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國(guó)產(chǎn)大絲束碳纖維及其復(fù)合材料性能研究

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Research on the performance of domestic large - tow carbon fiber and its composites

JI Danyang*, ZHAO Liang,LIU Jiwei, XU Fangfang, JIANG Jiliang,SUN Haiyang,LIU Shaoxuan,CHEN Yu(HarbinFRPInstituteCo.,Ltd.,Harbin150028)

Abstract:Based on aspecific modelof composite pressure vessel,thisstudy investigated the properties and interfacial characteristicsofdomesticalyproduced T7Oo large-towcarbonfibercomposite.Theresultsdemonstratethatthedomestic T700-24K carbonfiber exhibitsatensilestrengthof 5660.89 MPaandatensilemodulus of252.24GPa.Theunidirectionallaminatecomposite madefromdomestic T7oo-24Kachievesatensilestrengthof2744.94MPaandaninterlaminar shearstrengthof 94.87MPa.Thedomestic T7oo-24Kcarbonfiberdemonstrates excellentmechanicalproperties and stable processing performance,meeting the requirements of the specific product models.

Keywords:domestic T7OO carbon fiber;composite materials;mechanical properties

1引言

碳纖維是一種碳元素含量在 90% 以上的高強(qiáng)度特種纖維材料[1]。(剩余4726字)

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