Back to Basics
How and Why to Measure Magnetism Accurately
Figure 1-4
Figure 1 - Schematic of an atom showing electron spin.
Figure 2 - Characteristic of a material with high magnetic retentivity. B denotes magnetic flux density; H denotes magnetizing force.
Figure 3 - Schematic showing downcycling demagnetization.
r and hc shown for a material with low magnetic retentivity.Figure 4 - Residual state b
Copyright © 2002 by the American Society for Nondestructive Testing, Inc. All rights reserved.
Copyright © 2009 by the American Society for Nondestructive Testing, Inc. ASNT is not responsible for the authenticity or accuracy of information herein. Published opinions and statements do not necessarily reflect the opinion of ASNT. Products or services that are advertised or mentioned do not carry the endorsement or recommendation of ASNT.
IRRSP, NDT Handbook, The NDT Technician and www.asnt.org are trademarks of the American Society for Nondestructive Testing, Inc. ACCP, ASNT, Level III Study Guide, Materials Evaluation, Nondestructive Testing Handbook, Research in Nondestructive Evaluation and RNDE are registered trademarks of the American Society for Nondestructive Testing, Inc.
ASNT exists to create a safer world by promoting the profession and technologies of nondestructive testing.