Laser machining of structural ceramics—A review.pdf

《Laser machining of structural ceramics—A review.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、Availableonlineatwww.sciencedirect.comJournaloftheEuropeanCeramicSociety29(2009)969993ReviewLasermachiningofstructuralceramicsAreviewAnoopN.Samant,NarendraB.Dahotre∗DepartmentofMaterialsScienceEngineering,TheUniversityofTennessee,Knoxville,TN37996,UnitedStatesReceived24July2008;receivedinrevisedfo

2、rm11November2008;accepted13November2008Availableonline6January2009AbstractOutstandingmechanicalandphysicalpropertieslikehighthermalresistance,highhardnessandchemicalstabilityhaveencourageduseofstructuralceramicsinseveralapplications.Thebrittleandhardnatureoftheseceramicsmakesthemdifficulttomachineu

3、singconventionaltechniquesanddamagecausedtothesurfacewhilemachiningaffectsefficiencyofcomponents.Lasermachininghasrecentlyemergedasapotentialtechniqueforattaininghighmaterialremovalrates.Thisreviewpaperaimsatpresentingthestateoftheartinthefieldoflasermachiningofstructuralceramicsandemphasizesonexper

4、imentalandcomputationalapproachesinunderstandingphysicalnatureofthecomplexphenomena.©2008ElsevierLtd.Allrightsreserved.Keywords:SiC;Al2O3;MgO;Si3N4;TraditionalceramicsContents1.Introduction............................................................................................................9

5、702.Fabricationtechniques...................................................................................................9702.1.Mechanicalmachining............................................................................................9702.1.1.Abrasivemachining/grinding.....................

6、..........................................................9702.1.2.Ultrasonicmachining(USM)...............................................................................9712.1.3.Abrasivewaterjetmachining(AWJM)......................................................................9712.2.Chemicalmac

7、hining(CM).........................................................................................9712.2.1.Chemicalmechanicalmachining(CMM)...................................................................9712.