Dynamic propagation of a macrocrack interacting with parallel small cracks

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this study, the effect of small cracks on the dynamic propagation of a macrocrack is investigated by using a new continuum mechanics formulation, peridynamics. Various combinations of small cracks with different number, location and density are considered. Depending on the location, density and number of small cracks, the propagation speed of macrocrack differs. Some combinations of small cracks slows down the propagation of a macrocrack by 34%. Presented results show that this analysis can be useful for the design of new microstructurally toughened materials.
LanguageEnglish
Pages118-136
Number of pages19
JournalAIMS Materials Science
Volume4
Issue number1
DOIs
Publication statusPublished - 10 Jan 2017

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Cracks
Continuum mechanics

Keywords

  • macrocrack
  • small crack
  • dynamic propagation
  • peridynamics
  • numerical
  • propagation speed

Cite this

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Dynamic propagation of a macrocrack interacting with parallel small cracks. / Vazic, Bozo; Wang, Hanlin; Diyaroglu, Cagan; Oterkus, Selda; Oterkus, Erkan.

In: AIMS Materials Science, Vol. 4, No. 1, 10.01.2017, p. 118-136.

Research output: Contribution to journalArticle

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AB - In this study, the effect of small cracks on the dynamic propagation of a macrocrack is investigated by using a new continuum mechanics formulation, peridynamics. Various combinations of small cracks with different number, location and density are considered. Depending on the location, density and number of small cracks, the propagation speed of macrocrack differs. Some combinations of small cracks slows down the propagation of a macrocrack by 34%. Presented results show that this analysis can be useful for the design of new microstructurally toughened materials.

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