DIFFUSION BONDING OF REFRACTORY METALS

Abstract

Six concepts to actuate the diffusion bonding process were evaluated experimentally. Three of these - surface active elements, recrystallization of cold worked metal, and allotropic transformations - promote bonding. Small atom diffusion aids, acceleration of diffusion by a high frequency field, and bonding under subsolidus conditions are ineffective or inapplicable to refractory metal bonding. The magnitude of improvement of joints with intermediate foils that recrystallize or undergo allotropic transformation has been found to be small, whereas surface active elements produce a severalfold increase in bond strength.

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Document Details

Document Type
Technical Report
Publication Date
Jan 02, 1963
Accession Number
AD0295919

Entities

People

  • A.g. Metcalfe
  • T.b. Lindemer

Tags

Communities of Interest

  • Air Platforms
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Bonding
  • Chemistry
  • Construction
  • Fabrication
  • Government Procurement
  • Governments
  • Honeycomb Structures
  • Joints
  • Literature Surveys
  • Manufacturing
  • Materials
  • Mechanical Working
  • Mechanics
  • Refractory Metals
  • Sheet Metal
  • Tensile Strength

Readers

  • Acoustical Oceanography.
  • Mathematics or Statistics
  • Powder metallurgy of Titanium alloys.