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Corrosion tests in artificial atmospheres — Salt spray tests
| 분야 | ISO/TC 156 : Corrosion of metals and alloys |
|---|---|
| 적용범위 | This document specifies the apparatus, the reagents and the procedure to be used in conducting the neutral salt spray (NSS), acetic acid salt spray (AASS) and copper-accelerated acetic acid salt spray (CASS) tests for assessment of the corrosion resistance of metallic materials, with or without permanent or temporary corrosion protection. It also describes the method employed to evaluate the corrosivity of the test cabinet environment. It does not specify the dimensions or types of test specimens, the exposure period to be used for a particular product, or the interpretation of results. Such details are provided in the appropriate product specifications. The salt spray tests are particularly useful for detecting discontinuities, such as pores and other defects, in certain metallic, organic, anodic oxide and conversion coatings. The NSS test is particularly applicable to: — metals and their alloys; — metallic coatings (anodic and cathodic); — conversion coatings; — anodic oxide coatings; — organic coatings on metallic materials. The AASS test is especially useful for testing decorative coatings of copper + nickel + chromium, or nickel + chromium. It has also been found suitable for testing anodic and organic coatings on aluminium. The CASS test is useful for testing decorative coatings of copper + nickel + chromium, or nickel + chromium. It has also been found suitable for testing anodic and organic coatings on aluminium. The salt spray methods are all suitable for checking that the quality of a metallic material, with or without corrosion protection, is maintained. They are not intended to be used for comparative testing as a means of ranking different materials relative to each other with respect to corrosion resistance or as means of predicting long-term corrosion resistance of the tested material. |
| 국제분류(ICS)코드 | 77.060 : 금속 부식 |
| 페이지수 | 23 |
| Edition | 5 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 9227:2022/Amd 1:2024 | Corrosion tests in artificial atmospheres — Salt spray tests — Amendment 1: Footnote of Warning | 2024-06-07 | 표준 |
| 2 | ISO 9227:2022 | Corrosion tests in artificial atmospheres — Salt spray tests | 2022-11-11 | 표준 |
| 3 | ISO 9227:2017 | Corrosion tests in artificial atmospheres — Salt spray tests | 2017-03-17 | 구판 |
| 4 | ISO 9227:2012 | Corrosion tests in artificial atmospheres — Salt spray tests | 2012-05-15 | 구판 |
| 5 | ISO 9227:2006 | Corrosion tests in artificial atmospheres — Salt spray tests | 2006-07-06 | 구판 |
| 6 | ISO 9227:1990 | Corrosion tests in artificial atmospheres — Salt spray tests | 1990-12-13 | 구판 |
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