一種形狀記憶合金超彈性拉、壓、扭阻尼器的研究.pdf

1、東南大學碩士學位論文一種形狀記憶合金超彈性拉、壓、扭阻尼器的研究姓名：邢德進申請學位級別：碩士專業(yè)：工程力學指導教師：韓玉林20030201碩士學位論文摘要AbstraetFirstlyexperimentaboutdynamicmechanicspropertiesofshapememoryalloy(SMA)wiresistestedinthispaperandthedataofstress—strainaregottenunder

2、conditionsofdifferentamplitudes，temperatures，frequenciesandcircletimesUsingtheexperimentaldataofstressstrainofthismaterial，weanalyzandcomparetheabilityofenergydissipationofSMAssuperelastieityunderdifferentconditionsSecon

3、dlyakindofSMAsuperelasticitydamperisdesignedand3dampersindifferentsizearemade，whichCandissipatedynamicenergyoftension，puttandtorsionatthesametimeBytheexperimentaldataofstressstrain，twokindsofsimplifiedrestoringforcemodel

4、sareproposed(theflagmodelandthetrianglemodel)Thenbasedontheabovemodels，energydissipationpropertiesforsuchkindofSMAsuperelasticitydamperareanalyzedFinallytension，pullandtorsionexperimentabout3SMAsuperelasticitydampersaret

5、estedThroughthecomparisonbetweentheexperimentalcurveandthetheoreticalcurve，itisfoundthattheexperimentalresultsareingooda莎eementwiththetheoreticalvaluesItisshowninthispaperthatthedevelopedSMAsuperelasticitydamperCalldissi

6、patedynamicenergyoftension，pullandtorsionatthesanletimeTheenergydissipationpropertyofthiskindofSMAdamperisquitegoodItisareasonableconclusionthatthedevelopedSMAdamperhasgoodpracticalapplicationprospectsintheareaofvibratio