CONSTRAINT EFFECT IN FRACTURE WHAT IS IT

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Description

The meaning of the phrase 'constraint effect in fracture' has changed in the past two decades from 'contained plasticity' to a broader description of 'dependence of fracture toughness value on geometry of test specimen or structure'. This paper will first elucidate the fundamental mechanics reasons for the apparent 'constraint effects in fracture', followed by outlining a straightforward approach to overcoming this problem in both brittle (elastic) and ductile (elastic-plastic) fracture. It is concluded by discussing the major difference in constraint effect on fracture event in elastic and elastic-plastic materials.

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Lam, P & Prof. Yuh J. Chao, P October 29, 2008.

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Description

The meaning of the phrase 'constraint effect in fracture' has changed in the past two decades from 'contained plasticity' to a broader description of 'dependence of fracture toughness value on geometry of test specimen or structure'. This paper will first elucidate the fundamental mechanics reasons for the apparent 'constraint effects in fracture', followed by outlining a straightforward approach to overcoming this problem in both brittle (elastic) and ductile (elastic-plastic) fracture. It is concluded by discussing the major difference in constraint effect on fracture event in elastic and elastic-plastic materials.

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  • 12th International Conference on Fracture, Ottawa, Ontario, Canada, July 12-17, 2009

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  • Report No.: SRNL-STI-2008-00418
  • Grant Number: DE-AC09-08SR22470
  • Office of Scientific & Technical Information Report Number: 940831
  • Archival Resource Key: ark:/67531/metadc899846

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Creation Date

  • October 29, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

Description Last Updated

  • Dec. 9, 2016, 11:04 p.m.

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Lam, P & Prof. Yuh J. Chao, P. CONSTRAINT EFFECT IN FRACTURE WHAT IS IT, article, October 29, 2008; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc899846/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.