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GB/T 19346.1-2017 English PDF

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GB/T 19346.1-2017: Amorphous and nanocrystalline alloys measurement methods -- Part 1: AC magnetic properties by the use of ring specimens
Status: Valid

GB/T 19346.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 19346.1-2017English199 Add to Cart 3 days [Need to translate] Amorphous and nanocrystalline alloys measurement methods -- Part 1: AC magnetic properties by the use of ring specimens Valid GB/T 19346.1-2017
GB/T 19346-2003English279 Add to Cart 3 days [Need to translate] Measuring method of magnetic properties at alternative current for amorphous and nanocrystalline soft magnetic alloys Obsolete GB/T 19346-2003

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Basic data

Standard ID GB/T 19346.1-2017 (GB/T19346.1-2017)
Description (Translated English) Amorphous and nanocrystalline alloys measurement methods -- Part 1: AC magnetic properties by the use of ring specimens
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H21
Classification of International Standard 77.040.99
Word Count Estimation 10,186
Date of Issue 2017-02-28
Date of Implementation 2017-11-01
Older Standard (superseded by this standard) GB/T 19346-2003
Quoted Standard GB/T 2900.1; GB/T 9637
Regulation (derived from) National Standard Announcement No. 4 of 2017
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the measurement method of AC magnetic properties of amorphous nanocrystalline alloy wound coil specimens. This standard is applicable to measuring the relative amplitude magnetic permeability in the frequency range of 50 Hz to 200 kHz for various transformer and inductance components and the amorphous nanocrystalline soft magnetic alloy for magnetic shielding, than the total loss, the apparent power Such as AC magnetic properties. If there is a suitable calibrated instrument, the upper frequency limit can be extended to 1 MHz, but the reproducibility should be appropriately relaxed.

GB/T 19346.1-2017: Amorphous and nanocrystalline alloys measurement methods -- Part 1: AC magnetic properties by the use of ring specimens


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Amorphous and nanocrystallometry measurements methods - Part 1. AC magnetic properties by the use of ring specimens ICS 77.040.99 H21 National Standards of People's Republic of China Replace GB/T 19346-2003 Test method for amorphous nanocrystalline alloys Part 1. alternating magnetic properties of annular specimens Part 1. ACmagneticpropertiesbytheuseofringspecimens 2017-02-28 released 2017-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

This part is part 1 of GB/T 19346. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part of the replacement GB/T 19346-2003 "amorphous nanocrystalline soft magnetic alloy AC magnetic properties test method". Compared with GB/T 19346-2003, the main contents are as follows. --- name changed to "amorphous nanocrystalline alloy test method part 1. ring sample AC magnetic performance"; - Added terms and definitions (see Chapter 3); - removed the voltammetric method of AC magnetic measurement (see Chapter 3 of the.2003 edition); - Added general rules and modified sample requirements (see Chapter 4, Chapter 4 of the.2003 edition); - Added technical requirements for digital peak ammeter, voltage digital-to-analog converters and power meters (see 5.4, 5.5, 5.16,.2003) Chapter 6); - a method of measuring the permeability and magnetization curves by voltammetry (see Chapter 6); - Removal of the voltammetric method (see 5.1 of.2003); - increased method of measuring total loss with a power meter (see Chapter 7); - modified and supplemented the digital sampling method and increased the measurement method of apparent power (see Chapter 8, Edition 5.2 of.2003); - Increased requirements for reproducibility and uncertainty assessment of measurement results (see Chapter 9); - Added the measurement report (see Chapter 10, Chapter 8 of the.2003 edition). This part is made by China Iron and Steel Industry Association. This part is headed by the National Steel Standardization Technical Committee (SAC/TC183). This part of the drafting unit. China Steel Research Technology Group Co., Ltd., Metallurgical Industry Information Standards Institute, China Institute of Metrology. The main drafters of this part. Lu Zhichao, Chen Wenzhi, Luan Yan, Li Deren, Liu Guodong, Zhang Zhigao, He Jian. This part of the previous version of the standard to replace the release of the situation. --- GB/T 19346-2003. Test method for amorphous nanocrystalline alloys Part 1. alternating magnetic properties of annular specimens

1 Scope

This part of GB/T 19346 specifies the measurement method for the alternating magnetic properties of amorphous nanocrystalline alloy wound ring specimens. This part is suitable for measuring a variety of transformer and inductance components and magnetic shielding with amorphous nanocrystalline soft magnetic alloy at 50Hz ~ 200kHz frequency range of the relative amplitude of the permeability, than the total loss, compared to the apparent power AC magnetic performance. If there is a suitable calibration Of the instrument, the frequency upper limit can be extended to 1MHz, but this time the reproduction should be appropriate to relax the requirements.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 2900.1 Basic terminology for electrical terminology Electrotechnical terminology - Magnetic materials and components GB/T

3 terms and definitions

GB/T 2900.1 and GB/T 9637 and the following terms and definitions apply to this document. 3.1 Than the total loss of specifictotalloss The total power absorbed by the unit mass of the homogeneous magnetized material in watts per kilogram (W/kg). 3.2 More specific than the apparent power Than apparent power The total apparent power delivered to the uniform magnetization of the unit mass in volts per kilogram (VA/kg).

4 General rules

4.1 Specimen 4.1.1 Measurement of AC magnetic properties of amorphous nanocrystalline soft magnetic alloys An annular specimen made of strip is used. If no special requirements, winding system The strip surface does not take insulation measures when the sample is taken. 4.1.2 Recommended specimen diameter of 35mm ± 2mm, the sample diameter and diameter ratio should be less than 1.25. If you need to use other feet The sample should be stated in the measurement report. 4.1.3 Specimens should be flat, burr, deformation and other defects. 4.1.4 The specimen shall be subjected to appropriate heat treatment prior to measurement. Specimen in the heat treatment process, should use non-ferromagnetic metal or ceramic lining support Hold the specimen inside the window to prevent the specimen from being deformed. The diameter of the lining should be slightly smaller than the diameter of the specimen and the height is comparable to that of the specimen. Sample heat treatment should be In a protective atmosphere to prevent surface oxidation.

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