Effect of temperature on the fatigue-crack propagation behavior of A-286 steel | Zendy

L.A. James | Zendy

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Effect of temperature on the fatigue-crack propagation behavior of A-286 steel

Author(s) -

L.A. James

Publication year - 1976

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4059538

Subject(s) - materials science , crack closure , paris' law , crack growth resistance curve , fracture mechanics , bar (unit) , composite material , atmospheric temperature range , fracture (geology) , structural engineering , thermodynamics , engineering , physics , meteorology

The techniques of linear-elastic fracture mechanics were used to characterize the effect of temperature upon the fatigue-crack growth behavior of A-286 steel in an air environment over the temperature range of 75--1000$sup 0$F. In general, the fatigue-crack growth rate increased with increasing temperature. Two material forms were tested: 0.5 inch-thick strip material and 1.5 inch- diameter bar. Two different crack orientations were tested in each product form. In general, no significant differences in crack growth behavior were noted between product forms nor between the different crack orientations. (auth

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