Risk Evaluation for Coating Thickness Conformity Assessment
| Autor: | Dubravka Božić, Marina Samardžija, Marin Kurtela, Zdenka Keran, Biserka Runje |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2023 |
| Předmět: |
global consumer’s risk
global producer’s risk conformity assessment measurement uncertainty gray cast iron epoxy coating Technology Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
| Zdroj: | Materials, Vol 16, Iss 2, p 758 (2023) |
| Druh dokumentu: | article |
| ISSN: | 16020758 1996-1944 |
| DOI: | 10.3390/ma16020758 |
| Popis: | This paper presents the conformity assessment process of the epoxy coating thickness applied on water pipes made of gray cast iron with the specifications given for this kind of coating appliance. An epoxy coating was applied to prevent a special form of corrosion called the graphitization of cast iron. In order for the pipe to withstand its designed service life, it is necessary to ensure the required thickness of the applied coating. In accordance with the EN 877 norm, the thickness of the epoxy coating on the pipes for the projected corrosiveness of the environment C4 and the durability of 20 years is at least 70 μm and this indicates the required accuracy of the product. To achieve the desired product quality, statistical control of the coating application process was carried out and the impact of uncertainty associated with the measurement result was analyzed. Considering the quality of the coating application process and the quality of the measuring system, and to ensure the quality of products and to reduce consumer risk, the optimal thickness of the coating was determined. |
| Databáze: | Directory of Open Access Journals |
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