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INCORPORATING THRESHOLD AND ENVIRONMENTAL EFFECTS INTO THE DAMAGE ACCUMULATION MODEL FOR FATIGUE CRACK GROWTH
Author(s) -
DAVIDSON DAVID L.
Publication year - 1980
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/j.1460-2695.1980.tb01362.x
Subject(s) - materials science , crack closure , paris' law , structural engineering , growth model , fracture mechanics , crack growth resistance curve , fatigue testing , composite material , mechanics , forensic engineering , engineering , economics , physics , microeconomics
—Measurement of the energy expended during growth of a fatigue crack in the near threshold region and how it is affected by a water vapor environment is coupled with direct observation of the crack tip to produce a modification of the damage accumulation model for fatigue crack growth which incorporates threshold and environmental effects.