制备工艺对非晶磁粉芯磁性能的影响
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顾伟, 张志键, 杨佳泉
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Effect of Preparation Process on Magnetic Properties of Amorphous Magnetic Powder Cores
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GU Wei, ZHANG Zhijian, YANG Jiaquan
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表4 不同粒度配比的非晶粉末对磁性能的影响
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Table 4 Effect of amorphous powder with different particle size ratio on magnetic properties
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| Serial number | Fluidity /s | Bulk density /g·cm-3 | Core weight /g | Pressed magnetic ring density /g·cm-3 | Magnetic permeability μ | Loss Pcv (100 kHz/50 mT) /kw·m-3 | DC bias capability /% |
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| Sample 1 | 3.50 | 2.85 | 25.85 | 5.75 | 60 | 130 | 68.5% | | Sample 2 | 6.50 | 2.75 | 25.65 | 5.70 | 60 | 130 | 67.0% | | Sample 3 | 3.60 | 2.84 | 25.80 | 5.72 | 60 | 155 | 68.0% | | Sample 4 | 3.20 | 2.80 | 25.29 | 5.62 | 60 | 165 | 66.0% | | Sample 5 | 0.00 | 2.60 | 24.75 | 5.50 | 60 | 135 | 65.0% | | Sample 6 | 4.00 | 2.84 | 25.87 | 5.75 | 60 | 130 | 68.0% |
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