Orientation Determination of Cubic Crystal Plates by the Light-Figure Method

概要

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A procedure of the perfect, accurate, and rapid orientation determination by the light-figure method of cubic crystal plates, in particular, strips has been worked out. Full accounts are given of the procedure for the orientation determination, of the kind of applicable light figures or of accurately determinable orientation angles, of the stereographic representation of orientations, and of the accuracy in orientation determination with reference to actual examples of iron and silicon iron strip crystals. It is shown that the kind of applicable light figures or of accurately determinable orientation angles depends on the crystal orientation to be determined, of which the relation indicates that the perfect orientation determination can be made for most crystals of which the orientations of the plate normal lie close to the [100], [110], or [111] direction. Orientations of single crystal strips of pure iron and silicon iron can be determined with an accuracy well within ±0.5°by this meteod.
東北大学の論文