添加moo_3对mnzn铁氧体机械与磁性能的影响 effect of moo_3 on the mechanical and magnetic properties of manganese-zinc ferrite.pdfVIP
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添加moo_3对mnzn铁氧体机械与磁性能的影响 effect of moo_3 on the mechanical and magnetic properties of manganese-zinc ferrite
添加M003对MnZn铁氧体机械与磁性能的影响 刘云飞,余忠,兰中文 (电子科技大学电子薄膜与集成器件国家重点实验室,四川成都610054) 摘要:用氧化物陶瓷工艺制备了添加M003的MnZn铁氧体。用扫描电子显微镜观察样品的微观形貌, 用x射线衍射仪测量晶格常数,计算了平均晶粒尺寸和气孔率。测试了样品的密度、抗弯强度、维氏硬度以及 磁性能。结果表明,~lllZn铁氧体的抗弯强度和维氏硬度主要受气孔率的影响,添加适量的M003可促进晶粒生 长,同时降低气孔率,进而改善材料的微观形貌,提高其机械性能和磁性能。 关键词:MnZn铁氧体;M003添加;机械性能;磁性能 中图分类号:TM277+.1 文献标识码:B Effectof ontheMechanicaland MoOa Magnetic of Ferrite PropertiesManganese-Zinc LIU Yun·fei,YU Zhong,LANZhong—wen StateLab and Key ofElectronic砌加FilmsIntegratedDevices,UniversityofElectronic Scienceand 610054,China TechnologyofChina,Chengdu ferritewithM001additiveWaS oxideceramic Abstract:Manganese.zinc preparedby process.Thesamples’ wascharacterized electron thelatticeconstantWaSmeaSured micrograph byscanning microscopy,and byX-ray diffraction.The sizeand werecalculated.The hardnessand averagegrain porosity density,bendingstrength,Vickers results ofthe weremeasured.111eshowedthatthemaineffecton and magneticpropertiessamples bendingstrength Vickershardnessisthe of amountof can M003 grain porositymanganese-zincferrite.Addingappropriate promote themechanicaland ferrite. growth,reduceporosity,andresultantlyimprove magneticpropertiesofmanganese—zinc Keywords:manganese—zincferrite;M003addition;mechanical property
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