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ID:33357261
大小:4.13 MB
页数:90页
时间:2019-02-25
《化学沉积稀土多元钴基软磁薄膜结构和性能的研究》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、化学沉积稀土多元钴基软磁薄膜结构和性能的研究’攘妥零文采用正交实验和回归分析的方法t确患了稀±他学沉积Co-Ni-B·RE、co,F即B.RE多元钴蒸敬磁薄膜的]:艺流程、镀液配方和实验参数,并通潋对合畿镀瑟鹣壤势翥鬣嚣是、澎羲蘩掏努錾鬻力学爨攀链蕤谤嵇,翳巍了穗主嚣素、裁声波、磁场奔入化学淡积多元镳基较戳薄膜工戆最,jl壹念金成分、绩梭鞠性能舱作用机制。结果显示化学沉积Co.Ni.B、cmFe-BI艺程稀土元辫(Ce、La、Y、D,)、麓耋f麓声波、激殇)赍入螽,满积过程、台金藏势、毽襟形藐结鞫释褴蘸帮寒摄蔷变鼗,表溪褒;簇滚熬舞投辍谯过
2、皂像鼗援馥嶷陲爨,沉蔽逮嶷挺毫;镀膳的结合力、表巅咸量改善;镀层巾过渡族冗索的禽鼹增加,轻元素硼的含避薄低,同对谶察了稀±元素与j尊渡族元蔗共沉稠的可臆髓;镀艨的显礅结构由咎鑫銮瓣疆鑫黟多菇态蒋变;骧藤懿显徽疆塞与辩窭夔黎糍。力攀链戆褒爨;镀蘩的娇黻力降低;磁导攀提高:锻堪鲢磁化强度农能量《越声波、磁坯)耧轻穗土元素Ce、La介入后提瀚,莺稀土元素Y舟入后降低。此外渐合金镀艨经250℃和500℃蕊羧建后;薄簇蔻髓褒铯;力学程虢教善;觏缮热;Ms、社程250"C热楚理辩燕窝、在500℃热楚鬻辩醛德a关键谰;化学沉积黼士元素,超声波磁场软磁性黻
3、∥、/‘一/“gk”TheStudyontheMicrostructureandPropertiesofElectrolessPlatingMulticomponentCobaltBasedSoftMagneticFilmwithRareEarthJoinedAbstractThispaperdeterminesthetechnologicalprocess,bathformularizstionandexperimentalparameterofetectrolessmulticomponentcobaltbasedsoftmagneti
4、cfilmwithrareearthelementsjoinedsuchasCo-Ni-B—REandCo—Fe-B-REbythemeansofperpendicularexperimentandregressionanalysis.Thispaperalsostudiestheactivemechanismofrareearthelements,ultrasonicirradiationandmagneticfieldontheplatingprocess,chemicalcomponent,surfaceconfiguration,m
5、icrostructureandpropertiesofelectrolessmulticomponentcobaltbasedsoftmagneticfilminthewayofexamininginthecomponent,microstmctureandpropertiesofsuchalloy.Theresultshowsthatwiththeadditionofrareearthelements,ultrasonicirradiationandmagneticfield,thechemicalcomponent,surfaceco
6、nfiguration,microstmctureandpropertiesofelectrolessCo-Ni-BandCo—Fe—Balloychangesremarkably.SuchkindofchangecanbedescribedasthefollowingsFirstlythedepositingspeedofelectrolessalloybathisraisedwhilethepolarizabilityandcathodicoverpotentialarereduced;Secondlythesurfacequality
7、ofthealloycoatingandadhesionofthecoatingandmatrixareimproved;Thirdlyinthecoatingsthecontentoftheelementsinthetransientgroupincreases,butthecontentofcobaltdecreased;FourthlytheamorphousstructureistransformedtomicrocrystaIstructureandpotycrystalstructure;Fifthlythemicrohardn
8、essandwearresistanceofthecoatingareenhanced;Sixthlycoercitiveforceisreduced,andmagnetocon
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