磁粉芯

Fe（73.5）Cu1Nb3Si（13.5）B9纳米晶磁粉芯制备及其性能研究

Preparation and Properties of Fe_ ( 73.5 ) Cu_1Nb_3Si_ ( 13.5 ) B_9 Nanocrystalline Magnetic Powder Core

该磁粉芯与磁导率相等的韩国MPP磁粉芯产品相比，其综合性能更优越。

The complex properties of this powder core are superior to that of the MPP product with the same permeability .

结果表明：在频率0～300kHz以内，磁粉芯磁导率具有良好的频率稳定性，品质因子Q最大可达到80；

The results showed that the permeability of the core had the optimal stability of frequency and the quality coefficient reached 80 at most in the frequency range of 0 ~ 300 kHz .

讨论了粉末表面的光滑度对包覆效果的影响以及磁粉芯的品质因数Q和导磁率μ及绝缘介质含量之间的关系。

The influence of the slippery of powder on the coating effect and the relations between the insulation medium concentration and the quality factor Q as well as the permeability of cores were investigated .

软磁Fe-Si-Al磁粉芯性能研究

Study on properties of Fe-Si-Al soft magnetic powder cores

磁粉芯的中心频率为10MHz，其最大Q值为99.6。这种材料在高频范围内具有应用价值。

Its central frequency is 10 MHz , the biggest Q is 99.6.The powder core has application value in higher frequency field .

粉末颗粒对Fe-Ni-Mo磁粉芯性能的影响

The influence of powder particle on the properties of Fe Ni Mo magnetic powder core

所获结果表明：当制备工艺和测试条件相同时，非晶磁粉芯比纳米晶磁粉芯的相对磁导率（μr）高，它们的中心频率都为10MHz。

Obtained results show that when preparing processing and measuring conditions are same , the μ r-value of non-crystal magnetic powder core is higher than nanocrystalline , and their central frequency is 10 MHz .

采用该非晶粉末制备的磁粉芯在高频下品质因数显著高于MPP粉芯，说明该磁粉芯高频损耗较低。

Quality factor of the powder core made from this amorphous powder is remarkably higher than that of MPP in high frequency range , which means the core loss of the amorphous powder core is lower than that of MPP .

金属磁粉芯广泛应用高性能的电感元件和小功率变压器中，而非晶/纳米晶磁粉芯由于其优越的软磁性能，可以代替传统的Fe-Ni、MPP和Sendust粉芯的使用。

Metal soft magnetic powder cores are widely used in inductance component and low power transformers , and amorphous / nanocrystalline based soft magnetic powers can replace traditional Fe-Ni , MPP and sendust power cores because of its excellent soft magnetic properties .

铁硅（FS-Flux）磁粉芯是近几年才出现的一种新型材料，它有高的饱和磁化强度和优异的直流叠加特性。

FS-Flux core is a kind of new powder core material in recent years for replacing Hi-Flux core , which has high saturation magnetization and excellent DC bias comparable to that of Hi-Flux core .

非晶态高频磁粉芯研究原粉和B.t。

Investigation of amorphous high-frequency magnetic powder core formulation , b.t.

化学包覆法制备高性能磁粉芯

Fabrication of the High Quality Magnetic Cores by the Chemical Coating Method

铁基纳米晶合金粉末及磁粉芯研究

Study of Fe-based Nanocrystalline Alloy Powder and Magnetic Powder Cores

磁粉芯的损耗随频率的增加线性增加。

Core loss lineal increased with the elevation of frequency .

制备纯铁磁粉芯的工艺研究

Investigation of the process to fabricate iron cores

纳米晶软磁复合磁粉芯在中高频段性能研究

Study of the magnetic properties of nanocrystalline composite powder cores at middle and high-frequency

纯铁磁粉芯的磁特性研究

Magnetic Characteristics Research of Iron Powder Cores

高镍磁粉芯导磁率温度系数（α）影响因素的研究

Investigation of factors influencing permeability temperature coefficient (α) of magnetic powder core containing high nickel

磁粉芯具有良好的直流偏磁特性及温度稳定性。

The magnetic powder core had good direct current bias magnetic characteristic and the stability of temperature .

采用该实验化学包覆液可以制取高性能的纯铁磁粉芯。

The high quality iron cores were gained by the chemical coating method used in the experiments .

不同磷酸包覆铁粉电阻率的研究比较，伴随磷酸与铁粉质量比的增加，磁粉芯的电阻有明显地提高。

With the increasing mass rate of phosphoric acid and iron powder , the resistivity is obviously improved .

当非晶粉末比例达到50%以上，随着非晶粉末质量百分比的增大，复合磁粉芯性能的变化速度较慢。

While the amorphous powder is more than50wt . % , the properties change slower with increment of amorphous powder .

复合材料磁粉芯的磁导率和能量损耗显著优于粉体未表面处理和复合的磁粉芯。

Composite magnetic powder cores permeability and the energy loss are significantly better than that without surface treatment and composed .

磁粉芯是一类重要的磁性功能材料，在电机领域具有广阔的应用前景。

Magnetic powder core is a kind of important magnetic functional materials , which has wide application in motor areas .

所研制的非晶态磁粉芯具有极好的频率特性，已在光通讯光端机中得到应用。

This kind of amorphous magnetic powder has excellent frequency charateristics and has been applied in terminating machine of fibre-optic communication .

高频铁基复合材料软磁粉芯制备及其性能研究复杂结构聚合物微流控芯片制作工艺研究

Manufacturing of High-Frequency Composite Magnetic Powder Core and Study of Its Performance Research on Fabrication of Polymer Microfluidic Chips with Complicated Microstructures

当非晶粉末比例在50%（质量分数，下同）以下，随着非晶粉末质量百分比的增大，复合磁粉芯性能的变化速度较快；

When the content of amorphous powder is less than50wt . % , the properties of cores change rapidly with increment of amorphous powder .

分析表明，非晶合金磁粉芯高频下损耗低的主要原因是电阻率较高。

The electrical resistivity of amorphous powder is much higher than that of MPP powder , that is why the amorphous powder core has lower core loss in the high frequency range .

当温度在300~400℃之间，磁粉芯性能随着退火温度的升高显著改善，在此区间磁粉芯磁导率提高76%；

For the temperature of 300 ~ 400 ℃, the magnetic properties vary sensitively with the annealing temperature , and the increment of permeability is about 76 % in the temperature range .