Alnico8磁钢的磁稳定性研究  

Alnico8 Alloy Magnetic Stability Research

作　　者：许鲁江 孙颖莉 姜龙涛[1] 廖雅琴[1] 武高辉[1] XU Lu-jiang SUN Ying-li JIANG Long-tao LIAO Ya-qin WU Gao-hui(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Ningbo Institute of Industrial Technology, Ningbo, Zhejiang 315000, China)

机构地区：[1]哈尔滨工业大学材料科学与工程学院,哈尔滨150001 [2]中国科学院宁波材料技术与工程研究所,宁波浙江315000

出　　处：《导航定位与授时》2017年第1期94-97,共4页Navigation Positioning and Timing

摘　　要：针对自然贮存时间为1年、4年、6年的Alnico8合金进行了显微组织与磁性能演化规律的研究,分析表明贮存时间为1年、4年、6年的Alnico8合金试样X射线衍射峰位置相同,但I_((100))/I_((200))随贮存时间的延长而增加,表明强磁相的有序度增加。富FeCo相也随着贮存时间的延长,尺寸大小更加均匀,相界面更加稳定。同时,不同自然贮存时间的Alnico8合金磁不可逆损失率不同,随着贮存时间的延长,Alnico8合金的磁不可逆损失率逐渐降低,磁稳定性逐渐增加。The Alnico8 alloys which are stored 1 year,4 years,6 years have been studyed on the microstructure and magnetic evolution.The analysis result indicates that the Alnico8 alloys which are stored 1 year,4 years,6 years have same X-ray diffraction peak position,but I_（（100））/I_（（200）） increases with the extension of storage time,suggest that the ordered phases＇ ordered degree have increased.Also with the extension of storage time,FeCo-rich has more uniform size and more stable phase interface.At the same time,Alnico8 alloys which stored different time have different magnetic irreversible loss rate,and with the increase of storage time,the lower magnetic irreversible loss rate of Alnico8 alloy,the better of the magnetic stability.

关 键 词：Alnico8合金 晶体结构 织构 稳定性 

分 类 号：U666.12[交通运输工程—船舶及航道工程]