GB/T 34171-2017Test method for flexural property of thin and ultrathin glass—Three-point bending method (English PDF)
薄与超薄玻璃弯曲性能试验方法 三点弯曲法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 7, 2017
Implementation date
August 1, 2018
Scope
GB/T 34171-2017 is the English-translated version of 薄与超薄玻璃弯曲性能试验方法 三点弯曲法.
GB/T 34171-2017 is the Chinese standard "Test method for flexural property of thin and ultrathin glass—Three-point bending method".
Its scope clause reads: This standard specifies the use of three-point bending test thin and ultra-thin glass bending properties of the terms and definitions, samples, test equipment, before the test Preparation, bending strength test, bending load - deflection test, critical radius of curvature calculation and test report.
This standard applies to the determination of the thickness of 3mm below the thin and ultra-thin glass under three-point bending conditions, bending strength, deflection, bending Curve load - deflection curve and critical radius of curvature. Its clauses include terms and definitions.
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Document preview — GB/T 34171-2017
National Standard of the People's Republic of China
- ICS
- 81.040.10
- Classification
- Q 30
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Thin glass
- 3.2 Slim glass ultrathinglass
- 3.3 Base beam substratebeam
- 3.4 Composite beam
- 3.5 Combination of three-point beam bending method
- 3.6 Destruction deflection
1 Scope
This standard specifies the use of three-point bending test thin and ultra-thin glass bending properties of the terms and definitions, samples, test equipment, before the test
Preparation, bending strength test, bending load - deflection test, critical radius of curvature calculation and test report.
This standard applies to the determination of the thickness of 3mm below the thin and ultra-thin glass under three-point bending conditions, bending strength, deflection, bending
Curve load - deflection curve and critical radius of curvature.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Fine ceramic - Determination of elastic modulus - Bending method
GB/T 16825.1 static uniaxial testing machine test Part 1. Tensile and (or) pressure testing machine testing system and force measurement calibration
JC/T 678 glass materials elastic modulus, shear modulus and Poisson's ratio test method
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Thin glass
Thickness greater than or equal to 1.1mm and less than 3mm glass.
3.2 Slim glass ultrathinglass
Glass thickness less than 1.1mm.
3.3 Base beam substratebeam
The ultimate strain is much larger than that of glass made of elastoplastic metal and used as a composite beam base.
3.4 Composite beam
Beam bonded by the ultra-thin glass and the substrate beam into one.
3.5 Combination of three-point beam bending method
Under three-point bending, the composite beam equates ultra-thin glass with the bending strength test method for the coating on the substrate subject to tensile stress.
3.6 Destruction deflection
Under the bending effect of the specimen, the corresponding maximum deflection is destroyed.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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