Development of Heat Exchangers with Non-Chromate High Corrosion Resistance Treatment

Paper #:
  • 2000-01-0572

Published:
  • 2000-03-06
Citation:
Yamazaki, E., Uehara, T., and Yoshida, C., "Development of Heat Exchangers with Non-Chromate High Corrosion Resistance Treatment," SAE Technical Paper 2000-01-0572, 2000, https://doi.org/10.4271/2000-01-0572.
Pages:
11
Abstract:
Aluminum alloy heat exchangers use chromium (VI) compound for their surface treatment to prevent white rust. The use of chromium (VI) compound is restricted and will be banned worldwide in view of environmental concerns. Therefore, we need a timely change to the non-chromate type treatment. Considering this trend, we have developed and released non-chromate type heat exchangers. In addition to high corrosion resistance, these heat exchangers feature a good hydrophilic ability, antibacterial activity, and smell preventing property.With simultaneous development activities at the development and design divisions, as well as making good use of the quality function deployment (QFD) method into the total process from design work to production we have completed the project in a short time.
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