生体用炭素繊維/セラミックス複合材料の開発とその超塑性(オーガナイズドセッション,超塑性と材料および造形法)

概要

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A purpose of this study is a development of high performance bio-ceramics composite materials, which have more excellent mechanical properties and high fracture toughness to be nearly equal to the characteristics of the human fine bone. For the purpose, hydroxyapatite (HAp), which had excellent bio-compatibility and organism activity, was reinforced by carbon fibers (CF) having bio-adaptability. The carbon fiber reinforced bio-ceramics composite materials (CF/HAp) were manufactured, and the mechanical properties were evaluated. And in order to examine a superplastic phenomenon, the coefficient of strain rate sensitivity (m value) was evaluated by strain-rate-jump tests. The m values of HAp and CF/HAp were 0.37 and 0.27 respectively. They showed the possibility of processing using superplastic deformation.
社団法人日本機械学会の論文
2004-09-23