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碳纤维电阻率的评价表征
引用本文:何凤梅,李建平,陈聪慧,张正龙,孙银洁.碳纤维电阻率的评价表征[J].宇航材料工艺,2010,40(2).
作者姓名:何凤梅  李建平  陈聪慧  张正龙  孙银洁
作者单位:1. 航天材料及工艺研究所先进功能复合材料技术国防科技重点实验室,北京,100076
2. 北京航天计量测试技术研究所,北京,100076
摘    要:通过对QJ3074-1998中的测试原理和测试夹具的改进,提高了四探针法线材电阻率测试仪的测试精度并拓宽了测试范围,获得了试验验证.通过试样长度对测试结果的影响及试验条件对测试结果的影响等试验,系统评价表征了各种碳纤维的电阻率,为建立碳纤维电阻率测试方法标准奠定了重要的技术和数据基础.

关 键 词:碳纤维  电阻率  测试方法  评价方法

EvaluationandCharacterizationonElectricResistivityofCarbonFiber
Institution:NationalKeyDefenseLaboratoryofAdvancedFunctionalCompositeMaterialsTechnology,AerospaceResearchInstituteofMaterials& ProcessingTechnology,Beijing 100076;BeijingAerospaceInstituteforMeasuringandTesting,Beijing 100076
Abstract:By improving testing principle and testing tongs in QJ3074--1998, ,the testing accuracy of four probe method for electric resistivity of wire materials was raised and the testing scope was widened. Through the experiments of the effect of sample length and testing conditions on the testing results ,the electric resistivity of various carbon fibers is characterized systematically and that laid an important technical foundation for establishing standard of the testing method of electric resistivity for carbon fibers.
Keywords:Carbon fiber  Electric resistivity  Testing method  Evaluating method
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