TiNi形狀記憶合金多級(jí)執(zhí)行器的可行性研究.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文TiNi形狀記憶合金多級(jí)執(zhí)行器的可行性研究姓名：何芳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械制造及其自動(dòng)化指導(dǎo)教師：馬奎20060901ABSTRACTABSTRACTThedevelopmentofscience，technologyandeconomyindicatedthat，eachsignificantnewtechnicaldiscoveryandtheemergingindustrialformationdepen

2、donthedevelopmentofnewmaterialTheshapememoryalloyissuchakindoffunctionalmaterialIthasnotonlythesensingfunction，butalsocontrolandtheenhancementfunctionSoitmayrealizethecontrolsystemmicrominiaturizationandtheintellectualiz

3、ation。Inrecentyears，peopleattachimportancetomadethesmartactuatorwiththeTiNialloyTheparameterofheattreatmentdecidestheshapememoryeffectInordertealizetheexpectationofactuatorfunction，theemphasisistochoosetheappropriateheat

4、treatmentmethodandtheparameterFirstlytheheattreatmentiscarriedonthewholetestsampleofTiNishapememoryalloyobserve，compareandsummarizethemechanicalpropertythermodynamicsperformance，aswellasshapememoryeffectundereachheattrea

5、tmentparameterWewilltake4methodsofanalysis：Themicroscopetoobservemetallographystructure，theDSCtosurveytransformationtemperature，threecurvingexperimentstoobtainthemechanicalpropertyandreplyexperimenttoobservetheshapememor

6、yeffectItsresultwillbethefoundationforthepartialheattreatmentThisarticleselectstwopartialheattreatmentways，withlaserandwiththeelectricirontocarryontheheattreatmentItisdiscoveredthrouglltheexperiment，althoughthesetwoheatt

7、reatmentmethodsallmayhavetheshapememoryeffect，buttheresultisnotextremelyidealItneedstobeimprovedinthelaterworkThen，establishesasimplemodelofgraduationactuatorandobservesthismodel，tofindthechangerulealongwiththetemperatur

8、eincrementFinallysummarizestheeffectinfluenceoftheheattreatmentparametertotheTiNialloyshapememoryandappraisesthegoodandbadpointsofbothpartialheattreatmentways，proposestheimprovementmeasureforthefurtherworkKeyword：Shapeme