The Formation of Refractory Metal Alloys by Simultaneous Deposition of Metals from the Gaseous Phase

Abstract

Chemical vapor deposition investigations were undertaken to determine the feasibility of coating refractory metals and alloys onto the inside bores of gun barrels. Coatings of tungsten, molybdenum, vanadium, rhenium, and tantalum as well as tungsten alloys were attempted. Process parameters, compositions, and properties of the coatings were determined. Elemental tungsten depositions were initially used to establish the process parameters for subsequent work on tungsten alloy coatings. Ta-10W alloy was plated successfully on the steel substrate at 750 C and 1 atmosphere pressure. The coatings obtained were uniform and adherent. Properties of the alloy coating, Ta-10W, are such that this coating is especially applicable for a high temperature coating for fun barrels. (Author)

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1974
Accession Number
ADA018130

Entities

People

  • Andrew Crowson

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Chemical Reactions
  • Chemical Vapor Deposition
  • Coatings
  • Gun Barrels
  • High Temperature
  • Materials
  • Materials Processing
  • Mechanical Properties
  • Mechanics
  • Melting Point
  • Molybdenum
  • New York
  • Refractory Metal Alloys
  • Refractory Metals
  • Tantalum
  • Tungsten Alloys
  • Vapor Deposition

Fields of Study

  • Materials science

Readers

  • Surface Engineering/Surface Coating Technology.
  • Thin Film Deposition Science.