碳纤维增强砖钻削分层的研究.doc

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1、道蒯架儋颌艇垄尼哑丶匣绕舄鼾附录A外文翻译－原文部分奋馕亥凵厂窄闻媾瑞峨捞勘迸肠Studyofdelaminationindrillingcarbonfiberreinforced褂傩筘卦勤弋铁未偎攻橇元嘎鲩plastics(CFRP)usingdesignexperiments鹞皇嘴鹿檬齐人韭阗啤绒赓脾棹J.P.Davim*,PedroReis睬庖苠崆滠氍申岵沭抱缣侵圪守DepartmentofMechanicalEngineering,UniversityofAveiroCampusSantiago,3810-193Aveiro,Portugal链鲮沟藜苑肟沏墩绰募妃魂是茁

2、Abstract奢杌花辫睿酴毽岘缬胶眺颅饣拒Inthispaperispresentedanewcomprehensiveapproachtoselectcuttingparametersfordamage-freedrillingincarbonfiber澄左粱薨肢寞然蛎喝洁绀素蜘弛reinforcedepoxycompositematerial.TheapproachisbasedonacombinationofTaguchi_stechniquesandontheanalysisofvariance(ANOVA).Aplanofexperiments,basedonthe

3、techniquesofTaguchi,wasperformeddrillingwithcuttingparametersprefixedinanautoclavecarbonfiberreinforcedplastic(CFRP)laminate.TheANOVAisemployedtoinvestigatethecuttingcharacteristicsofCFRP_susinghighspeedsteel(HSS)andCementedCarbide(K10)drills.Theobjectivewastoestablishacorrelationbetweencutt

4、ingvelocityandfeedratewiththedelaminationinaCFRPlaminate.Thecorrelationwasobtainedbymultiplelinearregression.Finally,confirmationtestswereperformedtomakeacomparisonbetweentheresultsforeseenfromthementionedcorrelation._2002ElsevierScienceLtd.Allrightsreserved.挣堇际窟悯刎编碘铐苒思征亡琵Keywords:Drilling;C

5、arbonfiberreinforcedplastics;Delaminationfactor;Taguchi_stechniques;Analysisofvariance.萜霸苘闭抡掷眭叛惑钟惕钐锃韩1.Introduction庆飕饷綮藜悦璁破骇坨租滩童驱Owingtothegrowinguseofcompositematerials,specificallythefiberreinforcedplastics(FRP)outsidethedefenceindustryandtheaerospaceindustry,theunitcostreplacestheperforma

6、nceatanycostasthemainconcernforproduction.So,theproductiontechnologies,especiallythemachiningofcomposites,areassumingamoreandmoresignificantroleastheyconditiontheeconomicviabilityoftheproduct.Machiningcompositematerialsisarathercomplextaskowingtoitsheterogeneity,heatsensitivity,andtothefactt

7、hatreinforcementsareextremelyabrasive.Conventionalmachiningmethodsshouldbeadaptedinsuchawaythattheydiminishthermalandmechanicaldamage.鲍躐鞴镀沱擐盗蘸媚僮珀禾诨截Drillingisafrequentlypracticedmachiningprocessinindustryowingtotheneedforcomponentassemblyinmechanic