• AWWA ACE61643
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AWWA ACE61643

  • Protecting Equipment from Chemical and Corrosion Attack, and Cavitation Erosion, with Polyamide-11 Powder Coatings
  • Conference Proceeding by American Water Works Association, 06/17/2005
  • Publisher: AWWA

$12.00$24.00


Cavitation erosion is a major mode of failure of coatings and metals in water industryapplications. Using ASTM Method G-32-98 (Cavitation Erosion Using Vibratory Apparatus),the present research shows that thermoplastic powder coatings based on polyamide-11 (Rilsan® Fine Powder) have exceptional resistance to cavitation erosion, substantially better than othercoatings such as epoxies, used in water industry applications. In fact, polyamide-11 coatingsperform better than metals, including stainless steel. Gravimetric and optical data for a variety ofcoatings and metals are discussed. Moreover, analyses show that in addition to a mechanicalcomponent, there is a chemical component to cavitation erosion. Includes 5 references, tables, figures.

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