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    • 37. 发明授权
    • Amorphous alloy powder core and nano-crystal alloy powder core having good high frequency properties and methods of manufacturing the same
    • 非晶合金粉芯和纳米晶合金粉芯具有良好的高频性能及其制造方法
    • US06827557B2
    • 2004-12-07
    • US10041089
    • 2002-01-07
    • Kyu-Jin Kim
    • Kyu-Jin Kim
    • B22F102
    • C22F1/10B22F1/0059B22F3/006B22F9/007C21D6/00C21D6/008C21D2201/03C22C45/02H01F1/15333H01F1/15375H01F41/0246
    • A method of manufacturing an amorphous alloy core including the steps of mixing an amorphous alloy powder with a solution made by dissolving a polyimide/phenolic resin binder in an organic solvent, evenly coating the binder in liquid phase on the surface of the alloy powder to make a powder of composite particles, molding the power of composite particles, and performing a heating treatment thereon. This invention also discloses a method of manufacturing a nano-crystal alloy core including the steps of (a) mixing an amorphous alloy powder with a solution made by dissolving a polyimide/phenolic resin binder in an organic solvent, evenly coating the binder in the liquid phase on the surface of the alloy powder to make composite particles, molding the composite particles at room temperature, and performing a heating treatment thereon at a temperature higher than the crystallization starting temperature of the alloy; and (b) performing a heating treatment on an amorphous alloy powder at over a crystallization starting temperature to make a nano-crystal phase, mixing a solution made by solving a polyimide/phenolic resin binder in an organic solvent therewith, evenly coating the binder in liquid phase on the surface of the alloy powder to make composite particles, and molding the power of composite particles at 100 to 300° C.
    • 一种制造非晶合金芯的方法,包括以下步骤:将非晶合金粉末与通过将聚酰亚胺/酚醛树脂粘合剂溶解在有机溶剂中制成的溶液混合,将液相中的粘合剂均匀地涂覆在合金粉末的表面上, 复合颗粒粉末,模塑复合颗粒的功能,并在其上进行加热处理。 本发明还公开了一种制造纳米晶体合金芯的方法,包括以下步骤:(a)将非晶合金粉末与通过将聚酰亚胺/酚醛树脂粘合剂溶解在有机溶剂中制成的溶液混合,将粘合剂均匀地涂布在液体中 在合金粉末的表面上形成复合颗粒,在室温下成型复合颗粒,并在高于合金的结晶起始温度的温度下对其进行加热处理; 和(b)在超过结晶起始温度的非晶合金粉末上进行加热处理以制成纳米晶相,将通过溶解聚酰亚胺/酚醛树脂粘合剂制成的溶液与有机溶剂混合,将粘合剂均匀地涂布在 液相在合金粉末表面制成复合颗粒,并将复合颗粒的功率模塑成100〜300℃。