GB/T 34559-2017Test method for compressive property of C/C composites (English PDF)
碳/碳复合材料压缩性能试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2017
Implementation date
September 1, 2018
Scope
GB/T 34559-2017 is the English-translated version of 碳/碳复合材料压缩性能试验方法.
GB/T 34559-2017 is a test method for the compressive properties of carbon/carbon composites at room temperature.
Clause 1 states that it specifies the terms and definitions, test method, test equipment, specimens, test conditions, test procedure, calculation and test report for those properties, and that it applies to determining the compressive strength, compressive modulus of elasticity and compressive stress-strain curve of three-dimensional punctured carbon/carbon composites and quasi-three-dimensional needled carbon/carbon composites at room temperature; it adds that carbon/carbon composites of similar structure may also be tested by reference to it.
Clause 3 defines the vocabulary the method relies on, including carbon/carbon composites as carbon-fibre-reinforced carbon-matrix composites, three-dimensional punctured carbon fibre textile, punctured three-dimensional C/C composites, needled quasi-three-dimensional carbon fibre textile and the corresponding composites, and the XY and Z directions, the latter being perpendicular to the XY plane.
Clause 2 cites GB/T 1446 on general rules for test methods for fibre-reinforced plastics and GB/T 3961 on fibre-reinforced plastics terminology.
The standard was proposed by the China Building Materials Federation and is administered by the National Technical Committee for Standardization of Fibre Reinforced Plastics (SAC/TC 39), and the drafting organisations named include Hunan Boyun New Materials, the China Aircraft Strength Research Institute and Central South University. It was issued on 14 October 2017 and has applied since 1 September 2018.
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Document preview — GB/T 34559-2017
National Standard of the People's Republic of China
- ICS
- 83.120
- Classification
- Q 23
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions GB/T 3961 and define the following
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the carbon/carbon composite room temperature compressive properties of the terms and definitions of test methods, test equipment, samples, test conditions, test Test procedures, calculations and test reports.
This standard applies to the determination of three-dimensional puncture at room temperature carbon/carbon composites and quasi-three-dimensional acupuncture carbon/carbon composites compressive strength, compression Elastic modulus, compressive stress - strain curve. Similar structure of carbon/carbon composites can also be implemented by reference.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1446 fiber-reinforced plastics performance test methods General
GB/T 3961 fiber-reinforced plastic terminology
3 Terms and definitions
GB/T 3961 and define the following terms and definitions apply to this document.
3.1 Carbon/Carbon Composites
Carbon fiber reinforced carbon-based composite materials.
3.2 Three-dimensional puncture carbon fiber fabric
XY to continuous carbon fiber layer, Z direction using continuous carbon fiber bundle through the two-way through the three-dimensional overall fabric.
3.3 Punctured three-dimensional C/C composites
Carbon/carbon composites prepared with three-dimensional punctuated carbon fiber fabric as reinforcement.
3.4 Quasi-three-dimensional acupuncture carbon fiber fabric
XY direction is carbon fiber non-woven fabric or carbon fiber Warp weft cloth and short carbon fiber mesh layer, Z direction using needle punching process to introduce short carbon fiber Dimensional and made of quasi-three-dimensional overall fabric.
3.5 Quasi-three-dimensional acupuncture carbon/carbon composite
Carbon/carbon composites prepared with quasi-three-dimensional needled carbon fiber fabric as reinforcement.
3.6 XY direction
C/C composites without weft or continuous filament orientation of the flat surface.
3.7 Z direction
Carbon/carbon composites perpendicular to the XY direction.
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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
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Related Standards
GB/T 1446-2005 — Fiber-reinforced plastics composites-The generals for determination of properties
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