CAVITATION DAMAGE RESISTANCE AND ADHESION OF POLYMERIC OVERLAY MATERIALS

This study is concerned with the general problem of cavitation erosion; in particular, with coatings which can provide protection of marine and other structures against cavitation erosion and which can remain adhered when exposed to severe hydrodynamic environments. Cavitation erosion studies were conducted on 25 coatings, comprising both neoprene and polyurethane formulations; the Naval Applied Science Laboratory (NASL) magnetostriction apparatus was used as the principal test device. The most erosion resistant of the coatings tests were found to be polyurethane formations. Adhesion tests on the more erosion resistant coatings showed no effect of cavitation exposure on strength of adhesion. Comparison of magnetostriction data with data obtained on the NASL rotating disk apparatus showed that cavitation intensity of the magnetostriction test (Under presently maintained operational parameters) exceeded the most severe intensity developed by the rotating disk apparatus.

• Supplemental Notes:
  • Special Technical Publication, Characterization and Determination of Erosion Resistance.
• Corporate Authors:

  American Society for Testing and Materials (ASTM)

  100 Barr Harbor Drive, P.O. Box C700
  West Conshohocken, PA  United States  19428-2957
• Authors:
  • Lichtman, J Z
• Publication Date: 1970-10

Media Info

• Features: References;
• Pagination: p. 422-434

Subject/Index Terms

• TRT Terms: Cavitation erosion; Coatings; Erosion; Polyurethane resins
• Old TRIS Terms: Coating performance; Erosion damage; Polyurethane coatings
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00019236
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: Spec Tech Publ 474
• Files: TRIS
• Created Date: Nov 8 1971 12:00AM