Round-Robin Evaluation of a New Standard Laboratory Test for Cosmetic Corrosion

Paper #:
  • 970734

Published:
  • 1997-02-24
Citation:
Townsend, H. and McCune, D., "Round-Robin Evaluation of a New Standard Laboratory Test for Cosmetic Corrosion," SAE Technical Paper 970734, 1997, https://doi.org/10.4271/970734.
Pages:
18
Abstract:
A new, standard laboratory test (SAE J 2334) for evaluation of the cosmetic corrosion resistance of autobody steel sheet has been developed through the joint efforts of SAE's Automotive Corrosion Prevention Committee (SAE/ACAP) and the Auto/Steel Partnership's (A/SP) Corrosion Task Force. Results from this test give an excellent correlation with those of on-vehicle tests conducted in Montreal, Quebec, and St. John's, Newfoundland. To establish the precision of the new test, nine laboratories participated in a round-robin evaluation. Each laboratory tested ten standard, painted automotive steel sheet products. The results of this work are analyzed in terms of within-lab repeatability and lab-to-lab reproducibility, and they are an important and final milestone in the development and specification of the new test
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