采用分段机械球磨-放电等离子烧结法,进行了节能变压器用新型非晶合金Fe77Si9B13Ce0.5Nb0.2Cr0.3,并进行了XRD、SEM分析和软磁性能、力学性能和耐腐蚀性能的测试。结果表明,与现有非晶合金Fe78Si9B13相比,该新型非晶合金的软磁性能、力学性能和耐腐蚀性能均得到明显改善,其中初始磁导率和饱和磁感应强度分别增加了70%、32%,20℃时试样的抗拉强度和伸长率分别增加36%、4.4%,腐蚀电位正移268 m V。 A new type of amorphous alloy Fe77Si9B13Ce0.5Nb0.2Cr0.3 for energy-saving transformer was tested by segmented mechanical ball milling-discharge plasma sintering method. XRD, SEM, soft magnetic properties, mechanical properties and corrosion resistance were tested. The results show that compared with the existing amorphous alloy Fe78Si9B13, the soft magnetic properties, mechanical properties and corrosion resistance of the new amorphous alloy have been significantly improved, of which the initial permeability and saturation magnetic flux density increased by 70%, 32 %, The tensile strength and elongation of the samples increase by 36% and 4.4% respectively at 20 ℃, and the corrosion potential shifts forward by 268 mV.