碳纳米管-银复合材料力学性能研究Processing and Mechanical Properties of Carbon Nanotubes-silver Composites
凤仪,袁海龙,张敏,冯建平
摘要(Abstract):
采用粉末冶金方法制备碳纳米管银复合材料,研究了碳纳米管的含量对碳纳米管-银复合材料的硬度、抗弯强度影响。实验表明:当碳纳米管的含量小于11%时,复合材料的密度、硬度较好,碳纳米管起到了增强作用;当碳纳米管的含量大于11%时,由于碳纳米管的团聚,导致复合材料密度、硬度迅速下降;由于碳纳米管和银的弱界面结合,以及碳纳米管在拉应力条件下载荷传递的效力比在压应力时低,使得碳纳米管对复合材料抗弯强度的增加不明显。
关键词(KeyWords): 碳纳米管;复合材料;力学性能
基金项目(Foundation): 国家自然科学基金 (50 2 71 0 2 1 ) ;; 安徽省自然科学基金(0 30 4 4 60 1 ) ;; 日本NSGF基金项目
作者(Author): 凤仪,袁海龙,张敏,冯建平
参考文献(References):
- 1 ZhaoH ,BarberGC ,LiuJ.Frictionandwearinhighspeedslidingwithandwithoutelectricalcurrent[J].Wear,2001,249:409~414.
- 2 RapoportL ,ParkanskyN ,LapskerI.EffectoftransversecurrentinjectiononthetribologicalpropertiesofWCcementedcarbide[J].Wear,2001,249:1~5.
- 3 凯尔A ,默尔WA .电接触和电接触材料[M].北京:机械工业出版社,1993.
- 4 WangCF ,FengY ,ZhangXG .Physicalpropertiesofshortcarbonfiberreinforcedsilvercomposites[J].ActaMetallurgicalSinica,1994,7(3):157~160.
- 5 LauKT ,ShiSQ ,ChengHM .Micro mechanicalpropertiesandmorphologicalobservationonfracturesurfaceofcarbonnanotubecompositespre treatedatdifferenttemperatures[J].CompositesScienceandTechnology,2003,63:1161~1164.
- 7 NingJW ,ZhangJJ.FabricationandmechanicalpropertiesofSiO2 matrixcompositesreinforcedbycarbonnanotube[J].MaterialsScienceandEngineering,2003,A357:392~396.
- 7 QianD ,DickeyEC .Loadtransferanddeformationmechanismsincarbonnanotube polystyrenecomposites[J].AppliedPhysicsLetters,2000,76(20):2868~2870.
- 8 丛洪涛,钟蓉,成会明,卢柯.单壁碳纳米管纳米铝基复合材料的增强效果[J].材料研究学报,2003,17(2):132~137. CongHong tao,Zhongrong,ChengHui ming,LuKe.ReinforcingeffectsofSWNTassociatedwithnanoAlbase[J].ChineseJournalofMaterialsResearch,2003,17(2):132~137.
- 9 FengY ,YuanHL .Electrolessplatingofcarbonnanotubeswithsilver[J].JournalofMaterialsScience,2004,39:3241~3243.
- 10 凤仪,应美芳,魏光霞,王成福.碳纤维不同分布的碳纤维铜复合材料的热膨胀系数[J]金属学报,1994,30(9):B432~434. FengYi,YingMei fang,WeiGuang xia,WangCheng fu.RelationbetweenthermalexpansioncoefficientsofCF Cucompositesanddistributionoffibers[J].ActaMetallurgicaSinica,1994,30(9):B432~434.
- 11 CumingsJ,ZettlA .Low frictionnanoscalelinearbearingrealizedfrommultiwallcarbonnanotubes[J].Science,2000,289:602~604.
- 12 SchadlerLS,GiannarisSC ,AjayanPM .Loadtransferincarbonnanotubeepoxycomposites[J].AppliedPhysicsLetters,1998,73(26):3842~3844.
- 13 凤 仪,应美芳,王成福.碳纤维含量对碳纤维铜复合材料性能的影响[J].复合材料学报,1994,11(1):37~41. FengYi,YingMei fang,WangCheng fu.Influenceofvolumeofshortcarbonfiberonthepropertiesofcomposites[J].ActaMateriaeCompositaeSinica,1994,11(1):37~41.
- 14 WangerHD ,LourieO ,FeldmanY ,TenneR .Stress inducedfragmentationofmultwallcarbonnanotubesinapolymermatrix[J].AppliedPhysicsLetters,1998,72(2):188~190.
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||