亚微米FeNi颗粒对软磁复合材料性能的影响研究  

Study on the Influence of Submicron FeNi Particles on the Properties of Soft Magnetic Composite Materials

作　　者：尚颖颖 Shang Yingying(Pingliang Vocational&Technical College,Pingliang Gansu 744000,China)

机构地区：[1]平凉职业技术学院,甘肃平凉744000

出　　处：《山西冶金》2025年第1期3-5,共3页Shanxi Metallurgy

基　　金：甘肃省2023年高校教师创新基金项目“平凉地区煤基多孔碳材料的制备及其吸附性能的研究”(2023B-531)。

摘　　要：软磁材料广泛用于电磁器件,而亚微米FeNi颗粒具有良好的磁性和导电性。基于此,对不同尺寸和含量的FeNi颗粒进行实验,研究其对软磁复合材料性能的影响。实验结果表明:亚微米FeNi颗粒能够提升软磁复合材料的性能;亚微米FeNi颗粒在200 nm粒径、质量分数为30%时的磁性能和电性能最佳,磁导率为28.9 H/m、矫顽力为39 Oe、饱和磁化强度0.0917 A·m^(2)/kg、电导率0.075 S/m;亚微米FeNi颗粒在200 nm粒径、质量分数为20%时的力学性能的提升效果最佳,此时拉伸强度为41.5 MPa、韧性为365 J/m^(3)、断裂伸长率为9.8%。该研究结果能为高效软磁复合材料的开发提供数据支撑,有助于推动其在电子和磁性设备中的应用。Soft magnetic materials are widely used in electromagnetic devices,and submicron FeNi particles have good magnetism and conductivity.Based on this,experiments were conducted on FeNi particles of different sizes and contents to study their effects on the properties of soft magnetic composite materials.The experimental results indicate that submicron FeNi particles can enhance the performance of soft magnetic composite materials.The magnetic and electrical properties of submicron FeNi particles are optimal at a particle size of 200 nm and a mass fraction of 30%,with a magnetic permeability of 28.9 H/m,coercivity of 39 Oe,saturation magnetization of 0.0917 A·m^(2)/kg,and conductivity of 0.075 S/m.The improvement effect of mechanical properties of submicron FeNi particles is best at a particle size of 200 nm and a mass fraction of 20%,with a tensile strength of 41.5 MPa,toughness of 365 J/m^(3),and elongation at break of 9.8%.The research results can provide data support for the development of efficient soft magnetic composite materials,which will help promote their application in electronic and magnetic devices.

关 键 词：亚微米 FeNi颗粒 软磁复合材料 

分 类 号：TG139[一般工业技术—材料科学与工程]