ASTM E740/E740M PDF
ASTM E740/E740M PDF
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ASTM E740/E740M PDF

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Standard Practice for Fracture Testing with Surface-Crack Tension Specimens

Published byPublication DateNumber of Pages
ASTM10/01/20169

ASTM E740/E740M – Standard Practice forFracture Testing with Surface-Crack Tension Specimens

1.1 This practice covers the design, preparation, and testing of surface-crack tension (SCT) specimens. It relates specifically to testing under continuously increasing force and excludes cyclic and sustained loadings. The quantity determined is the residual strength of a specimen having a semielliptical or circular-segment fatigue crack in one surface. This value depends on the crack dimensions and the specimen thickness as well as the characteristics of the material.

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