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简要介绍了在直线感应加速器(LIA)中对所用磁性材料的要求,列举了国外在LIA中使用金属玻璃(非晶磁性材料)替代铁氧体磁环的实例。在非晶和铁氧体磁环静态磁性能测试的基础上,对两种材料的脉冲性能做了深入研究,实验研究表明在脉冲状态下,两者的饱和磁密均远大于静态饱和磁密。这一现象对实际应用很有价值。
A brief introduction to the requirements of magnetic materials used in linear induction accelerators (LIA) is given. Some examples of using ferrite magnets instead of ferrite magnetic metal in LIA are listed. On the basis of the static magnetic properties of amorphous and ferrite magnetic rings, the pulse properties of the two materials have been studied deeply. Experimental results show that the saturated magnetic flux density of the two materials are far greater than that of static magnetic flux density . This phenomenon is of great value to practical application.