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Project Number 144
Date of Summary March 31, 1997
Subject Fatigue of High Strength Steels for Innovative Offshore Structures
Performing Activity Florida Atlantic University
Principal Investigator Dr. William H. Hartt
Contracting Agency Minerals Management Service
Estimated Completion Completed
Description The objective was to assess and characterize the fatigue properties of several new high strength structural steels under consideration for innovative offshore structures in conditions which are applicable to their use. The project was a Joint Industry Project (JIP) with six industry participants and support from the American Petroleum Institute (API).
Progress Completed. The project determined whether the proposed high strength steels are more susceptible to environmental degradation and to hydrogen damage than conventional structural steels used offshore, and developed near threshold fatigue crack growth rate data.

Reports
AA1 Adobe's Portable Document Format (PDF) . (990 KB; 14 pages) A Multiple Specimen Test Technique to Determine Fatigue Crack Growth Rates for Conditions Relevant to Offshore Structures. Hart, William H. Florida Atlantic University. 1991.

 

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