G0400-2-5 炭化MFCの炭素前駆体樹脂への添加による炭素繊維強化炭素複合材料(C/Cコンポジット)の機械的特性の改善([G0400-2]機械材料・材料加工部門一般(2):非金属材料の力学)

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The purpose of this paper is to evaluate the effect of modification with CMFC on Bending strength and Mode II fracture toughness of C/C composite. C/C composites in which the carbon matrix was modified with 0, 1, 3 and 5 wt% of CMFC(Carbonized Micro Fibrillated Cellulose) were prepared and characterized by mercury intrusion porosimetry, three point bending and ENF test, respectively. Test results showed that the volume of voids was decreased and the significant improvement in the three point bending strength and Mode II fracture toughness was appeared when the matrix was modified with 1wt% of CMFC. However, modification with 3 and 5 wt% CMFC were not effective for improvement of these properties, while the volume of voids was decreased. This paper found that the modification of carbon precursor with appropriate addition of CMFC was effective for improvement of Mode II fracture toughness of C/C composite.
一般社団法人日本機械学会の論文
2010-09-04