GB/T 7962.6-2010Test methods of colourless optical glass - Part 6: Young's modulus,shear modulus and Poisson's ratio (English PDF)
无色光学玻璃测试方法 第6部分：杨氏模量、剪切模量及泊松比
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
January 14, 2011
Implementation date
May 1, 2011
Scope
GB/T 7962.6-2010 is the English-translated version of 无色光学玻璃测试方法 第6部分：杨氏模量、剪切模量及泊松比.
GB/T 7962.6-2010 is the Chinese standard "Test methods of colourless optical glass - Part 6: Young's modulus,shear modulus and Poisson's ratio". Its scope clause reads: This part of GB/T 7962 specifies the test methods, test steps and data processing for the Young's modulus, shear modulus and Poisson's ratio of colourless optical glass.
This part is applicable to the test on the Young's modulus, shear modulus and Poisson's ratio of colourless optical glass. Its clauses include terms and definitions.
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Document preview — GB/T 7962.6-2010
National Standard of the People's Republic of China
- ICS
- 81.040.01
- Classification
- N 05
- Replacing
- GB/T 7962.23-1987
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword i
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Apparatus
- 6 Sample
- 7 Test steps
- 8 Result calculation
1 Scope
This part of GB/T 7962 specifies the test methods, test steps and data processing for the Young's modulus, shear modulus and Poisson's ratio of colourless optical glass.
This part is applicable to the test on the Young's modulus, shear modulus and Poisson's ratio of colourless optical glass.
2 Normative references
The following documents contain provisions which, through reference in this part of GB/T 7962, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions apply to this part.
GB/T 7962.20 Test methods of colourless optical glass - Part 20: Density
3 Terms and definitions
For the purposes of this part, the following terms and definitions apply.
3.1 Young's modulus
E ratio of the applied tensile stress to the relative elongation of the object under the action of tensile stress
Note: the unit is Pascal (Pa).
3.2 shear modulus
G ratio of shear stress to the relative transverse contraction of the object under the action of shear stress
Note: the unit is Pascal (Pa).
3.3 Poisson's ratio
µ ratio of the relative elongation of object under force to the relative transverse contraction in the direction perpendicular to that of elongation
3.4 transverse wave
wave of which the propagation direction is perpendicular to the vibration direction of the particle in the medium, the propagation velocity is represented by the symbol VT; solid medium has a characteristic of not only bearing volume deformation but also bearing shear deformation, so transverse wave is generated where shear force alternately acts on solid medium; transverse wave can only propagate in solid medium
3.5 longitudinal wave
wave of which the propagation direction is consistent with the vibration direction of the particle in the medium, the propagation velocity is represented by the symbol VL; longitudinal wave is generated in any solid medium in case of alternative volume change […]
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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.
Referenced standards
Similar standards
Editions of GB/T 7962.6
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7962.6-2010 | Test methods of colourless optical glass - Part 6: Young's modulus,shear modulus and Poisson's ratio | current edition | Current |
| GB/T 7962.23-1987 | Test methods of colourless optical glass - Part 6: Young's modulus,shear modulus and Poisson's ratio | previous edition | Superseded |
This page sells the current edition, GB/T 7962.6-2010. Earlier editions are listed for reference only.
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Related Standards
GB/T 7962.1-2010 — Test methods of colourless optical glass - Part 1: Refractive index and coefficient of dispersion
GB/T 7962.10-2010 — Test methods of colourless optical glass - Part 10: X-rays stability
GB/T 7962.11-2010 — Test method for colourless optical glass - Part 11: Precise test method for refractive index in the visible wave band
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