日本金属学会誌

J. Japan Inst. Metals, Vol. 64, No. 3 (2000),
pp. 218-219

Detection of High Density of Cube Oriented Grains in a pure Aluminum Sheet for Capacitor

Fumie Seki

Department of Materials Science, School of Engineering, The University of Tokyo, Tokyo 113--8656

Abstract:

For production of pure aluminum capacitor foils, it is essential to develop a cube texture in the thin foil. This letter presents a detection of layers containing high density of cube oriented grains in an aluminum sheet of 500 μm thickness, annealed at 300°C. The cube oriented grains formed during an intermediate annealing, probably contribute to the highly--developed cube texture through an additional process. Distribution of the crystallographic orientation in inhomogeneous textures of a transverse section were studied by electron back scatter diffraction pattern measurements.


(Received December 3, 1999; In Final Form January 24, 2000)

Keywords:

cube texture, recrystallization, texture control, aluminum capacitor foil, crystallographic orientation distribution, electron backscatter diffraction pattern: EBSP


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