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Title:Influence of specimen dimensions on a JM fracture toughness test
Author(s):Zaverl, Frank Jr.
Subject(s):Specimen Dimensions
Jm Fracture Toughness
Abstract:From the Introduction: For cracked bodies exhibiting a limited amount of plasticity, linear-elastic fracture mechanics adequately describes the singular stress field existing near the crack tip. The fracture toughness parameter, Kic, characterizing this singularities magnitude for crack extension, has had sufficient investigation to provide an extremely useful tool for judging a material's susceptibility towards onset of crack extension from flaws. Unfortunately, not all engineering structures can be analyzed with this linear elastic approach due to the high toughness of the material being used or the large crack tip plastic zone relative to the dimensional characteristics of the structure at fracture. In such situations, an analysis must be made describing the singularity within the plastic zone at the crack tip.
Issue Date:1974-09
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 394
Genre:Technical Report
Sponsor:Advanced Res Projects Agency, 74/09
Rights Information:Copyright 1974 Board of Trustees of the University of Illinois
Date Available in IDEALS:2021-11-04

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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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