Strain energy density to assess mode II fracture in U-notched disk-type graphite plates-Reference-Cited by-同舟云学术

Strain energy density to assess mode II fracture in U-notched disk-type graphite plates

Published:2014-01-16 Issue:7 Volume:23 Page:917-930
ISSN:1056-7895
Container-title:International Journal of Damage Mechanics
language:en
Short-container-title:International Journal of Damage Mechanics

Author:

Torabi AR¹,Berto F²

Affiliation:

1. Fracture Research Laboratory, Faculty of New Science and Technologies, University of Tehran, Tehran, Iran

2. Department of Management and Engineering, University of Padova, Stradella, Vicenza, Italy

Abstract

The brittle fracture criterion, namely the strain energy density (SED) over a control volume, which embraces the notch edge, is utilized in the present research to assess the experimentally obtained fracture loads of several U-notched Brazilian disk (UNBD) specimens made of a type of commercial graphite under pure mode II loading. The results show that the SED criterion could successfully predict the fracture loads of graphite specimens for different notch tip radii with an average discrepancy of about ±10%. It is proved in this investigation that not only the SED criterion works well on brittle fracture of notched graphite components under pure mode I, mixed mode I/II and pure mode III loading conditions, but also under pure mode II loading.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science,Computational Mechanics

Link

http://journals.sagepub.com/doi/pdf/10.1177/1056789513519349

Reference45 articles.

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