BS 6404-5:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Magnetic materials Permanent magnet (magnetically hard) materials. Methods of measurement of magnetic properties
Hardcopy , PDF
05-28-2003
English
10-15-1995
Committees responsible
National foreword
METHODS
1 General
2 Definitions
3 Electromagnet and conditions for magnetization
4 Test specimen
5 Determination of the magnetic flux density
6 Determination of the magnetic polarization
7 Measurement of the magnetic field strength
8 Determination of the demagnetization curve
9 Determination of the principle characteristics
10 Reproducibility
11 Test report
Figures
1 Diagram of electromagnet
2 Demagnetization curve showing (BH)max point
3 Demagnetization curve and recoil loop
A.1 Air-gap
Table
1 Reproducibility of the measurement of the magnetic
characteristics of permanent magnetic materials
Annex
A (normative) Influence of the air-gap between the test
specimen and the pole pieces
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