A non-local stress fracture criterion accounting for the anisotropy of the fracture toughness

Marek Romanowicz

Abstract

A comparative assessment between the maximum circumferential stress criterion and the non-local stress criterion applied to mixed mode fracture problems in wood is presented. Various attributes of the two fracture theories, such as the shear stress component acting on the critical plane, the non-singular term of the crack tip stress field and the angular distribution of the fracture toughness, are investigated for their impact on the mixed mode fracture behavior of wood. Predictions of the direction of crack propagation and the fracture locus are validated against experimental data available in the literature, with emphasis on results obtained from single edge-notched wood specimens subjected to on-axis biaxial loading and off-axis tensile and off-axis shear loading.
Author Marek Romanowicz (FME / DMACS)
Marek Romanowicz,,
- Department of Mechanics and Applied Computer Science
Journal seriesEngineering Fracture Mechanics, ISSN 0013-7944, (N/A 140 pkt)
Issue year2019
Vol214
Pages544-557
Publication size in sheets0.65
Keywords in Englishnon-local fracture criterion, mixed-mode fracture,T-stress, wood, Anisotropy
ASJC Classification2210 Mechanical Engineering; 2211 Mechanics of Materials; 2500 General Materials Science
DOIDOI:10.1016/j.engfracmech.2019.04.033
Internal identifier000045359
Languageen angielski
Score (nominal)140
Score sourcejournalList
ScoreBUT score = 42.0, 31-07-2019, manual
Ministerial score = 140.0, 12-02-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.853; WoS Impact Factor: 2018 = 2.908 (2) - 2018=3.022 (5)
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