碳納米管-鋁基復合材料的制備及其性能研究.pdf

1、蘭州大學碩士學位論文碳納米管鋁基復合材料的制備及其性能研究姓名：華巍申請學位級別：碩士專業(yè)：材料科學與工程、材料物理與化學指導教師：徐金城20100501蘭州大學碩士研究生學位論文AbstractAluminumbasedcompositematerialshastheadvantageoflightquality，thermostable，corrosionresistance，excellentmechanicalpropertie

2、sandSOonBut謝tlIthedevelopmentoftheaviation、spaceflight、autoindustry，thetraditionalcarbonfibers、SiC／aluminumbasedcompositematerialscallnottomeettheincreasingrequirementsCNTshasthemuchbettermechanicalpropertiesthanconventi

3、onalcarbonfibersandSiCSoCNTSusedtobeasanewreinforcementintoaluminumbasedcompositematerialshasgoodforeground1Toimprovetheinterfaceperformancebetweenthecarbonnanotubesandaluminumbased，carbonnanotubesarepreparedtobecoatedco

4、pperbychemicalplatingmethodWemadesuretheoptimumconditionsintheexperiment2Inthisthesis，CNTsreinforcedaluminumbasedcompositematerialswerepreparedbypowdermetallurgytechnology塒tlloptimumprocess，achievesthecompactnessof97％ofp

5、urealuminumbasedcompositematerialsand95％of2024aluminum—basedcompositematerials3TherigidityandtensilestrengthofCNTs／AIcompositeswereinvestigatedThemainresultsareasfollows：3v01％CNTspurealuminum—basedand2024aluminumbasedcom

6、positematerialsallhadthebestmechanicalpropertiesTheri百di夠andtensilestrengthallhadthedifferentlevelstoimprove4ThewearrateofCNTs／AIcompositesaretestedunderdifferentloadandslidingspeedTheresultsshowthatthewearperformancesof

7、CNTs／AlcompositesaresignificantlybetterthanAImatrixThewearrateof3v01％CNTs／AIcompositeisthelowestAstheaugmentofloadandslidingspeedinthetest，thewearrateofmaterialshavethetrendofincreaseKeyword：carbonnanotubespowdermetallur