Study on Thermomagnetic Treatment Fe-25.5Cr-12Co Permanent Magnetic Alloy

Study on Thermomagnetic Treatment Fe-25.5Cr-12Co Permanent Magnetic Alloy

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摘要 The magnetic properties and microstructure in a low cobalt Fe-25.5Cr-12Co alloy by different process of thermomagnetic treatment were investigated. It is found that magnetic properties are sensitive to parameters of thermo- magnetic treatment process in magnetic field, including temperature, time and applied magnetic field. There are optimized isothermal aging temperature and time in different magnetic heat treatment conditions. High magnetic field strength could improve magnetic properties. Applied magnetic field has a great effect on microstructure of the Fe-25.5Cr-12Co alloy. The finer ferromagnetic d] particles with suitable c/a ratio by high magnetic field magnetic heat treatment are attributed to improvement the magnetic properties. The magnetic properties and microstructure in a low cobalt Fe-25.5Cr-12Co alloy by different process of thermomagnetic treatment were investigated. It is found that magnetic properties are sensitive to parameters of thermo- magnetic treatment process in magnetic field, including temperature, time and applied magnetic field. There are optimized isothermal aging temperature and time in different magnetic heat treatment conditions. High magnetic field strength could improve magnetic properties. Applied magnetic field has a great effect on microstructure of the Fe-25.5Cr-12Co alloy. The finer ferromagnetic d] particles with suitable c/a ratio by high magnetic field magnetic heat treatment are attributed to improvement the magnetic properties.

作者 GAORun-sheng ZHENLiang SHAOWen-zhu SUNXue-yin ZHUDan-yang XURen-gen

机构地区 DepartmentofMaterialsScience TechnologyandDevelopmentCentre

出处《材料热处理学报》 EI CAS CSCD 北大核心 2004年第5期561-563,共3页 Transactions of Materials and Heat Treatment

关键词 Fe-25.5Cr-12Co合金热磁处理磁性显微结构永久磁铁 Fe-25.5Cr-12Co alloy, thermomagnetic treatment, magnetic property microstructure

分类号 TG166.7 [金属学及工艺—热处理]

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Study on Thermomagnetic Treatment Fe-25.5Cr-12Co Permanent Magnetic Alloy

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