514 アルミニウム系多機能機械材料システムの創製(金属/金属基複合材料)

概要

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Multifunctional mechanical material systems classified into three types due to innovative processing and designing concept are introduced in this study. As the Type I material system, that is, a composite of a fragile functional material and a reliable metal matrix, the metal-core piezoelectric ceramic (PZT) fiber/aluminum composite was successfully fabricated by the interphase forming/bonding method without fracture, and its sensing capability of vibration was clarified. As the Type II material system, that is, a composite of competitive structural materials, of which common properties are maintained and the other dissimilar properties conflict with each other and generate functions, the CFRP/aluminum active laminate was selected. Its high performance type was fabricated by introducing hollow channels in the active laminate, and it was found that the cooling rate of the active laminate having hollow channels was greatly improved by water-flow cooling. As the Type III material system, that is, a composite of conventional materials having specific structures which generate multiple functions, a surface-oxidized titanium fiber/aluminum multifunctional composite was selected, and its multi-functionality was successfully demonstrated.
一般社団法人日本機械学会の論文
2009-11-06