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Environmental strength evaluation of welded steel joint in sea water

Part II: Corrosion fatigue crack growth behaviour

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Abstract

Corrosion fatigue crack growth behaviours were experimentally evaluated for the parent metal, as-welded and PWHT specimens of SM53B steel. Multi-pass welding was done by a submerged arc welder. Metallographic observations along the weld fusion boundary were made to investigate the variation of microstructures through the thickness direction. PWHT was carried out at 650°C with holding time of 1/4hr and 40hr. The corrosion fatigue test was conducted in 3.5% NaCl solution with the frequency of 3Hz. In all cases, crack growth in corrosive environment was faster than that of in air. Besides, at the low †K region, crack growth was greatly influenced by corrosive environment and the heat treatment condition.

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Reference

  1. ASTM Standard E647,1987, “Standard Test Method for Constant Load Amplitude Fatigue Crack Growth Rates”, 1987 Annual Book of ASTM Standard Vol.03, 01, pp 711–731.

  2. Chung, S.H., Lim, J.K. and Na, E.G., 1989, “Environmental Strength Evaluation Welded Steel Joint in Sea Water, Part I: Corrosion Fatigue Crack Growth Behaviors for High Cycle”, KSME Journal, Vol 3, No.1, pp 5.

  3. Frost, R.H., Edwards, G.R. and Rheinlander, A.D., 1981, “A Constitutive Equation for the Critical Energy Input during Electorslag Welding”, Welding Journal, Jan., pp. 1–6.

  4. Gurney, T.R., 1980, “Fatigue Welded Structures”, Cambridge Univ. Press, 2nd ed.

  5. Kapadia, B.M., 1978, “Influence Residual Stresses on Fatigue Crack Growth in Electroslag Welds”, ASTM STP 648, pp 244–260.

  6. Lim, J.K. and Chung, S.H., 1988, “Stress Effect on PWHT Embrittlement”, Fatigue and Fracture Testing of Welding of Weldments, Edited by H.I.McHenry and J.M. Potter, ASTM STP, to be published.

  7. Na, E.G., 1987, “Effect of PWHT on Corrosion Fatigue in Weld HAZ of Steels”, Doc. Thesis, Jeonbuk National University, Koera.

  8. Philiip, R.H., 1983, “In Situ Determination of Transformation in the Weld Heat Affected Zone”, Welding Journal, Jan., pp 12–18.

  9. Son, Un Teak, 1980, “Corrosion Theory of Metals”.

  10. Lee, D.N. and Lee, S.K., 1989, “Corrosion Fatigue of SAE 1100 Steel in 3% NaCl Solution”, Material Science and Technology, Vol. 5, pp 468–477.

  11. Suzuki, M. Kameda, J. Takahashi, H. 1976, “Stress Relief and Local Embrittlement of Weld Heat Affected Zone in a Reactor Pressure Vessel Steel” IIW Document No. IX-1002.

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Correspondence to Se-Hi Chung.

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Chung, S., Na, E. Environmental strength evaluation of welded steel joint in sea water. KSME Journal 4, 10–16 (1990). https://doi.org/10.1007/BF02953385

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Key Words

  • Post Weld Heat Treatment(PWHT)
  • Heat Affected Zone(HAZ)
  • Residual Stress
  • Microstructures
  • Stress Intensity Factor Range
  • Corrosion Fatigue
  • Corrosive Environment
  • Electrochemical Reaction