钨酸锆对cfrp热膨胀性能的影响

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1、哈尔滨工业大学工学硕士学位论文tungstateparticles.WiththeincreaseoftheZrW2O8content,thebendingstrengthandtensilestrengthofcastbodyincreasesgradually.Itisstarttodeclineafteracertainvalue.Whenω(ZrW2O8):ω(TDE-85)=12:100,thebendingstrengthandtensilestrengthofcastbodyisthemaximum,anditsvalueincreasedto8

2、1.46MPaand132.76MPa.thebendingstrengthandtensilestrengthofcastbodyisincreasedby31.28%and22.54%,comparedtothespecimensofTDE-85epoxyresinthatisnotaddedthezirconiumtungstateparticles.ObservedthesectionoftensilespecimensusingSEMequi[ment,thetestrestltsshowsthatthetensilefractureofcastbo

3、dyisaductilefracturecharacteristics.Inthisexperiment,itispreparedCFRPcompositematerialsusingtheresinsolutionthatistheprepregwiththeratioofω(ZrW2O8):ω(TDE-85)=12:100.Thelinearexpansioncoefficients,impactstrength,tensilestrength,tensilefracturesurfaceofCFRPcompositematerialsaremeasure

4、d.Theresultsshowedthat:The-7thermalexpansioncoefficientofCFRPcompositematerialsdroppedto2.57×10℃,theflexuralstrengthandtensilestrengthofCFRPcompositematerialsincreasedto1687.06MPaand2483.15MPa.ThethermalexpansioncoefficientofCFRPcompositematerialsisreducedby10.13%,thebendingstrength

5、ofCFRPcompositematerialsincreasedby14.22%,thetensilestrengthofCFRPcompositematerialsincreasedby9.1%,comparedtothespecimensofofCFRPcompositematerialsthatisnotaddedthezirconiumtungstateparticles.Keywordszirconiumtungstate,TDE-85epoxyresin,CFRP,coefficientofthermalexpansion,micro-expan

6、sionIII哈尔滨工业大学工学硕士学位论文目录摘要.................................................................................................................................IAbstract.......................................................................................................................

7、......II目录..............................................................................................................................IV第一章绪论.....................................................................................................................11.1课题背景及研究的意义.........

8、...................