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ID:51991046
大小:69.50 KB
页数:10页
时间:2020-03-21
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1、附录A外文翻译一原文部分Studyofdelaminationindrillingcarbonfiberreinforcedplastics(CFRP)usingdesignexperimentsJ.P.Davim*,PedroReisDepartmentofMechanicalEngineering,UniversityofAveiroCampusSantiago,3810・193Aveiro,PortugalAbstractInthispaperispresentedanewcomprehensiveapproach
2、toselectcuttingparametersfordamage-freedrillingincarbonfiberreinforcedepoxycompositematerial.TheapproachisbasedonacombinationofTaguchi_stechniquesandontheanalysisofvariance(ANOVA).Aplanofexperiments,basedonthetechniquesofTaguchi,wasperformeddrillingwithcuttingpar
3、ametersprefixedinanautoclavecarbonfiberreinforcedplastic(CFRP)laminate.TheANOVAisemployedtoinvestigatethecuttingcharacteristicsofCFRP_susinghighspeedsteel(HSS)andCementedCarbide(K10)drills.Theobjectivewastoestablishacorrelationbetweencuttingvelocityandfeedratewit
4、hthedelaminationinaCFRPlaminate.Thecorrelationwasobtainedbymultiplelinearregression.Finally,confirmationtestswereperformedtomakeacomparisonbetweentheresultsforeseenfromthementionedcorrelation._2002ElsevierScienceLtd.Allrightsreserved.Keywords:Drilling;Carbonfiber
5、reinforcedplastics;Delaminationfactor;Taguchi_stechniques;Analysisofvariance.1.IntroductionOwingtothegrowinguseofcompositematerials,specificallythefiberreinforcedplastics(FRP)outsidethedefenceindustryandtheaerospaceindustry,theunitcostreplacestheperformanceatanyc
6、ostasthemainconcernforproduction.So,theproductiontechnologies,especiallythemachiningofcomposites,areassumingamoreandmoresignificantroleastheyconditiontheeconomicviabilityoftheproduct.Machiningcompositematerialsisarathercomplextaskowingtoitsheterogeneity,heatsensi
7、tivity,andtothefactthatreinforcementsareextremelyabrasive.Conventionalmachiningmethodsshouldbeadaptedinsuchawaythattheydiminishthermalandmechanicaldamage.Drillingisafrequentlypracticedmachiningprocessinindustryowingtotheneedforcomponentassemblyinmechanicalpiecesa
8、ndstructures.Thedrillingoflaminatecompositematerialsissignificantlyaffectedbythetendencyofthesematerialstodelaminateandthefiberstobondfromthematrixundertheacti
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