New method for measuring magnetic after-effect

被引：0

作者：

Wang, Qun ^{[1
]}

Ho, Kai-Yuan ^{[1
]}

机构：

[1] Univ of Technology, China

来源：

Materials science and engineering | 1988年 / 97卷

关键词：

Glass; Metallic - Magnetic Field Effects - Magnetic Measurements - Relaxation Processes;

D O I：

10.1016/0025-5416(88)90108-5

中图分类号：

学科分类号：

摘要：

A new method has been developed to measure the magnetic after-effect when the peak value of alternating current (a.c.) magnetization is constant. After demagnetization, an a.c. magnetic field is applied and recorded as a function of time while the peak value of magnetic induction is held constant by adjusting the amplitude of the field. The stabilization Hs and the increase of reluctivity r can be obtained from the recorded field. A cobalt-based amorphous sample has been studied using this method after longitudinal magnetic annealing. The maximum value of Hs is about 0.17 mA cm-1, and the change of r with field does not have a peak, unlike that found by traditional measurements.

引用

页码：529 / 531