On the Photoplastic Properties of Celluloid

概要

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For the several years, the theory of photoplasticity has been studied for a method by which the elastic-plastic problem of metal can be solved experimentally.It is the important task in this research to select the applied test piece material. We make the experiments of simple tension, simple compression and uniform bending about the four kinds of celluloid which differ reciprocally the camphor content in regard to the dry base of nitrocellulose and about the two directions of the four celluloid materials which are rolling direction and perpendicular to it, then obtain the stress-strain diagrams, fringe order-strain diagrams and so the properties of the celluloid.Then the celluloid is found a suitable material that is applicable in the solution of the elastic-plastic problem of some metallic materials.
社団法人日本材料学会の論文