Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments

Judith A. Todd, Lichun Chen, Evgueni Y. Yankov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTM seawater, at both the free corrosion potential and -1.0V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure and cathodic protection on crack closure contributions in the near-threshold regime will be discussed.

Original languageEnglish (US)
Title of host publicationMaterials Engineering
PublisherPubl by ASME
Pages473-483
Number of pages11
ISBN (Print)0791807851
StatePublished - Jan 1 1993
EventProceedings of the 12th International Conference on Offshore Mechanical and Arctic Engineering (OMAE 1993) - Glasgow, Scotland, Engl
Duration: Jun 20 1993Jun 24 1993

Publication series

NameProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE

Other

OtherProceedings of the 12th International Conference on Offshore Mechanical and Arctic Engineering (OMAE 1993)
CityGlasgow, Scotland, Engl
Period6/20/936/24/93

Fingerprint

Steel
Fatigue crack propagation
Corrosion fatigue
Crack closure
Cathodic protection
Heat affected zone
Seawater
Welds
Metals
Corrosion
Microstructure
Air

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

Cite this

Todd, J. A., Chen, L., & Yankov, E. Y. (1993). Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments. In Materials Engineering (pp. 473-483). (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE). Publ by ASME.
Todd, Judith A. ; Chen, Lichun ; Yankov, Evgueni Y. / Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments. Materials Engineering. Publ by ASME, 1993. pp. 473-483 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE).
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Todd, JA, Chen, L & Yankov, EY 1993, Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments. in Materials Engineering. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, Publ by ASME, pp. 473-483, Proceedings of the 12th International Conference on Offshore Mechanical and Arctic Engineering (OMAE 1993), Glasgow, Scotland, Engl, 6/20/93.

Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments. / Todd, Judith A.; Chen, Lichun; Yankov, Evgueni Y.

Materials Engineering. Publ by ASME, 1993. p. 473-483 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTM seawater, at both the free corrosion potential and -1.0V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure and cathodic protection on crack closure contributions in the near-threshold regime will be discussed.

AB - The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTM seawater, at both the free corrosion potential and -1.0V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure and cathodic protection on crack closure contributions in the near-threshold regime will be discussed.

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Todd JA, Chen L, Yankov EY. Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments. In Materials Engineering. Publ by ASME. 1993. p. 473-483. (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE).