Study of magnetization processes and the generation of magnetoacoustic and Barkhausen emissions in ferritic/pearlitic steel

被引：0

作者：

Lo, C.C.H. ^{[1
,3
]}

Scruby, C.B. ^{[2
]}

机构：

[1] Department of Materials, University of Oxford, Oxford OX1 3PH, United Kingdom

[2] AEA Technology Plc, National NDT Centre, Culham, Abingdon, Oxon OX14 3DB, United Kingdom

[3] Ames Laboratory, Iowa State University, Ames, IA 50011, United States

来源：

Journal of Applied Physics | 1999年 / 85卷 / 8 II A期

关键词：

Ferrite - Magnetic domains - Magnetization - Magnetoacoustic effects - Magnetostriction - Metallographic microstructure - Microscopic examination - Pearlite - Steel - Volume fraction;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Magnetoacoustic emission (MAE) and Barkhausen emission (BE) signals were used to nondestructively monitor the microstructure of ferritic/pearlitic steel samples. The volume fraction of ferrite was found to have a significant effect on both the MAE and BE profiles. An increase in the volume fraction would result in an increase in the MAE and a decrease in the BE measurements. The differences in the domain structure and domain wall processes in the steel samples with different volume fractions were also studied using Lorentz microscopy.

引用

页码：5193 / 5195