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Detailed description

Microstructural analysis

Detection standard

  • Detection specification

Where can I do microstructure analysis? BAIJIAN Materials Testing Institution provides various microstructure analysis services. It has a formal material testing laboratory, a CMA qualification certification agency, a high-tech enterprise, complete testing instruments, a strong scientific research team, and a formal A third-party analysis and testing institution, it has strong technical strength in terms of product non-metallic inclusions, metallographic structure, carburizing/nitriding/hardened layer depth, etc. The test report supports scanning the QR code to check the authenticity, and many laboratory branches across the country , supporting nationwide door-to-door sampling/sample delivery testing services.

Test items: Microstructure analysis

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.

Scope of microstructure analysis

Inorganic material microstructure, graphite microstructure, gabbro microstructure, ancient ceramic microstructure, silica brick microstructure, ceramics Material microstructure, glass microstructure, refractory material microstructure, crystal material microstructure, coke microstructure, metal material microstructure, etc.

Introduction to microstructure analysis methods

The following are 20 common microstructure analysis methods and their detailed descriptions:

1. Transmission electron microscope (TEM) ): used to observe the internal structure and crystal structure of materials.

2. Scanning electron microscope (SEM): Provides high-resolution surface morphology and composition analysis.

3. Atomic force microscope (AFM): Provides nanometer-level surface topology and mechanical properties, such as hardness and elasticity.

4. X-ray diffraction (XRD): used to analyze the crystallinity and crystal structure of materials.

5. Scintillation counter: used to measure the radiation intensity and energy spectrum in radioactive samples.

6. Optical microscope (OM): used to observe the external morphology and organizational structure of materials.

7. Thermogravimetric analysis (TGA): used to determine the thermal stability and thermal degradation behavior of materials.

8. Differential Scanning Calorimeter (DSC): used to measure the heat capacity and thermal properties of materials, such as melting point and glass transition temperature.

9. Tensile testing machine: used to evaluate the mechanical properties of materials, such as tensile strength, yield strength and elongation.

10. Fourier transform infrared spectroscopy (FTIR): used to analyze the structure and chemical composition of materials.

11. Micro hardness tester: used to measure the hardness and elastic modulus of materials.

12. Magnetic force microscope (MFM): used to observe the magnetic field distribution and microstructure of magnetic materials.

13. Nanoindentation instrument: used to test the hardness, elastic modulus and plastic deformation of materials at the nanometer level.shape.

14. Conductivity measuring instrument: used to measure the conductivity of materials, such as metals, semiconductors and polymers.

15. Energy spectrometer: used to determine the composition and content of elements in materials.

16. Confocal Laser Microscopy (CLSM): Provides high-resolution three-dimensional images and surface morphology.

17. Thermal expansion coefficient measuring instrument: used to measure the length expansion or contraction of materials under temperature changes.

18. Surface plasmon resonance sensor (SPR): used for real-time monitoring and analysis of biomolecular interactions.

19. Stable isotope analyzer (IRMS): used to measure the ratio of stable isotopes in samples, such as carbon, nitrogen and oxygen.

20. Thermal analysis/thermogravimetry/differential scanning calorimetry (STA/DSC/TGA) coupling instrument: used to simultaneously measure the thermal stability, heat capacity and thermal degradation behavior of materials.

Microstructural analysis project

Non-metallic inclusion assessment: Check steel for important purposes (such as rolling bearing steel, The quantity, shape, size and distribution of non-metallic inclusions (spring steel, stainless steel, high-speed steel, alloy steel, mold steel, etc.) are helpful for companies to control product performance and improve product quality.

Macroscopic metallographic structure analysis: Evaluate whether there are voids and inclusions in products (such as cast iron, steel, non-ferrous metal parts, welded parts, etc.) , such as the structural direction of the die casting and whether there are obvious defects such as incomplete penetration of the weld.

Metal average grain size evaluation: Check the material grain size and evaluate the material performance.

