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| 放电等离子体烧结FePt 合金的微观结构和磁学性能 |
| The Microstructure and Magnetic Properties of FePt Alloys Prepared by Spark Plasma Sintering |
| Received:August 25, 2014 |
| DOI： |
| 中文关键词: 金属材料 FePt合金 放电等离子烧结 矫顽力 X射线衍射 |
| 英文关键词: metal materials FePt alloy spark plasma sintering coercivity XRD |
| 基金项目:云南省基金面上项目(2011FB125)。 |
| Author Name | Affiliation | E-mail | | WANG Chuanjun | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China | cjw@ipm.com.cn | | ZHANG Junming | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China | | | TAN Zhilong | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China | | | BI Jun | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China | | | WEN Ming | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China | | | GUAN Weiming | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Kunming 650106, China | | | ZHOU Yantian | Wafangdian Bearing Co.Ltd., Wafangdian 116300, Liaoning, China | |
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| 中文摘要: |
| 采用熔炼、机械破碎和放电等离子体烧结法制备了Fe50Pt50合金，研究了合金的微观结构和磁学性能。结果表明在烧结过程中合金中无序的面心立方相向有序的L10有序相转变，Fe50Pt50合金的有序度和矫顽力随着放电等离子体烧结温度的升高而降低；在800℃烧结时，可获得的最大磁能积为50.81 kJ/m3。 |
| 英文摘要: |
| Fe50Pt50 alloys were prepared by melting, milling and spark plasma sintering (SPS), the microstructure and magnetic properties of the alloys were analyzed. The results show that the alloy will transform into L10 ordered fcc phase from disordered fcc phase during sintering. The degree of order and the coercivity of Fe50Pt50 alloys decreases as the SPS temperature rises from 700℃ to 900℃. A maximum magnetic energy product of 50.81 kJ/m3 can be obtained for the alloy sintered at 800℃. |
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