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Line-spring analysis of the double-torsion specimen

โœ Scribed by C.S. White

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
227 KB
Volume
19
Category
Article
ISSN
0013-7944

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โœฆ Synopsis

The stress-intensity factor calibration of the double-torsion specimen is discussed. It is argued that accurate analysis requires an accurate description of the shape of the steady crack profile which evolves in a particular test. The line-spring model, which readily accommodates variable depth cracks in plates, is applied to a representative crack profile in the double torsion specimen.

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โœ M.S. Attia; A.S. Mahmoud; M.M. Megahed; A.A. Radwan ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 741 KB

This study aims at investigating the fracture behaviour of double torsion specimens using the finite element method. Typical double torsion tests encompass a series of constantthickness specimens to evaluate the material plane strain fracture toughness. In contrast, the concept of using a novel vari