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时间:2020-04-22
《固结磨料抛光LiB3O5晶体的抛光液优化-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第41卷第6期硅酸盐学报Vo1.41,No.62013年6月J017IlNALOFTHECHINESECERAMICSOCIETYJune。2013DOI.10.7521~.issn.0454-5648.2013.06.12固结磨料抛光LiB3O5晶体的抛光液优化李军,-,李标1,2胡章贵,朱永伟,一,左敦稳1,2f1.南京航空航天大学机电学院,南京210016;2.江苏省精密与微细制造技术重点实验室,南京210016:3.中国科学院功能晶体与激光技术重点实验室,中国科学院理化技术研究所,北京100190)摘要:LiB3Os(LBO)非线性光学晶体软、脆的特点增加了超精密加工
2、的难度。采用固结磨料抛光技术对LBO晶体(11O)面进行抛光,研究酸性、中性和碱性抛光液pH值调节剂及pH值对晶体抛光材料去除率、表面形貌和表面粗糙度的影响。结果表明:酸性抛光液对LBO晶体表面的腐蚀作用太大,中性抛光液的腐蚀作用太小,不适合抛光LBO晶体;乙二胺配制pH值为11的无磨料碱性抛光液固结磨料抛光LBO晶体(11O)面,获得高的晶体表面质量,表面粗糙度S为1.94nm,表面损伤小。关键词:三硼酸锂晶体;固结磨料抛光;材料去除率;表面形貌;表面粗糙度中图分类号:TG356.28;TG580.692文献标志码:A文章编号:0454-5648(2013)064)789-
3、08网络出版时间:2013-05-2116:36:22网络出版地址:http://www.cnki.net/kcms/detail/11.2310.TQ.20130521.1636.012.htmlOptimizationofFixedAbrasivePolishingSlurryforLiB3OsCrystalL/Jun,LIBiao’。,HUZhanggui3,ZHUYongwei,ZUODunwen,2(1.CollegeofMechanicalandElectricalEngineering,NanjingUniversityofAeronauticsandAstro
4、nautics,Nanjing210016,China;2.JiangsuKeyLaboratoryofPrecisionandMicro-ManufacturingTechnology,Nanjing210016,China;3.KeyLaboratoryofFunctionalCrystalsandLaserTechnology,TechnicalInstituteofPhysicsChemistry,ChineseAcademyofSciences,Beijing100190,China)Abstract:ItisratherdifficulttoprocessLiB3
5、05(LBO)nonlinearopticalcrystalbyultraprecisionmachiningduetoitssoftandbrittleproperties.TheLBOcrystal(110)surfacewaspolishedbyusingafixedabrasivepolishingtechnology.Theefectsofacidic,neutralandalkalineslurrypHregulatorandpHvalueontheremovalrateofcrystalpolishing,surfacetopographyandsurfacer
6、oughnessofthematerialwereinvestigated.TheresultsshowthatthecorrosiveefectoftheacidicslurryontheLBOcrystalsurfaceisdominant,andtheefectoftheneutralslurryOlltheLBOcrystalsurfaceisslight,causingtheinappropriatepolishingofLBOcrysta1.However,theabrasive-freealkalineslurrywithethylenediarnineandp
7、Hvalueof11canbeefectiveforfixedabrasivepolishingofLBOcrystal(110)surface,obtainingahighsurfacequalityoft1lecrystalwiththesurfaceroughnessof1.94nnlandtheratherslightsurfacedamage.Keywords:lithiumtriboratecrystal;fixedabrasivepolishing;materialremovalrate;
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