An Alternative to the Conventional Tri-Axial Compression Test

Morten Storgaard Nielsen, Niels Bay, Morten Eriksen, Jakob Ilsted Bech

    Research output: Contribution to journalJournal articleResearchpeer-review


    A new test for measurement of the mechanical properties of granular powders is proposed, consisting of upsetting the powder inside a metal tube. The radial pressure is found by correlating measurements of radial bulging of the tube with numerical analysis of tube bulging. Estimates of the error on the determination of the radial pressure are given along with an evaluation of the coefficient of friction for a specific case. New data for the yield surfaces for BSCCO are given and found to be in good agreement with previously published data.
    Original languageEnglish
    JournalPowder Technology
    Issue number3
    Pages (from-to)220-226
    Publication statusPublished - 2006


    • Drucker-Prager
    • Mechanical testing
    • BSCCO
    • MM04.17
    • Constitutive equations


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