Branching of a fast crack in polymers

Kazuo Arakawa, Kiyoshi Takahashi

    Research output: Contribution to journalArticlepeer-review

    52 Citations (Scopus)


    Crack branching in Araldite d and Homalite-911 was studied using a modified Cranz-Schardin type high speed camera which provided simultaneously taken shadow patterns and specimen-focussed images. Fracture parameters including crack velocity a, stress intensity factor Kd and specific crack extension resistance R{six pointed black star} were measured in the course of crack propagation. No definite critical values could be determined with one of those fracture parameters for the onset of crack branching. Instead, the product R{six pointed black star}a, i.e., energy per unit crack width per unit time, was found to have a critical value for the branching.

    Original languageEnglish
    Pages (from-to)245-254
    Number of pages10
    JournalInternational Journal of Fracture
    Issue number4
    Publication statusPublished - Apr 1991

    All Science Journal Classification (ASJC) codes

    • Computational Mechanics
    • Modelling and Simulation
    • Mechanics of Materials


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