Stress Intensity Factors for Single-Edge-Crack Solid and Hollow Round Bars Loaded in Tension
- 1 July 1981
- journal article
- Published by ASTM International in Journal of Testing and Evaluation
- Vol. 9 (4) , 216-223
- https://doi.org/10.1520/jte11230j
Abstract
Dimensionless stress intensity factors were determined for single-edge-crack solid and hollow round bars loaded in tension. These factors were calculated from experimental compliance (inverse slope of load-displacement curve) measurements made over a range of dimensionless crack depths (lengths) from 0.05 to 0.65. The tests were made with 76-mm (3-in.) diameter solid and hollow round bars notched on one side and loaded in axial tension. The hollow bar had an inner to outer diameter ratio of 0.33. A comparison was made with data in the literature for rectangular bars; for a crack depth to diameter ratio of 0.0001 the dimensionless stress intensity factor for a solid round bar is 0.55 compared with 2.0 for a rectangular bar.Keywords
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