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2. The contribution of different analysis techniques to expert appraisals
2.1 In situ analysis
It is not always possible to take the samples that will then be subjected to the analyses specified in the survey protocol, and it may also be useful to select the relevant area on site to sample for subsequent investigations.
Non-destructive testing techniques are mainly used, in the field of expert assessment, to characterize defects and identify the damaged area, e.g. an area with cracks. The table 2 provides an overview. COFREND (Confédération française pour les essais non destructifs) is the organization responsible for managing the national certification system for operators carrying out these tests.
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The contribution of different analysis techniques to expert appraisals
Examples of corrosion damage analysis
Bibliography
Standards and norms
- Quality in expertise – General competence requirements for expert appraisals - NF X50-110 - 2003
- Metallic materials – Tensile test. Part 1: Room temperature test method - NF EN ISO 6892-1 - 2019
- Destructive testing of welds on metallic materials – Transverse tensile test - NF EN ISO 4136 - 2013
- Destructive testing of welds on metallic materials – Longitudinal tensile test of molten metal in fusion-welded...
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Organizations – Federations – Associations (non-exhaustive list)
CEFRACOR, French Anticorrosion Centre :
COFREND, French Confederation for Non-Destructive Testing:
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