Accession Number:

AD0868865

Title:

Research on Dynamic Response and Adhesion Failures of Rain Erosion Resistant Coatings.

Descriptive Note:

Final summary rept.,

Corporate Author:

HYDRONAUTICS INC LAUREL MD

Personal Author(s):

Report Date:

1969-01-01

Pagination or Media Count:

24.0

Abstract:

The first phase of a program of experimental and analytical research on thebehavior of rain erosion resistant coatings is reported. The objectives were todevelop a Split Hopkinson Pressure Bar facility, and to develop the necessarytechniques for measuring the dynamic response of coating materials. Thedynamic testing facility which has been developed is capable of obtainingstress-strain curves under compressive loadings up to a strain rate of ten to thefourth power ininsec., and up to 500 F. Impact tests have provided preliminarydynamic stress-strain curves for the following materials 1100-0 aluminum,MIL-C-7439 Neoprene, Hill AFB Polyurethane, AMD Polyurethane Type G-6, and anacrylic plastic. The contrasting dynamic properties observed for these materialsclearly indicate their relative capabilities to resist rain erosion and inhibitadhesion failures. Author, modified-PL

Subject Categories:

  • Coatings, Colorants and Finishes

Distribution Statement:

APPROVED FOR PUBLIC RELEASE