Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS


CREVCORR Berichtzusammenfassung

Project ID: G5RD-CT-2000-00139
Gefördert unter: FP5-GROWTH
Land: Netherlands

Report on calibration of the participating laboratories

The report describes the results of an intercomparison test of the laboratories participating in the Crevcorr-project. The Critical Crevice Temperature (CCT) of the 2205 duplex and the 254SMO super austenitic stainless steel was determined by several laboratories according to a well defined procedure. Rectungal coupons were equipped with multi-crevice-washers and exposed in a ferric chloride solution at three different temperatures, after which the resulting attack was noted. Amongst the possible criteria, it would appear that a maximum depth of attack equalling or exceeding 25 µm allows a relatively accurate determination of CCT, even though significant scatter exists between individual depth results from different laboratories and in some cases between duplicate tests.


Sytze HUIZINGA, (Senior Corrosion Engineer)
Tel.: +31-20-6302449
Fax: +31-20-6302989
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