GB/T 7732-2008Metallic materials - Fracture toughness testing method with surface crack tension specimens (English PDF)
金属材料 表面裂纹拉伸试样断裂韧度试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 13, 2008
Implementation date
November 1, 2008
Scope
GB/T 7732-2008 is the English-translated version of 金属材料 表面裂纹拉伸试样断裂韧度试验方法.
GB/T 7732-2008 is the Chinese standard "Metallic materials - Fracture toughness testing method with surface crack tension specimens".
Its scope clause reads: This standard specifies the principles of fracture toughness test method for determining under continuous slowly increasing tensile load, the terms, definitions and symbols, test Thus, test equipment and test procedures, test results processing and test report.
This standard applies to metallic material having a rectangular cross-sectional portion of the circular or semi-elliptical surface crack tension specimens.
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Document preview — GB/T 7732-2008
National Standard of the People's Republic of China
- ICS
- 77.040.10
- Classification
- H 22
- Replacing
- GB 7732-1987
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4.1 Terms and Definitions
- 2 Ba
- 4.2 Symbol
1 Scope
This standard specifies the principles of fracture toughness test method for determining under continuous slowly increasing tensile load, the terms, definitions and symbols, test
Thus, test equipment and test procedures, test results processing and test report.
This standard applies to metallic material having a rectangular cross-sectional portion of the circular or semi-elliptical surface crack tension specimens.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 228 metal materials at room temperature tensile test method (GB/T 228-2002, eqv ISO 6892.1998)
GB/T 10623 test the mechanical properties of metallic materials terminology (GB/T 10623-2008, ISO 23718.2007, MOD)
GB/T 12160 uniaxial extensometer calibration test (GB/T 12160-2002, ISO 9513.1999, IDT)
Inspection and correction tension and (or) pressure testing machine force measuring system. GB/T 16825.1 of static uniaxial testing machines - Part 1
Associate (GB/T 16825.1-2002, ISO 7500-1.1999, IDT)
GB/T 20832 metal material specimen axis relative to the texture of the product identification (GB/T 20832-2007, ISO 3785.2002,
IDT)
Principle 3
This test is used to evaluate a surface crack in sheet or plate-like structure similar service in the process of carrying capacity. When service bar
Member and the same experimental conditions, surface crack tensile test results can be directly applied in the design.
4 terms, definitions and symbols
4.1 Terms and Definitions
GB/T 10623 and specified the following terms and definitions apply to this standard.
4.1.1
The deepest point of the crack front surface distance between the front surface of the specimen. Crack depth is part of the sample thickness.
4.1.2
2 Ba
Distance from the front surface of the specimen surface intersecting points between crack front.
4.1.3
sigmar
The maximum tensile load of the sample cross-sectional area ratio of.
4.2 Symbol
Symbols, units and names are listed in Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 7732
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7732-2008 | Metallic materials - Fracture toughness testing method with surface crack tension specimens | current edition | Current |
| GB 7732-1987 | Metallic materials - Fracture toughness testing method with surface crack tension specimens | previous edition | Superseded |
This page sells the current edition, GB/T 7732-2008. Earlier editions are listed for reference only.
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