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ASTM A927/A927M-04被替代

Standard Test Method for Alternating-Current Magnetic Properties of Toroidal Core Specimens Using the Voltmeter-Ammeter-Wattmeter Method

出版:American Society for Testing and Materials

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基本信息
標(biāo)準(zhǔn)編號(hào): ASTM A927/A927M-04
發(fā)布時(shí)間:2004/10/1 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:American Society for Testing and Materials
標(biāo)準(zhǔn)頁(yè)數(shù):5
標(biāo)準(zhǔn)簡(jiǎn)介

CONTAINED IN VOL. 03.04, 2005Covers the determination of several ac magnetic properties of either laminated ring or toroidal tape wound cores made from flat rolled product. Covers test equipment and procedures for determination of specific core loss, specific exciting power, and peak permeability for power and audio frequencies (50 to 20,000 Hz) under sinusoidal flux conditions.

本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)

ASTM A927/A927M-99

替代本標(biāo)準(zhǔn)的新標(biāo)準(zhǔn)

ASTM A927/A927M-11