磁流变抛光液性能及加工参数优化的研究

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1、南京航空航天大学硕士学位论文databaseforMRF.Appropriateprocessingparametersshouldbeselectedaccordingtotheactualprocessingrequirements.Someoccasionswhichneedmassmaterialremoval(suchasroughprocessing),largeprocessingdepth,processingdepth,irongranularityandconcentrationofceriumoxideshoul

2、dbeapriority.Sametimesmallceriumoxidegranularityshouldbealsofirstchoice.ExperimentsprovethatdischargeofMRfluidvariesfrom40to50ml/min,irongranularityvariesfrom2.5to4μm,ceriumoxidegranularityvariesfrom1.2to1.8μmhavelittleimpactontheshapeofspot.Suchprocessparametersaresuit

3、ableforsurfacemodificationorotherdeterministicprocessing.4.TooptimizepolishingprocessparametersbasedonorthogonalexperimentMaterialremovalrateandsurfaceroughnessareselectedasthetargetprocesses.Mainfactorsincludingprocessingdepth,dischargeofMRfluid,concentrationofceriumox

4、ideandceriumoxidegranularityhadbeenconsidered.Orthogonalexperimentwithfourfactorsandthreelevelshadbeenconductedinordertosearchthelawbetweenmainfactors,removalrate,andsurfaceroughness.Graycorrelationanalysishadbeenadoptedtooptimizethetwotargetprocesses.Keyword:MRFluid,MR

5、F,Sedimentation,RemovalFunction,ProcessOptimizationiii万方数据磁流变抛光液性能及加工参数优化的研究目录第1章绪论........................................................................................................................................11.1磁流变液研究背景.......................................

6、......................................................................11.1.1引言......................................................................................................................11.1.2磁流变液组成..............................................................

7、........................................11.1.3磁流变液性能......................................................................................................21.1.4MRFluid国内外研究情况...................................................................................31.2磁流变抛光背景..

8、..............................................................................................................