本文件规定了纯铁、铁硅、铁镍和铁钴、铁铬的一般要求、磁性能及尺寸公差,描述了相应检验方法。材料可以棒材、坯、片材、带材或线材的形式供货,纯铁、铁硅、铁镍和铁钴材料与GB/T 21219—
2023 磁性材料类别中的A,C1,C2,E1 至E4 及F1 至F3 规定的合金材料相对应。
本文件适用于继电器的磁性材料纯铁和钢被GB/T 43344—2023 涵盖,GB/T 43344—2023 在磁性能上对纯铁(A 类)和铁硅(C21、C22 类)的规定条款不如本文件规定的细,但给出了更宽的尺寸公差。
本文件适用于工频下无取向和取向电工钢(C21 及C22 类)按比总损耗分类,被GB/T 17951.2—2014、GB/T 2521.1—2016 和GB/T 2521.2—2016 涵盖。
本文件适用于按比总损耗分类的中频下的无取向和取向电工钢,它们被IEC 60404⁃8⁃8 涵盖。
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This document describes methods for measuring the surface magnetic field distribution of permanent magnets using magnetic field detectors and instrument Guidance on the selection of measurement points, measurement devices, specimens, measurement procedures and data processing techniques are provided.
This document is applicable to the detection of the magnetic field distribution on the surface of permanent magnets such as Rare earth-iron-boron alloys(REFeB), Rare earth-cobalt alloys(RECo), Aluminium-nickel-cobalt-iron-titanium alloys(AlNiCo), hard ferrites.
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This document describes the measurement method of the angle deviation of magnetization of magnetized permanent magnets.
This document is applicable to the measurement of the angle deviation of magnetization of permanent magnets such as Rare earth-iron-boron alloys(REFeB), Rare earth-cobalt alloys(RECo), Alum inium-nickel-cobalt-iron-titanium alloys(AlNiCo), hard ferrites.
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