ISO 16701:2015
Corrosion of metals and alloys — Corrosion in artificial atmosphere — Accelerated corrosion test involving exposure under controlled conditions of humidity cycling and intermittent spraying of a salt solution
ISO 16071:2015 specifies the test method, the reagents, and the procedure to be used in an accelerated atmospheric corrosion test constituting a 6 h exposure to a slightly acidified solution of 1 % NaCl twice weekly, followed by a condition of controlled humidity cycling between 95 % RH and 50 % RH at a constant temperature of 35 °C.
It does not specify the dimensions of the tests specimens, the exposure period to be used for a particular product, or the interpretation of the results. Such details are provided in the appropriate product specifications.
The accelerated laboratory corrosion test applies to metals and their alloys, metallic coatings (anodic or cathodic), chemical conversion coatings, and organic coatings on metallic materials.
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Foreword
Introduction
1 Scope
2 Normative references
3 Reagent
4 Apparatus
4.1 Climate chamber
4.2 Spraying device
4.3 System for forced drying
5 Test objects
6 Procedure
6.1 Arrangement of the test objects
6.2 Exposure conditions of test cycle
6.3 Duration of test
6.4 Treatment of test objects after test
7 Evaluation of results
8 Test report
Annex A (informative) Recommended periods of testing
Annex B (informative) Suitable design of test apparatus with spraying device
Annex C (informative) Method for evaluation of corrosivity of test
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Reagent
4 Apparatus
4.1 Climate chamber
4.2 Spraying device
4.3 System for forced drying
5 Test objects
6 Procedure
6.1 Arrangement of the test objects
6.2 Exposure conditions of test cycle
6.3 Duration of test
6.4 Treatment of test objects after test
7 Evaluation of results
8 Test report
Annex A (informative) Recommended periods of testing
Annex B (informative) Suitable design of test apparatus with spraying device
Annex C (informative) Method for evaluation of corrosivity of test
Bibliography