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GB/T 35465.3-2017Test method for fatigue properties of polymer matrix composite materials -Part 3: Tension-tension fatigue (English PDF)

聚合物基复合材料疲劳性能测试方法第3部分：拉-拉疲劳

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

November 1, 2018

Scope

GB/T 35465.3-2017 is the English-translated version of 聚合物基复合材料疲劳性能测试方法第3部分：拉-拉疲劳.

GB/T 35465.3-2017 is the Chinese standard "Test method for fatigue properties of polymer matrix composite materials -Part 3: Tension-tension fatigue".

Its scope clause reads: This part of GB/T 35464 specifies the terms and definitions, theory, test equipment, specimen, conditioning and test environment, test procedures, test results and data processing, and test report of test method for fatigue properties of polymer matrix composite materials.

This part applies to the tension-tension fatigue properties test of polymer matrix composite materials under cyclic loading conditions of constant amplitude and frequency. Its clauses include terms and definitions; theory; test equipment; specimens.

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Document preview — GB/T 35465.3-2017

National Standard of the People's Republic of China

ICS: 83.120
Classification: Q 23
Replacing: GB/T 16779-2008

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Theory
5 Test equipment
6 Specimen
7 State adjustment and test environment
8 Test procedure
9 Test results and data processing
10 Test report
Annex A (Informative) Typical failure modes

1 Scope

This part of GB/T 35464 specifies the terms and definitions, theory, test equipment, specimen, conditioning and test environment, test procedures, test results and data processing, and test report of test method for fatigue properties of polymer matrix composite materials.

This part applies to the tension-tension fatigue properties test of polymer matrix composite materials under cyclic loading conditions of constant amplitude and frequency.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 1447 Fiber-reinforced plastics composites - Determination of tensile properties

GB/T 3354 Test method for tensile properties of orientation fiber reinforced polymer matrix composite materials

GB/T 35465.1 Test method for fatigue properties of polymer matrix composite materials - Part 1: General principle

GB/T 35465.2 Test method for fatigue properties of polymer matrix composite materials - Part 2: Statistical analysis of linear or linearized stress-life (S-N) and strain-life (epsilon-N) fatigue data

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 1447, GB/T 3354, and GB/T 35464.1 and the following apply.

3.1 tension-tension fatigue

the maximum stress and the minimum stress are both fatigue under tensile stress

4 Theory

Under different tensile stress or strain levels, alternating stress or strain shall be applied to the specimen with constant stress or strain amplitude, stress ratio or strain ratio, and frequency, until the specimen fails. Test results shall be analyzed and treated to draw stress-life (S-N) or strain-life (epsilon-N) curves

5 Test equipment

5.1

The test equipment shall meet the requirements of GB/T 35465.1.

5.2

Fixtures and ancillary equipment shall ensure that no relative slip of the specimen occurs during the test.

5.3

The dimension measuring tool shall be accurate to 0.01 mm.

6 Specimens

6.1 Shape and dimension of the specimens

The specimen is divided into vertical bar type and dumbbell-shaped type. In special needs, the fully processed type specimen may also be adopted. Vertical bar type and dumbbell-shaped specimens shall be adopted for unidirectional laminates, vertical bar type and dumbbell-shaped specimens may be adopted for other laminates, and dumbbell type specimen shall be adopted for the non-laminates such as molded chopped felt. The shapes of the vertical bar type specimen are shown in Figure 1, see Table 1 for the dimensions; see Figures 2 and 3 for the shapes and dimensions of the dumbbell-shaped specimen and fully processed type specimen.

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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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Editions of GB/T 35465.3

Edition	Title	Revision	Status
GB/T 35465.3-2017	Test method for fatigue properties of polymer matrix composite materials -Part 3: Tension-tension fatigue	current edition	Current
GB/T 16779-2008	Test method for fatigue properties of polymer matrix composite materials -Part 3: Tension-tension fatigue	previous edition	Superseded

This page sells the current edition, GB/T 35465.3-2017. Earlier editions are listed for reference only.

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