國產(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）