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Round-robin evaluation of ISO 20340 annex a test method

 
: Lebozec, N.; Bougon, L.; Carter, J.; Scholz, T.; Knudsen, O.O.; Flogard, A.

Corrosion Conference and Expo 2016 : Vancouver, Canada, 6-10 March 2016
Red Hook, NY: Curran, 2016
ISBN: 978-1-5108-2135-4
S.53-64 (Vol.1)
Corrosion Conference and Expo <2016, Vancouver>
Englisch
Konferenzbeitrag
Fraunhofer IFAM ()

Abstract
Among available standardized test methods for evaluating the performance of marine and offshore coatings, ISO 20340 Annex A is widely used.1 It is well known that tests performed on presumably identical materials in presumably similar circumstances do not in general yield to identical results. Such deviation is attributed to unavoidable random errors inherent in every test procedure and the fact that the parameters that may influence the outcome of a test cannot all be completely controlled. One consequence of such deviation is that different coating selection may be obtained upon where and how the test is performed, as ISO 20340 Annex A includes acceptance criteria for the selection of coating systems. Thus, to establish the precision of ISO 20340 Annex A, six laboratories participated in a round-robin evaluation of ISO 20340 Annex A test method for the first time.

: http://publica.fraunhofer.de/dokumente/N-422591.html