TiNi形狀記憶合金多級執(zhí)行器的可行性研究.pdf

1、同濟大學碩士學位論文TiNi形狀記憶合金多級執(zhí)行器的可行性研究姓名：何芳申請學位級別：碩士專業(yè)：機械制造及其自動化指導教師：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