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Title: DIFFUSION BONDING OF REFRACTORY METALS. Interim Technical Progress Report 2, September 29, 1962 through December 28, 1962

Abstract

Six concepts to actuate the diffusion bonding process were evaluated experimentally. Three of these, surface active elernents, 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 was found to be small, whereas surface active elements produce a severalfold increase in bond strength. (auth)

Authors:
;
Publication Date:
Research Org.:
Solar Aircraft Co., San Diego, Calif.
OSTI Identifier:
4630594
Report Number(s):
AD-295919; RDR-1322-2
NSA Number:
NSA-17-037487
DOE Contract Number:  
AF33(657)-8789
Resource Type:
Technical Report
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-63
Country of Publication:
United States
Language:
English
Subject:
METALS, CERAMICS, AND OTHER MATERIALS; ALLOTROPY; ATOMS; BONDING; CHEMICAL REACTIONS; COLD WORKING; DIFFUSION; ELECTRIC FIELDS; ELEMENTS; FOILS; FREQUENCY; JOINTS; MATERIALS TESTING; RECRYSTALLIZATION; REFRACTORIES; SURFACES; TENSILE PROPERTIES

Citation Formats

Metcalfe, A.G., and Lindemer, T.B. DIFFUSION BONDING OF REFRACTORY METALS. Interim Technical Progress Report 2, September 29, 1962 through December 28, 1962. United States: N. p., 1963. Web.
Metcalfe, A.G., & Lindemer, T.B. DIFFUSION BONDING OF REFRACTORY METALS. Interim Technical Progress Report 2, September 29, 1962 through December 28, 1962. United States.
Metcalfe, A.G., and Lindemer, T.B. Tue . "DIFFUSION BONDING OF REFRACTORY METALS. Interim Technical Progress Report 2, September 29, 1962 through December 28, 1962". United States.
@article{osti_4630594,
title = {DIFFUSION BONDING OF REFRACTORY METALS. Interim Technical Progress Report 2, September 29, 1962 through December 28, 1962},
author = {Metcalfe, A.G. and Lindemer, T.B.},
abstractNote = {Six concepts to actuate the diffusion bonding process were evaluated experimentally. Three of these, surface active elernents, 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 was found to be small, whereas surface active elements produce a severalfold increase in bond strength. (auth)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1963},
month = {1}
}

Technical Report:
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