聊城大學本科畢業(yè)論文

1、目錄摘要............................................................................................................IAbstract...................................................................................................

2、...II1.引言引言.......................................................................錯誤!未定義書簽。1.1.壓電材料概述......................................................................................................31.2.無鉛壓電陶瓷研究意義及現(xiàn)

3、狀.........................................................................41.2.1.無鉛壓電陶瓷研究意義.............................................................................41.2.2.鉍層狀壓電陶瓷的特點...................................

4、..........................................41.3.研究內容..............................................................................................................51.3.1.研究內容................................................

5、.......................................................52.SrCaBiSrCaBi4x4xErErxTiTi5O1818壓電陶瓷的制備過程壓電陶瓷的制備過程...............................62.1.藥品試劑及儀器......................................................................

6、...........................62.1.1.藥品試劑.....................................................................................................72.1.2.儀器........................................................................

7、.......................................72.2.實驗工藝流程圖.................................................................................................82.3.實驗工藝過程.............................................................

8、........................................93.結果與討論結果與討論.......................................................................................103.1.X射線粉末衍射分析(XRD)............................................................

9、.................103.2.微觀形貌分析(SEM).........................................................................................133.3.陶瓷樣品電性能測試.......................................................1錯誤錯誤!未定義書簽。未定義書簽。結論.......

10、.................................................................................................110參考文獻參考文獻..................................................................................................116致謝.........

11、...............................................................................................117聊城大學本科畢業(yè)論文IIIIAbstractBismuthtitanatecalciumSrCaBi4xErxTi5O18(CBT)leadfreepiezoelectricceramicsisthemostwidelyresearchinre

12、centyearsthemostattractiveoneofleadfreepiezoelectricceramicperovskitestructuresystem.ButasaresultofCBThashighcoercivefieldconductivitysoitisdifficulttopolarization.TherefesimpleCBTceramicsaredifficulttopracticalapplicati

13、on.InrecentyearspeopleofCBTbasedpiezoelectricceramicswasstudiedbymeansofalotofmodification.ThisarticledescribespreparationbysolidphasesinteringSrCaBi4xErxTi5O18usetheD8AdvanceXraydiffractionanalyzerJSM6380LVtypeofscannin

14、gelectronmicroscopy(sem)analysisobservationobjectstructurethesurfacemicrostructureofceramicsamplesusingthedielectricferroelectricmeasurementmethodfthepreparationoftheelectricalpropertiesofpiezoelectricceramicshascarriedo

15、nthepreliminaryresearch.Theresultsshowthatwiththeincreaseofthecontentoferbiumitssmallergrainsizedielectricconstantisalsosmaller.ThedielectrictemperaturespectrumshowsthattheCurietemperatureoftheceramicsisabout320℃theprese