대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제32권1호
  • /
  • Pages.63-69
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  • 2008
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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L 형상 용접 프레임의 피로 실험 및 시뮬레이션

Fatigue Test and Simulation on the Steel Welded L-Shaped Frame

  • 이정희 (충남대학교 BK21 메카트로닉스사업단) ;
  • 김재훈 (충남대학교 BK21 메카트로닉스사업단) ;
  • 공정표 (충남대학교 BK21 메카트로닉스사업단) ;
  • 한규현 (충남대학교 BK21 메카트로닉스사업단) ;
  • 이영신 (충남대학교 기계설계공학과 BK21 메카트로닉스사업단)
  • 발행 : 2008.01.01
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초록

A fatigue test on the steel welded L-shaped frame was conducted. The frame was consisted with carbon steel tube and reinforced bracket. The four type reinforced brackets were fabricated. They were two rectangular plate reinforced bracket, two sided pentagon plate reinforced bracket, triangular plate reinforced bracket and fully reinforced bracket. The fatigue test of frame was conducted with axial tension loading. The fatigue simulation of the steel welded L-shaped frame was also performed by the finite element method with code FEMFAT. The frame of fully reinforced bracket had the highest fatigue life and reinforced quality factor.

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참고문헌

  1. Han, S. Y., Song, S. Y., 2002, 'Shape Optimization for Prolonging Fatigue Life of a Structure,' Trans. of KSME(A), Vol. 26, No. 8, pp. 1512-1519 https://doi.org/10.3795/KSME-A.2002.26.8.1512
  2. Kim, M. G., Lim, B. K., 2006, 'Simulation of Extremely Low Cycle Fatigue Fracture in Ductile Cast Iron,' Trans. of KSME(A), Vol. 30, No. 12, pp. 1573-1580 https://doi.org/10.3795/KSME-A.2006.30.12.1573
  3. Han, J. W., Han, S. H., Shin, B. C., Kim, J. H., 2004, 'Fatigue Life Estimation of Welding Details by Using a Notch Strain Approach,' Trans. of KSME(A), Vol. 28, No. 7, pp. 977-985 https://doi.org/10.3795/KSME-A.2004.28.7.977
  4. Foley, C. M.. Peronto, J. L., and Fournelle, R. A., 2006, 'Fatigue Life Prediction and Variability of New and Existing Welded CHS Y-Joints,' Engineering Journal, first quarter pp. 57-79
  5. Irving, S., Ferguson-Smith, F., He, X. Z., and Liu, Y, 2005, 'Comparative Fatigue Assessment of Soft Toe and Nested Bracket Welded Aluminium Structures,' Engineering Failure Analysis 12, pp. 679-690 https://doi.org/10.1016/j.engfailanal.2004.12.005
  6. Chakherlou, T. N., Oskouei, R. H., and Vogwell, J. 2007, 'Experimental and Numerical Investigation of the Effect of Clamping Force on the Fatigue Behavior of Bolted Plates,' Engineering Failure Analysis, In Press
  7. Borrego, L. P., Pires, J. T. B., Costa, J. M., and Ferreira, J. M., 2007, 'Fatigue Behaviour of Laser Repairing Welded Joints,' Engineering Failure Analysis, Vol. 14, No. 8, pp. 1586-1593 https://doi.org/10.1016/j.engfailanal.2006.11.054
  8. Magnapowertrain, 2005, FEMFAT V4.6c User Manual, pp. 99-100
  9. UGS, 2004, NX Nastran Quick Reference Guide Vol. 2. UGS PLM Solutions Inc., pp. 899-904

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