Dynamic fracture analysis by moiré interferometry

K. Arakawa, R. H. Drinnon, M. Kosai, A. S. Kobayashi

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)


    Dynamic moiré interferometry was used to measure separately the u- and v-displacement fields surrouding a rapidly propagating crack tip in Homalite-100 and 7075-T6 aluminum-alloy plates. These transient crack-tip-displacement data were then used to compute the dynamic stress-intensity factor and the remote stress component. J-integral values were also estimated using the static approximate procedure of Kang et al. This static analysis provided the correct J when the contour integral was taken within 3 mm of the crack tip.

    Original languageEnglish
    Pages (from-to)306-309
    Number of pages4
    JournalExperimental Mechanics
    Issue number4
    Publication statusPublished - Dec 1991

    All Science Journal Classification (ASJC) codes

    • Aerospace Engineering
    • Mechanics of Materials
    • Mechanical Engineering


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