研究了不同退火条件下, 新型屏蔽材料钴基非晶态合金Co66Fe4Ni1Si15B14的磁阻抗比(MIR)和磁导率比(PR).采用了两步冷却法(F&W), 通过协同降低内热应力和磁有序, 提高了样品的初始磁导率.研究结果表明, F&W法试样的初始磁导率((i)比单独用熔炉冷却法(FC)和水淬火法(WQ)分别提高了50%和100%.通过测量试样的MIR和PR, 研究了试样软磁性的退火效应, 3.1 MHz下FC法试样和WQ法试样在420 ℃退火温度下具有比F&W法更优越的软磁性.
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