GB/T 35465.6-2020Test method for fatigue properties of polymer matrix composite materials - Part 6:Fatige properties of adhesives in shear by tension (English PDF)

1 Scope

This part of GB/T 35465 specifies the terms and definitions of the test method for tensile shear fatigue performance of adhesives for polymer matrix composites.

Principles, test equipment, samples, condition adjustment and test environment, test procedures, test results, data processing and test reports.

This section applies to the tensile shear of adhesives for polymer matrix composites under constant stress amplitude and constant frequency cyclic loading conditions

Fatigue performance test.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated references, the latest version (including all amendments) applies to this document.

GB/T 21526 Guidelines for the surface treatment of metal and plastics before bonding of structural adhesives

GB/T 33334 Adhesive single lap tensile shear strength test method (composite to composite)

GB/T 35465.1 Fatigue performance test methods of polymer matrix composites Part 1.General rules

GB/T 35465.2 Fatigue performance test methods of polymer matrix composites Part 2.Linear or linearized stress life (SN)

And strain life (epsilon-N) fatigue data statistical analysis

3 Terms and definitions

The following terms and definitions defined in GB/T 33334 and GB/T 35465.1 apply to this document.

4 Principle

Under different tensile and shear stress levels, alternating stress is applied to the specimen with a constant stress amplitude, stress ratio and frequency, and continues until the test

If the sample fails, the test results are analyzed and processed, and the stress life (SN) curve is drawn.

5 Test equipment