Electrodeposition of Refractory Carbide Coatings.

Abstract

A novel method for electrodepositing refractory carbide coatings from molten salts is described. It consists of the simultaneous reduction of the appropriate metal species dissolved in the ternary LiF-NaF-KF eutectic and carbonate dissolved in the same melt. The metal and carbon deposit on the cathode where they react to form the carbide. The coatings are hard, abrasion resistant, and resist oxidation in air to 500 C. Carbides of tantalum and tungsten have been plated so far, and the method is applicable to other carbides as well.

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Document Details

Document Type
Technical Report
Publication Date
Dec 30, 1982
Accession Number
ADA123868

Entities

People

  • K. H. Stern

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Alkali Metals
  • Chemical Reactions
  • Coatings
  • Electrodeposition
  • Materials
  • Mechanical Properties
  • Metals
  • Oxidation
  • Oxidation Resistance
  • Plating
  • Refractory Metals
  • Resistance
  • Tantalum
  • Tantalum Carbides
  • Tungsten
  • Tungsten Carbides
  • Wear Resistance

Readers

  • Surface Engineering/Surface Coating Technology.