Development of BC/BP Composites Containing Bacterial Cellulose and Si from Bamboo Charcoal and Friction and Wear Properties

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  • バクテリア・セルロースおよび竹炭由来Siを含んだBC/BPコンポジットの開発と摩擦・摩耗特性
  • バクテリア ・ セルロース オヨビ タケタン ユライ Si オ フクンダ BC/BP コンポジット ノ カイハツ ト マサツ ・ マモウ トクセイ

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Abstract

Over previous years, an increasing effort has been devoted to the use of nano particles and cellulose obtained from natural resources as reinforcing elements for the composites with polymeric matrices. Bacterial cellulose (BC) can be also used in composite materials, usually combined with both organic and inorganic particles. We have already developed the nano-C/C composites using BC and phenol resin, and wear and friction properties have been investigated. In this study, fabrication method of the BC/BP composites with bamboo charcoal particle (BP) as Si additive, and mass fraction effect of BP on the wear and friction properties were investigated. The dry sliding wear test for the composites had been carried out against the SUS304 counter face by using a pin-on-drum type tribological apparatus. From the wear test results, the wear and friction properties of the BC/BP composites were dependent on BP mass fraction and carbonizing temperature. The friction coefficients had low values of 0.15∼0.30, and the specific factors of wear element loss were 2.16×10−10∼1.12×10−9 mm2/N. The experimental results indicated that BP can be applied as filler which can provide lower wear and friction properties.

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