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ISO 21746:2019 Composites and metal assemblies - Galvanic corrosion tests of carbon fibre reinforced plastics (CFRPs) related bonded or fastened structures in artificial atmospheres - Salt spray tests >
ISO 21746:2019 Composites and metal assemblies - Galvanic corrosion tests of carbon fibre reinforced plastics (CFRPs) related bonded or fastened structures in artificial atmospheres - Salt spray tests, 2019
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Test solutions
- 4.1 Preparation of the sodium chloride solution
- 4.2 pH adjustment
- 4.2.1 pH of the salt solution
- 4.2.2 Neutral salt spray test (NSS)
- 4.2.3 Acetic acid salt spray test (AASS)
- 4.2.4 Copper-accelerated acetic acid salt spray test (CASS)
- 4.3 Filtration
- 5 Apparatus
- 6 Method for evaluating cabinet corrosivity
- 6.1 General
- 6.2 Reference specimens
- 6.3 Arrangement of the reference specimens
- 6.4 Duration of tests
- 6.5 Determination of mass loss (mass per area)
- 6.6 Satisfactory performance of cabinet
- 7 Test specimens
- 8 Arrangement of the test specimens
- 9 Operating conditions
- 10 Duration of tests
- 11 Treatment of specimens after test
- 11.1 General
- 11.2 Non-organic coated specimens: metallic and/or inorganic coated
- 11.3 Organic coated specimens
- 11.3.1 Scribed organic coated specimens
- 11.3.2 Organic coated but not scribed specimens
- 12 Evaluation of results
- 13 Test report
- Annex A (informative) Example schematic diagram of one possible design of spray cabinet for galvanic corrosion test with means for optional treating fog exhaust and drain
- Annex B (informative) Complementary method for evaluating galvanic corrosion test cabinet corrosivity using zinc reference specimens
- Annex C (normative) Preparation of galvanic corrosion test panels with organic coatings
- Annex D (normative) Required supplementary information for testing galvanic corrosion test panels with organic coatings
- Annex E (informative) Recommended specimen geometries — Salt spray tests to metal and CFRP assemblies
- Bibliography [Go to Page]