NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
A theory of adhesion at a bimetallic interface - Overlap effects.A preliminary calculation of the chemical bonding adhesive interaction between metal surfaces is provided. In this first theory the Hohenberg and Kohn formalism is used to give the bimetallic adhesive binding energy versus separation. The close-packed planes of Al, Mg, and Zn are considered. The effect of simple overlap of the metal-vacuum distributions is determined. The importance of registry between contact surfaces is ascertained. A minimum in the binding energy curve is exhibited for all combinations. The theoretical predictions agree with trends in bond strengths taken from available experimental data. An insight into the mechanisms involved in metallic transfer is given. The relationship between adhesive energies, cohesive energies, and surface energies is discussed.
Document ID
19730052230
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Ferrante, J.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Smith, J. R.
(California, University La Jolla, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
July 1, 1973
Publication Information
Publication: Surface Science
Volume: 38
Issue: 1, Ju
Subject Category
Chemistry
Accession Number
73A37032
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available