2-3 Adhesion of Metals in High Vacuum

M. Hordon

doi:10.1520/STP45160S

SYMPOSIA PAPER Published: 01 May 1967

STP45160S

2-3 Adhesion of Metals in High Vacuum

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The adhesion or cold welding behavior of a variety of metals and alloys was investigated in the temperature interval 20°–150°C in which diffusion enhanced bonding generally was negligible. The tests were performed at vacuum levels below 1 × 10⁻⁸ torr to ensure that surface oxides, disrupted or removed by vibratory abrasion, would not readsorb monolayer films within the surface exposure time. The efficiency or effectiveness of metallic contact adhesion, determined as the ratio of the interfacial rupture stress S_r to the compressive yield strength, S_y was related to physical properties including plastic deformation rate, yield strength and lattice structure.

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Hordon, M., J.

National Research Corporation

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Details

Developed by Committee: C24

Pages: 7–8

DOI: 10.1520/STP45160S

ISBN-EB: 978-0-8031-6028-6

ISBN-13: 978-0-8031-6182-5

2-3 Adhesion of Metals in High Vacuum

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