Brittle Fracture
AimsBefore you startIntroductionWhen do atomic bonds break?Why do cracks weaken a material?Inglis and the crack tip stress ideaCan we calculate the energy changes?What about tension?Another way of expressing the energiesAnother way of calculating the energiesWhy bother if they are the same?Coping with a scatter in strengthSimulation of Weibull modulus experimentWhen does the sample fail completely?Sub-critical crack growth and R-curvesSummaryQuestionsGoing furtherTLP creditsTLP contentsShow all contentViewing and downloading resourcesAbout the TLPsTerms of useFeedbackCredits Print this page
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Questions
Quick questions
You should be able to answer these questions without too much difficulty after studying this TLP. If not, then you should go through it again!
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The Lennard-Jones potential best describes which of the following:
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Which of the following situations is required for fast fracture to occur?
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In the wedging setup, which of the following will *not* influence the critical crack length?
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Which one of Irwin's modes of fracture best describes a car tyre skidding on a dry road?
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What is the critical stress intensity factor equal to when no residual stresses are present?
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What best describes the situation in wedging?