GB/T 5594.3-2015Test methods for properties of structure ceramic used in electronic components and device - Part 3: Test method for mean coefficient of linear expansion (English PDF)
电子元器件结构陶瓷材料性能测试方法 第3部分：平均线膨胀系数测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 15, 2015
Implementation date
January 1, 2016
Scope
GB/T 5594.3-2015 is the English-translated version of 电子元器件结构陶瓷材料性能测试方法 第3部分：平均线膨胀系数测试方法.
GB/T 5594.3-2015 is the Chinese standard "Test methods for properties of structure ceramic used in electronic components and device - Part 3: Test method for mean coefficient of linear expansion".
Its scope clause reads: GB/T 5594 This section provides the sample average linear expansion coefficient of ceramic materials testing, test equipment, test methods and reporting format.
This section applies to the test average linear expansion coefficient of electronic components structural ceramic materials. Its clauses include terms and definitions.
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Document preview — GB/T 5594.3-2015
National Standard of the People's Republic of China
- ICS
- 31.030
- Classification
- L 90
- Replacing
- GB/T 5594.3-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Linear expansion coefficient
- 4.3 power, heating and uniform heating
1 Scope
GB/T 5594 This section provides the sample average linear expansion coefficient of ceramic materials testing, test equipment, test methods and reporting format.
This section applies to the test average linear expansion coefficient of electronic components structural ceramic materials.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 5593-2015 Electronic Component Structure Ceramics
GB/T 9530-1988 electronic ceramics Terminology
3 Terms and Definitions
GB/T 9530-1988 and defined the following terms and definitions apply to this document.
3.1 Linear expansion coefficient
In a certain temperature range, temperature variation changes the value of the sample relative 1K linear dimensions. Common formula (1).
alpha = lt-l0 l0 (t-t0) (1)
Where.
--- coefficient of linear expansion [alpha];
--- initial length L0, the temperature of the unit t0 sample millimeters (mm);
Length in lt t --- the heating temperature when the sample was to millimeters (mm).
Test Method 4 4.1 Samples should be consistent with GB/T 5593-2015 requirements in Table 2 and with an accuracy of 0.02mm caliper measurement sample length L0.
4.2
sample was placed on Al2O3 ceramic or quartz glass tube, it should be kept straight and steady, and high temperature and quartz glass or ceramic Al2O3
Porcelain transmission lever contact. With 10 times the magnifying glass, there should be no visible cracks and pores.
4.3 power, heating and uniform heating
A sample rate of temperature increase of not more than 5 °C/min.
4.4
points record temperature and elongation values deltaL, until the desired temperature is reached to test (measuring range from room temperature to 1200 °C).
4.5
according to the different types of instrument, test results can be displayed directly on the computer screen, or by the formula (2) to calculate the value of alpha.
alpha =
deltaL
M × L0 × deltaT
alpha medium (2) […]
......
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
Similar standards
Editions of GB/T 5594.3
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5594.3-2015 | Test methods for properties of structure ceramic used in electronic components and device - Part 3: Test method for mean coefficient of linear expansion | current edition | Current |
| GB/T 5594.3-1985 | Test methods for properties of structure ceramic used in electronic components and device - Part 3: Test method for mean coefficient of linear expansion | previous edition | Superseded |
This page sells the current edition, GB/T 5594.3-2015. Earlier editions are listed for reference only.
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Related Standards
GB/T 5594.1-1985 — Test methods for properties of structure ceramic used in electronic components. Test method for gas-tightness
GB/T 5594.2-1985 — Test methods for properties of structure ceramic used in electronic components--Test method for Youngelastic modulus and Poisson ratio
GB/T 5594.4-2015 — Test methods for properties of structure ceramic used in electronic components and device - Part 4: Test method for permittivity and dielectric loss angle tangent value
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