Measurements of interfacial curvatures of bicontinuous structure from three-dimensional digital images. 1. A parallel surface method

Yukihiro Nishikawa, Hiroshi Jinnai*, Tsuyoshi Koga, Takeji Hashimoto, Stephen T. Hyde

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    80 Citations (Scopus)

    Abstract

    A method was developed to measure the area-averaged mean and the Gaussian curvatures from three-dimensional (3D) digital images of the interface of complicated bicontinuous structures. This method involves measurement of areas of surfaces that are parallel to the interface as a function of displacement from it. The applicability and precision of the scheme were critically examined by using a known minimal surface, i.e., the gyroid, as a model of bicontinuous structures. The method was then applied to 3D of the interface of the phase-separated bicontinuous structure of a real polymer blend in order to evaluate the characteristic of curvatures of the interface.

    Original languageEnglish
    Pages (from-to)1242-1249
    Number of pages8
    JournalLangmuir
    Volume14
    Issue number5
    DOIs
    Publication statusPublished - 3 Mar 1998

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