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ASTM A348/A348M-05(2015)
Standard Test Method for Alternating Current Magnetic Properties of Materials Using the Wattmeter-Ammeter-Voltmeter Method, 100 to 10 000 Hz and 25-cm Epstein FrameMore info
1.1 This test method covers the determination of the magnetic properties of flat-rolled magnetic materials using Epstein test specimens with double-lap joints in the 25-cm Epstein frame. It covers determination of core loss, rms and peak exciting current, exciting power, magnetic field strength, and permeability. This test method is commonly used to test grain-oriented and nonoriented electrical steels but may also be used to test nickel-iron, cobalt-iron, and other flat-rolled magnetic materials.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2015-10-01 |
| ICS | 29.030 : Magnetic materials |
| Number of pages | 11 |
| Replace | ASTM A348/A348M-05(2011) |
| Set | ASTMVOL0307 |
| Year | 2005 |
| Document history | ASTM A348/A348M-05(2011) |
| Country | USA |
| Keyword | ASTM 348;ASTM A348;ASTM A348;10.1520/A0348_A0348M-05R15 |