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ASTM Subcommittee G01.05 on Laboratory Corrosion Tests currently has nine task groups working on the development of new standards and revisions of its existing 13 standards. Revisions to existing test methods and practices often have been overlooked, resulting in confusion regarding compliance with the standards. This paper highlights the changes that have been made in existing standards over the last ten years. Problems and misconceptions associated with existing standards such as the salt spray test are discussed.
Particular attention is paid to corrosion testing of electronic materials and modified salt spray testing. The former is the topic of a draft proposal in ISO, while standardization of the latter has been fragmented. The need for a coherent approach to standardization of salt spray tests is discussed. Round-robin data showing the interlaboratory reproducibility of the salt spray test are presented.
laboratory corrosion tests, corrosion standards, accelerated corrosion tests, salt spray test, cyclic salt spray test, electronics corrosion
Member, group technical staff, Electrochemical and Corrosion Laboratory, Mail Station 10-13, Texas Instruments Inc., Attleboro, MA