ASTM A 912 : 1993 : R1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Test Method for Alternating-Current Magnetic Properties of Amorphous Materials at Power Frequencies Using Wattmeter-Ammeter-Voltmeter Method with Toroidal Specimens
Hardcopy , PDF
11-11-2014
English
31-12-2010
CONTAINED IN VOL 03.04, 2002 Covers tests for various magnetic properties of amorphous materials at power frequencies (25 to 400 Hz) using a toroidal test transformer. Covers the determination of core loss, rms, exciting power, several types of arc permeability, and related properties under ac magnetization at moderate and high inductions at power frequencies (25-70 Hz).
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