鋁合金微弧氧化陶瓷層生長過程及絕緣性能的研究

1、西安理工大學碩士學位論文鋁合金微弧氧化陶瓷層生長過程及絕緣性能的研究姓名：李均明申請學位級別：碩士專業(yè)：材料學指導教師：井曉天20020101壘曼盟墾壘堅STUDYoFGROWTHPRoCESSANDINSULATEDPRoPERTIESoFCERAMICCoATINGSFoRMEDBYMICRoARCoXIDATIoN0NALUMINUMALLoYSSUBJECT：MATE砒AL、AuTHoR：LjJHnmingsIGNATuRE：L

2、』二丑竺：：!!吖ADVIsoR：ProJing’xiaotiansIGNATuI汪：j五選芝叁!童i匆ProJiang—BaiiingREPLYDATE：200209ABSTRACTThegro、vthprocessandmechanismofcer柚iccoatingsfbⅡnedbymicroarcoxidationonaluminumaIIoyswerestudiedbytheanalysisoft11esurf犯eandsec

3、tiona】panemforceramiccoatingsThefactorsinVestigatedwhichinnuencedthecemmiccoat|ngsoni11sulatedpmpenieswereanaIyzedconsequemly，Andphasedist—butionandconstimemsofceramic∞atingswereinVestigatedusingXravdi衢actometer，Theresul

4、tSindicatethattheconductivityandpHvalueofsolutionandtheenergyofpowersupplyaretheimportamfactorsinnuencingoninsulatedpropertiesThegrowtIrateofceramiccoatingsincreaseswhlletheene唱yconsumedinthes01utiondecreaseswiththeincre

5、aseinmeconductiVityofsolution，sothattheutilizationranoefnciencyofenergypowersuppIyisimproVedThepHValuec鋤decidemefbnnationofcoatingsa11dinnuencetherateoffbrmatjonThepHValuet0fonllcoatingsrangesf而m75t013for0y12Butmicro—arc

6、oxidationcanh印peninthesolutionofpHvalueexceeded13whentheinsulateco砒ingfomedonthealuminumbeforeha|1dThechoicea11dcontro】ofelectricalparameterplayakeyr01einthegro州hrateandinsulatedpropeniesofceramiccoatingsThemoreene曙ydens