Standard Test Method for Direct Current Magnetic Properties of Soft Magnetic Materials Using D-C Permeameters and the Point by Point (Ballistic) Test Methods

Importancia y uso:

3.1 Permeameters require the use of yokes to complete the magnetic circuit and are therefore inherently less accurate than ring test methods. Refer to Test Method A596/A596M for further details on ring test methods. However, when testing certain shapes as bars or when magnetic field strength in excess of 200 Oe [16 kA/m] is required, permeameters are the only practical means of measuring magnetic properties.

3.2 This test method is suitable for specification acceptance, service evaluation, research and development and design.

3.3 When the test specimen is fabricated from a larger sample and is in the same condition as the larger sample, it may not exhibit magnetic properties representative of the original sample. In such instances the test results, when viewed in context of past performance history, will be useful for judging the suitability of the material for the intended application.

Subcomité:

A06.01

Referida por:

B0925-15R22, A1126-23, A0342_A0342M-21, A0773_A0773M-21, A0753-21, A0848-17, A0838-24, A0867-24, A0469_A0469M-07R22, A0345-19, A0801-21, A0596_A0596M-21, A0977_A0977M-07R20

Volúmen:

03.07

Número ICS:

29.030 (Magnetic materials)

Palabras clave:

coercive field strength; magnetic field strength; magnetic flux density; magnetic induction; magnetic test; permeability; permeameter; residual induction ;