GB/T 32496-2016Test method for volume fraction of reinforcement in metal matrix composites - Image analysis method (English PDF)
金属基复合材料增强体体积含量试验方法 图像分析法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 24, 2016
Implementation date
January 1, 2017
Scope
GB/T 32496-2016 is the English-translated version of 金属基复合材料增强体体积含量试验方法 图像分析法.
GB/T 32496-2016 is the Chinese standard "Test method for volume fraction of reinforcement in metal matrix composites - Image analysis method".
Its scope clause reads: This standard specifies the method of determining the particle or fiber volume content of the particle reinforced and unidirectional continuous fiber reinforced metal matrix composites.
Test equipment, test specimens, test methods, test results and test reports. This standard applies to enhance the particle size greater than 1µm particle enhancement or diameter greater than 1µm single-way continuous fiber reinforced metal complex Determination of particle or fiber volume in the material.
Its clauses include normative reference documents; principle of the method; test equipment.
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Document preview — GB/T 32496-2016
National Standard of the People's Republic of China
- ICS
- 77.040.99
- Classification
- H 24
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 Principle of the method
- 4 test equipment
1 Scope
This standard specifies the method of determining the particle or fiber volume content of the particle reinforced and unidirectional continuous fiber reinforced metal matrix composites.
Test equipment, test specimens, test methods, test results and test reports.
This standard applies to enhance the particle size greater than 1µm particle enhancement or diameter greater than 1µm single-way continuous fiber reinforced metal complex
Determination of particle or fiber volume in the material.
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.
Methods for inspection of metallic microstructures GB/T 13298-1991
3 Principle of the method
3.1 principle of stereology
Stereology (Stereology), from the two-dimensional section or projection surface image feature parameters to restore (or deduce) three-dimensional image morphology science. According to the principle of stereology, the two-dimensional parameters measured and calculated on the grinding surface of the metallographic sample can determine the volume of the phase in the three-dimensional space.
fraction.
The stereoscopic exchange formula (1).
VV = AA = LL (1)
Where.
VV - Percentage of particles or fiber volume to be measured,%;
AA - Percentage of particles or fiber area to be measured,%;
LL - Percentage of cut line or fiber cut line,%.
3.2 Principles of Image Analyzer
Through the image segmentation technology and data processing system, automatic measurement of the percentage of reinforced area AA, according to formula (1) VV = AA Volume of volume to be measured.
3.3 Principle of the microscope
Using a scalable microscope eyepiece to directly measure the particles or fibers of the lens to be measured in the field of view of the microscope,
The ratio of the total length of the line segment cut by the measured reinforcement to the total length of the measured line segment is calculated according to VV = LL in equation (1)
Calculate the volume of the volume to be measured.
4 test equipment
4.1
image analyzer with quantitative measurement and analysis software (area, area percentage) and data processing system.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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