| 引用本文: | 武晓威,冯玉杰,刘延坤,韦韩.钡铁氧体表面化学镀Ni-P合金的制备及性能[J].哈尔滨工业大学学报,2010,42(4):584.DOI:10.11918/j.issn.0367-6234.2010.04.017 |
| WU Xiao-wei,FENG Yu-jie,LIU Yan-kun,WEI Han.Preparation and properties of electroless Ni-P coated barium ferrite powders[J].Journal of Harbin Institute of Technology,2010,42(4):584.DOI:10.11918/j.issn.0367-6234.2010.04.017 |
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| 摘要: |
| 为提高钡铁氧体的吸波性能,以钡铁氧体为芯材,采用化学镀的方法制备表面包覆Ni-P镀层的钡铁氧体复合粒子.并利用XRD、SEM、EDS及矢量网络分析仪对其晶体结构、表面形貌、成分、电磁吸收性能进行分析.结果表明:钡铁氧体表面包覆完整的Ni-P合金镀层,化学镀工艺显著改善材料的电磁性能,并提高材料对电磁波的吸收能力,镀后复合粒子在2～18GHz频段内,最大反射率为-24.3dB,大于-10dB的吸收频带宽约2.8GHz. |
| 关键词: 钡铁氧体 化学镀 Ni-P合金 吸波性能 |
| DOI：10.11918/j.issn.0367-6234.2010.04.017 |
| 分类号:TQ153.1 |
| 基金项目:哈尔滨师范大学青年学术骨干资助计划项目(KGB200906) |
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| Preparation and properties of electroless Ni-P coated barium ferrite powders |
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WU Xiao-wei1,2, FENG Yu-jie1, LIU Yan-kun1, WEI Han1
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1.School of Municipal and Environmental Engineering,Harbin Institute University of Technology,Harbin 150090,China;2.College of Geographical Sciences,Harbin Normal University,Harbin 150025,China
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| Abstract: |
| In order to improve the microwave absorption properties,the compound particles of Ni-P coated barium ferrite were prepared by electroless plating.The structure,morphology,composition and microwave absorption properties of the Ni-P coated powders were investigated by X-ray diffraction (XRD),scanning electron microscopy (SEM),energy dispersive analysis of X-rays (EDS),and vector network analyzer.The results show that barium ferrite is successfully coated with Ni-P alloy and exhibits excellent microwave absorption properties.The maximum microwave absorption of the compound particles reaches-24.3 dB within 2-18 GHz.The bandwidth with the loss above-10 dB exceeds 2.8 GHz. |
| Key words: barium ferrite electroless plating Ni-P alloy microwave absorption properties |
