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A platform for research: civil engineering, architecture and urbanism
METHOD FOR PRODUCING PRECURSOR OF CARBON/CARBON COMPOSITE MATERIAL, AND METHOD FOR PRODUCING CARBON/CARBON COMPOSITE MATERIAL USING THE SAME
PROBLEM TO BE SOLVED: To provide a simple method for producing a carbon/carbon composite material that enhances the contribution of a carbon fiber to strength and elasticity modulus of a carbon/carbon composite material and eliminates production failures of peeling and the like in the production process of the carbon/carbon composite material.SOLUTION: A method for producing a precursor of a carbon/carbon composite material comprises a step of producing a carbon fiber nonwoven fabric containing a binder having low carbonization yield by using a short carbon fiber, a step of laminating the carbon fiber nonwoven fabric to formed into a predetermined shape and a step of heating the laminate of the carbon fiber nonwoven fabric formed into a predetermined shape to 400°C or higher.SELECTED DRAWING: Figure 1
【課題】炭素／炭素複合材の強度、弾性率における炭素繊維の寄与度を高め、且つ炭素／炭素複合材の製造過程における剥離等の製造不良を無くし、簡便な炭素／炭素複合材の製造方法を提供することを課題とする。【解決手段】炭素／炭素複合材料の前駆体を製造するための方法であって、短繊維炭素繊維を使用し、低炭化収率の結合剤を含有する炭素繊維不織布を製造するステップと、炭素繊維不織布を積層し、所定の形状に形成するステップと、所定形状に形成された炭素繊維不織布の積層物を４００℃以上に加熱するステップとからなる構成の方法とした。【選択図】図１
METHOD FOR PRODUCING PRECURSOR OF CARBON/CARBON COMPOSITE MATERIAL, AND METHOD FOR PRODUCING CARBON/CARBON COMPOSITE MATERIAL USING THE SAME
PROBLEM TO BE SOLVED: To provide a simple method for producing a carbon/carbon composite material that enhances the contribution of a carbon fiber to strength and elasticity modulus of a carbon/carbon composite material and eliminates production failures of peeling and the like in the production process of the carbon/carbon composite material.SOLUTION: A method for producing a precursor of a carbon/carbon composite material comprises a step of producing a carbon fiber nonwoven fabric containing a binder having low carbonization yield by using a short carbon fiber, a step of laminating the carbon fiber nonwoven fabric to formed into a predetermined shape and a step of heating the laminate of the carbon fiber nonwoven fabric formed into a predetermined shape to 400°C or higher.SELECTED DRAWING: Figure 1
【課題】炭素／炭素複合材の強度、弾性率における炭素繊維の寄与度を高め、且つ炭素／炭素複合材の製造過程における剥離等の製造不良を無くし、簡便な炭素／炭素複合材の製造方法を提供することを課題とする。【解決手段】炭素／炭素複合材料の前駆体を製造するための方法であって、短繊維炭素繊維を使用し、低炭化収率の結合剤を含有する炭素繊維不織布を製造するステップと、炭素繊維不織布を積層し、所定の形状に形成するステップと、所定形状に形成された炭素繊維不織布の積層物を４００℃以上に加熱するステップとからなる構成の方法とした。【選択図】図１
METHOD FOR PRODUCING PRECURSOR OF CARBON/CARBON COMPOSITE MATERIAL, AND METHOD FOR PRODUCING CARBON/CARBON COMPOSITE MATERIAL USING THE SAME
炭素／炭素複合材の前駆体の製造方法、およびそれを用いた炭素／炭素複合材の製造方法
TACHIBANA MASAHARU (author) / IWASE TORU (author) / IKEZAKI SHUJI (author)
2016-12-28
Patent
Electronic Resource
Japanese
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