原子力顯微鏡應(yīng)用于納米管表征與力學(xué)測(cè)量的研究.pdf

1、東南大學(xué)碩士學(xué)位論文原子力顯微鏡應(yīng)用于納米管表征與力學(xué)測(cè)量的研究姓名：王靜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：生物電子學(xué)指導(dǎo)教師：顧寧2000.5.1東南大學(xué)碩士學(xué)位論文ABSTRACTCarbonnanotubesarcwidelyappliedinstrong，lighrweightcompositesfortheirextraordinarymechanicalpropertiessuchashighstiffness、lowdensitya

2、ndexceptionallyhighelasticmodulusThedesignofnewcompositesrequiresUStounderstandtheirabovemechanicalpropertiesAmongthese，themeasurementandanalysisonsuchmechanicalpropertiesaselasticmodulusandshearmodulusofcarbonnanotubesa

3、reoneoftheimportantpremisesandbasesofthiskindofresearchThepotentialofdetectingtheforcebetweentipandsampleofAtomicForceMicroscopy(ArM)suppliesaneffectivesurfaceanalysistOOlandmethodforthestudyTheobjectiveofthisdissertatio

4、nistubularnano。materialsdispersedonmultiporousgrating(includingmultiwalledcarbonnanotubesandmoderatefiberincytoskeletalsystemextractedfrommousebellymacrophage)Thepotentialofdetectingtheforcebetweentipandsampleincontactmo

5、deofArMisusedtOestimatethebendingelasticmodulusoftheabovetwokindsofnanotubesAndthemeasurementofmechanicalconstantsofmicrotubulesincytoskeletalsystemofbiologicalbodyisforecastedI’hemainofcontentsofthisdissertationareasfol

6、lows：1Thepotentialofdetectingtheforcebetweentipandsampleisdescribedindetail，whichestablishesthetheoreticalbaseoffurtherresearch2Carbonnanotubespreparedbydifferentmethodsfcatalyticsynthesis，arc—dischargemethod)aredisperse

7、dunderdifferentreagentanddifferentdispersiontimeAtthesametime，AFMisusedtocharacterizethesurfacemorphologyofthesesamples3TheclampedbeammodelinmacroscopicmechanicsisextendedtomicroscopicfieldBycalculatingtherelationbetween

8、forceanddeflection，thebendingelasticmodulusofcarbonnanotubepreparedbyarCdischargemethodisestimatedAtthesametime，theerroranalysisisdone／一4Underdifferentexperimentalconditionsthecytoskeletalsystemofmousebellymacrophageisex