X-ray diffractometer technology (XRD): Use XRD to conduct phase identification, crystallinity analysis, lattice parameters, microscopic analysis of materials Stress measurement, average particle size measurement of nanoparticles, etc. can help companies understand the performance and quality of materials in all aspects of R&D, production, and use.

Micrometallographic structure analysis: Mainly used to inspect metal materials (such as cast iron, steel, copper alloy, aluminum alloy, magnesium alloy , nickel alloy, titanium alloy, etc.) microstructure composition to evaluate the quality of heat treatment.

Carburizing/nitriding/hardened layer depth measurement: Inspection components (carburizing, nitriding, decarburization, carbonitriding Surface treated steel parts, induction hardened steel parts, etc.) after surface carburizing, nitriding or hardening treatment, penetration depth and structural changes.

What are the uses of BAIJIAN analysis reports? What problems can it help you solve?

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

2. Industrial diagnostic report. (When encountering some difficult problems about ingredients, use third-party testing data to find the cause of the problem and solve the problem in a timely manner.)

3. Product performance improvement. (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.

5. Products are used for import and export.

6. Product development and use. (Want to develop new products and shorten the R&D cycle and R&D costs)

Microstructure analysis standards

GB /T 224-2008 Determination of Decarburized Layer Depth of Steel

GB/T 13298-1991 Metal Microstructure Examination

GB/T 13299-1991 Microstructure Evaluation of Steel Copper and copper alloys

QJ 2337-1992 Metallographic tests of beryllium bronze

GB/T 6394-2002 Determination of average grain size of metals

ASTM E112-2013 Standard for determination of average grain size

GB/T 3246.2-2000 Low-magnification structure inspection of deformed aluminum and aluminum alloy products

GB/T 226-1991 Low-magnification structure and defects of steel Acid etching test

GB/T 10561-2005 Standard rating chart microscopic examination for determination of non-metallic inclusion content in steel

ASTM E45-2013 Test for determination of inclusion content in steel< /p>

ASTM A892-2009(2014)e1 Guide for determination and evaluation of microstructure of high carbon bearing steel

ASTM E2283-2008(2014) Non-metallic inclusions and other microstructures in steel Procedure for analysis of characteristic extreme values

BS 7164-11-1-1994 Chemical testing of raw and vulcanized rubber. Methods for determination of volatile matter. Butadiene. Method for determination of microstructure

DIN EN ISO 945-1-2010 Microstructure of cast irons Part 1: Classification of graphite by visual analysis

DIN EN ISO 4499-1-2010 Metallographic determination of the microstructure of cemented carbide

DIN EN ISO 4499-2-2010 Metallographic determination of the microstructure of cemented carbide Part 2: Measurement of tungsten carbide grain size

GB/T 5594.8-2015 Test methods for properties of structural ceramic materials for electronic components Part 8: Determination of microstructure

GOST 9391-1980 Porosity of forged carbide Methods for determination of microstructure and microstructure

GOST 27637-1988 Semi-finished products made of aluminum alloys resistant to heat deformation: inspection of microstructure for fusing by metallographic methods

ISO 4499-1-2008 Hard Metallographic determination of the microstructure of alloys Part 1: Micrographs and description

ISO 4499-2-2008 Metallographic determination of the microstructure of cemented carbide Part 2: Tungsten carbide grain size Measurement

ISO/TR 140-532-2009 Microstructure of wear-resistant surfacing classification of welding consumables

ISO/TR 945-2-2011 Microstructure of cast iron Part 2: Graphite classification using image analysis

ISO/TR 13393-2009 Microstructure of welding consumables wear-resistant surfacing classification

NF A95-442-1993 Carbide. Microstructural Metallographic determination

NF EN 24499-1993 Cemented carbide. Metallographic determination of microstructure

ISO 3887-2003 Determination of decarburized layer of steel

What are the advantages of BAIJIAN material testing laboratory?

1. Collectively owned testing institution 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 microstructure analysis. If you have other testing needs, you can consult the laboratory engineer to help you solve it.

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