DEVELOPMENT OF A FINISHING SYSTEM FOR LIGHTWEIGHT METALS

Abstract

Test results indicated that 301-275-E siliconeepoxy copolymer primer is the preferred primer. 301-103-A silicone-epoxy ester primer is not as highly recommended. The following olive drab topcoats, listed in order of preference, are the best that were developed: 301-284-D silicone polyurethane; 301-270-C epoxy ester; 301-264-B silicone phenolic; 301-278-C silicone-epoxy copolymer; and 301-278-E silicone-epoxy copolymer. Although no completely satisfactory white topcoat has been developed, the following are superior to others tested: 301-360-F epoxy ester; and 301-368-F silicone polyurethane. It is believed that galvanic corrosion resistance is directly related to panel preparation. If coupled panels are properly protected around the lapped areas by the unthinned coating of primer, all the coating systems are satisfactory. If, however, no special precautions are taken, no coating will protect the magnesium from early failure.

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Document Details

Document Type
Technical Report
Publication Date
Apr 17, 1963
Accession Number
AD0426293

Entities

People

  • Harold M. Blaim
  • James M. Williard
  • Milton A. Glaser
  • Richard W. Clope

Tags

Communities of Interest

  • Human Systems
  • Weapons Technologies

DTIC Thesaurus Topics

  • Alkenes
  • Aromatic Hydrocarbons
  • Biomedical And Dental Materials
  • Compound Semiconductors
  • Corrosion Resistance
  • Cyclic Hydrocarbons
  • Fluorinated Hydrocarbons
  • Galvanic Corrosion
  • High Temperature
  • Hydrocarbons
  • Hydroxides
  • Material Degradation Processes
  • Materials
  • Materials Laboratories
  • Plastic Explosives
  • Polyvinyls
  • Resins

Readers

  • Materials Science and Engineering.
  • Polymer Science and Technology
  • Reinforced Composite Materials

Technology Areas

  • Microelectronics