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INITIAL ULTRAFINE CRYSTAL ALLOY, NANOCRYSTAL SOFT MAGNETIC ALLOY AND METHOD FOR PRODUCING SAME, AND MAGNETIC COMPONENT FORMED FROM NANOCRYSTAL SOFT MAGNETIC ALLOY
INITIAL ULTRAFINE CRYSTAL ALLOY, NANOCRYSTAL SOFT MAGNETIC ALLOY AND METHOD FOR PRODUCING SAME, AND MAGNETIC COMPONENT FORMED FROM NANOCRYSTAL SOFT MAGNETIC ALLOY
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机译:初始超细晶体合金,纳米软磁性合金及其制备方法和由纳米软磁性合金制成的磁性成分
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摘要
A primary ultrafine-crystalline alloy having a composition represented by the general formula: Fe100-x-y-zAxByXz, wherein A is Cu and/or Au, X is at least one element selected from the group consisting of Si, S, C, P, Al, Ge, Ga and Be, and x, y and z are numbers (by atomic %) meeting the conditions of 0 x ≤ 5, 10 ≤ y ≤ 22, 0 ≤ z ≤ 10, and x + y + z ≤ 25, and a structure in which 5-30% by volume of primary ultrafine crystal grains having an average particle size of 30 nm or less are dispersed in an amorphous matrix; its differential scanning calorimetry (DSC) curve having a first exothermic peak and a second exothermic peak lower than the first exothermic peak between a crystallization initiation temperature TX1 and a compound precipitation temperature TX3; and a ratio of the heat quantity of the second exothermic peak to the total heat quantity of the first and second exothermic peaks being 3% or less.
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