A Proposal of parameter Determination Method in the Residual Strength Degradation Model for the Prediction of Fatigue Life(II)

피로수명예측을 위한 잔류강도 저하모델의 파라미터 결정법 제안(II)

Kim, Sang-Tae;Jang, Seong-Su

  • Published : 2001.09.01


A new method of parameter determination in the fatigue residual strength degradation model is proposed. The new method and minimization technique is compared experimentally to account for the effect of tension-compression fatigue loading of spheroidal graphite cast iron and graphite/epoxy laminate. It is shown that the correlation between the experimental results and the theoretical prediction on the fatigue life and residual strength distribution using the proposed method is very reasonable. Therefore, the proposed method is more adjustable in the determination of the parameter than minimization technique for the prediction of the fatigue characteristics.


Residual Strength Degradation Mode;Residual Sum of Square;Minimization Technique;Weibull Distribution Function;Equivalent Ultimate Strength;Prediction of Fatigue Life


  1. 田中道七, 酒井達雄, 1978, '母數 ワイづル分布の母數推定について', 材料, 第28卷, 304號, pp. 13-19
  2. 김상태, 장성수, 2001, '피로수명예측을 위한 잔류강도 저하모델의 파라미터 결정법 제안 (I),' 대한기계학회논문집 A권, 제25권, 제5호, pp. 874-882
  3. Nishijima, S., 1981 'Statistical Analysis to Fatigue Test Data,' JSME S 002, pp. 132-137
  4. S. Nishijima, 1981, 'Statistical Fatigue Properties of Some Heat Treated Steels for Machine Structural Use,' ASTM STP 744, pp. 75-88
  5. Toshiyuki Shimokawa and Yasumasa Hamaguc-hi, 1983, 'Distribution of Fatigue Life and Fatigue Strength in Notched Specimens of a Carbon Eight-Harness-Satin Laminate,' Journal of Composite Materials, Vol. 17, pp. 64-76
  6. Yang, J. N., 1978, 'Fatigue and Residual Strength Degradation for Graphite/Epoxy Composites Under Tension-Compression Cyclic Loadings,' J. of Composite Materials, Vol. 12, pp. 19-39
  7. Broutman, L. J. and Sahu, S., 1972, 'A New Theory to Predict Cumulative Fatigue Damage in Fiberglass Reinforced Plastics,' Composite Materials : Testing and Design (2nd Conference), ASTM STP 497, pp. 170-188
  8. Whitney, J. M., 1981, 'Fatigue Characterization of Composite Materials,' ASTM STP 723, pp. 133-15.1.
  9. Radhakrishnan, K.., 1984, 'Fatigue and Reliability Evaluation of Unnotched Carbon Epoxy Laminates,' Journal of Composite Materials, Vol. 18, pp. 21-31
  10. 김도식, 김정규, 1994, '잔류강도 저하모델의 파라미터 결정법에 따른 피로수명 예측,' 대한기계학회논문집, 제18권, 제8호, pp. 2053-2061
  11. 심봉식, 성낙원, 옹장우, 1991, '탄소섬유/에폭시 복합재료의 잔류강도 저하해석에 의한 피로 수명 평가,' 대한기계학회논문집, 제15권, 제6호, pp. 1908-1918
  12. 장성수, 김상태, 2000, '구상흑연주철의 피로 수명분포에 대한 통계적 해석' 대한기계학회논 문집 A권, 제24권, 제9호, pp. 2353-2360
  13. Yang, J. N., Liu, M. D., 1977, 'Residual Strength Degradation Model and Theory of Periodic Proof Tests for Graphite/Epoxy Laminate,' J. of Composite Materials, Vol. 11, pp. 176-203