Tarafder, S and Tarafder, Mita and Ranganath, V R (1994) Compliance crack length relations for the 4-point bend specimen. Engineering Fracture Mechanics, 47 (6). p. 901.
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Compliance crack length relations for the four-point bend specimen geometry have not been reported in the literature in spite of this geometry being one of the popularly used specimens for fatigue crack growth studies. An effort has been made in the present work to fill this gap. Accordingly, the finite element technique was employed to simulate loading and calculate displacements at various locations in a four-point bend specimen. The load-displacement data thus obtained were processed to yield compliance crack length relations. These relations were employed to calculate the crack length during fatigue testing of four-point bend specimens in which the crack length was also measured by optical means. A good correlation was observed between the predicted crack length and that measured optically.
|Deposited By:||Sahu A K|
|Deposited On:||24 May 2012 13:53|
|Last Modified:||24 May 2012 13:53|
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