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Detailed description

Magnetic performance testing

Detection standard

  • Detection specification

Where can I go to get a complete solution for magnetic property testing? BAIJIAN Materials Testing Agency provides magnetic property testing services. It is a national high-tech enterprise, a third-party materials laboratory, and a CMA qualification certification agency. It is a collectively owned scientific research institution with complete laboratory instruments and scientific research. The team is strong, adhering to the concept of scientific research and dedication, and is engaged in performance testing, non-standard testing, unknown substance detection and identification, industrial problem diagnosis and testing, composition testing, failure testing, corrosion testing, etc. Test reports will be issued in 7-15 working days, supporting 2D The code system checks the authenticity, and multiple laboratory branches across the country support door-to-door sampling/sample delivery testing services nationwide.

Detection cycle: 7-15 working days

Testing fee: Initial inspection of samples. After the initial inspection, a quotation will be made based on the customer's testing needs and the complexity of the experiment.

Magnetic performance testing range

High entropy film, amorphous strip, ferrite, sintered permanent magnet material, amorphous alloy, NdFeB, nano-nickel powder, metal powder , generator rotor, rotor, steel, magnetic steel, carbon powder, iron core, silicon steel, alloy, soft magnetic, electrical steel, etc.

Magnetic property testing items

Bonding characteristic testing, magnetization intensity testing, coercive force testing, magnetic permeability testing, residual magnetization testing, hysteresis loss testing, Curie temperature testing wait.

Introduction to magnetic performance testing instruments

Currently, commonly used magnetic performance testing instruments on the market include flux meters, Hall effect magnetic field measuring instruments, current transformers, Faraday current inductors, etc.

Among them, the magnetic flux meter is a widely used instrument. It uses an electromagnet to generate a magnetic field, adjusts the magnetic field strength by adjusting the electromagnet current, and then uses a probe to measure the magnetic flux. By measuring the changes in magnetic flux under different currents, the magnetic property parameters such as remanence and coercivity of the material can be calculated.

In addition, the Hall effect magnetic field measuring instrument is also a commonly used magnetic performance testing instrument. It uses the Hall effect to measure the strength and direction of the magnetic field. When electrons pass through the Hall element, the electrons will be deflected by an angle due to the effect of the magnetic field. By measuring the size of this angle, the strength of the magnetic field can be calculated.

It should be noted that different magnetic property testing instruments may have different characteristics such as applicable material range, testing accuracy and price. Choosing the appropriate instrument requires comprehensive consideration based on specific application requirements.

What does the BAIJIAN inspection report do? What problems can it help you solve?

1. Sales report. (Sales need to provide third-party test reports to make their products more relevant and let the product data speak for themselves.words to make customers more confident in the quality of their products. )

2. R&D report. (In the process of developing new products, we encountered some thorny issues about ingredients. We used third-party testing data to find the cause of the problem, solve the problem in a timely manner, shorten the R&D cycle, and reduce R&D costs)

3. Improve products quality. (Discover problems with your own products through comparison of third-party testing data, improve product problems, improve quality, and reduce production costs)

4. Use of scientific research paper data.

Magnetic property testing standards

GB/T 3655-2022 Method for measuring the magnetic properties of electrical steel strips (sheets) using Epstein square circles

GB/ T 3658-2022 Ring sample measurement method for magnetic properties of soft magnetic metal materials and powder metallurgical materials in the frequency range of 20Hz to 100kHz

GB/T 10129-2019 Measurement method for medium frequency magnetic properties of electrical steel strips (sheets)< /p>

GB/T 11209-1989 Method for determination of magnetic properties of magnetic rubber

GB/T 13012-2008 Method for determination of DC magnetic properties of soft magnetic materials

GB/ T 13789-2022 Method for measuring the magnetic properties of electrical steel strips (sheets) using a single-chip tester

GB/T 19346.1-2017 Test methods for amorphous nanocrystalline alloys Part 1: AC magnetic properties of ring specimens

GB/T 19346.3-2021 Test methods for amorphous nanocrystalline alloys Part 3: AC magnetic properties of iron-based amorphous monolithic specimens

GB/T 24270-2009 Permanent magnets Method for measuring temperature coefficient of magnetic properties of materials

GB/T 39042-2020 Single piece magnetic properties test of electrical steel H coil method

FZ/T 01116-2012 Detection and evaluation of magnetic properties of textiles

HG/T 2347.2-1992γ.Fe2O3 Magnetic Powder Magnetic Property Measurement Method (Confirmed in 2010)

What are the advantages of BAIJIAN Materials Testing Laboratory?

1. Collective Owned testing agency with complete qualifications and scientific, fair and accurate test reports.

2. Multiple laboratory branches are located across the country, supporting door-to-door sampling/sending samples for testing.

3. The testing cycle is short, the testing cost is low, and the experimental plan is more complete.

4. For initial inspection of samples, no testing fees will be charged during the initial inspection.

5. The test report supports scanning the QR code to check the authenticity.

BAIJIAN testing process

1. Send samples. (Communicate with engineers, submit your own testing requirements and send samples to our research institute)

2. Initial inspection samples. (After receiving the sample, conduct a preliminary inspection of the sample and formulate a detailed experimental plan)

3. Quotation.(After the initial inspection, a quotation will be made based on the customer's testing needs and the complexity of the experiment)

4. Both parties confirm, sign a confidentiality agreement, and start the experiment.

5. It takes 7-15 working days to complete the experiment.

6. Mail the test report and provide post-service.

The above is the relevant introduction to magnetic performance testing. If you have other needs, you can consult the laboratory engineer to help you solve it.

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