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石墨烯/酚醛树脂/炭纤维层次复合材料的制备及其性能 被引量:18
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作者 刘燕珍 李永锋 +2 位作者 杨永岗 温月芳 王茂章 《新型炭材料》 SCIE EI CAS CSCD 北大核心 2012年第5期377-384,共8页
分别以氧化石墨粉(GO)、还原氧化石墨烯乙醇悬浮液(RGO)和热法还原石墨烯粉(TRG)为填料,分散于酚醛树脂(PR)的乙醇溶液中,再将这些基体混合物涂覆于炭纤维(CF)布上,经热压成型工艺制备氧化石墨烯/酚醛树脂/炭纤维、还原氧化石墨烯乙醇... 分别以氧化石墨粉(GO)、还原氧化石墨烯乙醇悬浮液(RGO)和热法还原石墨烯粉(TRG)为填料,分散于酚醛树脂(PR)的乙醇溶液中,再将这些基体混合物涂覆于炭纤维(CF)布上,经热压成型工艺制备氧化石墨烯/酚醛树脂/炭纤维、还原氧化石墨烯乙醇悬浮液/酚醛树脂/炭纤维、热法还原氧化石墨烯/酚醛树脂/炭纤维层次复合材料。研究了GO、RGO和TRG对复合材料结构、压缩性能、弯曲性能及磨擦性能的影响。结果表明,与纯酚醛树脂/炭纤维复合材料相比,当纳米填料的质量分数仅为0.1%时,层次复合材料的压缩性能可显著提高,其中,热法还原氧化石墨烯/酚醛树脂/炭纤维的压缩强度和模量分别提高了178.9%,129.5%;弯曲性能也可得到一定的改善。还原氧化石墨烯乙醇悬浮液/酚醛树脂/炭纤维层次复合材料的最大储能模量可提高75.2%。所有改性石墨烯/酚醛树脂/炭纤维层次复合材料的Tg均有所降低。 展开更多
关键词 氧化石墨烯 还原氧化石墨烯 炭纤维 层次复合材料
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Material selection of polymeric composite automotive bumper beam using analytical hierarchy process 被引量:3
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作者 A.HAMBALI S.M.SAPUAN +1 位作者 N.ISMAIL Y.NUKMAN 《Journal of Central South University》 SCIE EI CAS 2010年第2期244-256,共13页
Selection of materials,as an area of design research,has been under considerable interest over the years.Materials selection is one of the most important activities in the product development process.Inappropriate dec... Selection of materials,as an area of design research,has been under considerable interest over the years.Materials selection is one of the most important activities in the product development process.Inappropriate decision of materials can cause the product to be reproduced or remanufactured.To avoid this circumstance,one of the useful tools that can be employed in determining the most appropriate material is analytical hierarchy process(AHP).To illustrate the application of AHP,six different types of composite materials were considered.The most appropriate one for suitability of use in manufacturing automotive bumper beam was determined by considering eight main selection factors and 12 sub-factors.The AHP analysis reveals that the glass fibre epoxy is the most appropriate material because it has the highest value(25.7%,mass fraction) compared with other materials.The final material is obtained by performing six different scenarios of the sensitivity analysis.It is proved that glass fibre epoxy is the most optimum decision. 展开更多
关键词 COMPOSITE polymer matrix bumper beam analytical hierarchy process
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