A., Walters, A. J., and Beuth, J. L., 2000, 'Development of an Object Oriented Fatigue Tool,' Engineering with Computers, Vol. 16, pp. 131-144   DOI
5 Han, S. Y., and Song, S. Y., 2002, 'Shape Optimization of Structures in Opening Mode,' Transactions of KSAE, Vol. 10, No. 2, pp. 141-149
6 Bannantine, J., Comer, J., and Handrock, J. 1990, Fundamentals of Metal Fatigue Analysis, New Jersey, Prentice Hall
7 Park, K. D., and Jung, C. G., 2003, 'The Effect of Compressive Residual Stresses of Two-stage Shot Peening for Fatigue life of Vehicle Spring Steel,' Transactions of KSAE, Vol. 11, No. 1, pp. 185-192