A Rapid Screening Test to Assess Relative Corrosion Performance of Automotive Condensers

Paper #:
  • 2017-01-0174

Published:
  • 2017-03-28
Abstract:
A simple, fast, and inexpensive screening corrosion test has been developed that will supplement the currently utilized SWAAT test (ASTM G85) to evaluate relative corrosion performance of condensers from various suppliers and using differing material combinations and manufacturing processes including CAB brazed Silfluxed tube, zinc sprayed tube, and bare folded tube. The SWAAT test is utilized with no failure in 21 days as the “PASS” criterion. Most condensers tend to “pass” this test which makes it difficult to compare corrosion performance of the condensers supplied by various manufacturers. This paper will present the development of test parameters and the initial results. The test replicates the mode of attack observed in SWAAT as well as field returned units.
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