PERIODIC STRUCTURES IN COLLOIDAL CRYSTALS WITH OSCILLATORY FLOW.

W. D. Dozier, P. M. Chaikin

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Some aspects of the flow of colloidal crystals in a capillary are studied. Flow is induced in the shear region near where the crystal responds plastically by applying oscillatory pressure. Under certain conditions well oriented crystalline regions are observed which alternate orientations in a periodic pattern along the tube. Since the crystals have a lattice spacing of approximately 0. 5 mu and Bragg scatter visible light, a periodic color pattern is observed. The formation of these cylindrically symmetric striations is studied as a function of shear modulus, frequency and amplitude of oscillations, particle size and tube diameter.

    Original languageEnglish (US)
    Pages (from-to)843-851
    Number of pages9
    JournalJournal de physique Paris
    Volume43
    Issue number6
    DOIs
    StatePublished - 1982

    ASJC Scopus subject areas

    • General Engineering

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