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Design, Development, and Applications of Novel Techniques for Studying Surface Mechanical Properties

Published online by Cambridge University Press:  22 February 2011

Kazuhisa Miyoshi*
Affiliation:
NASA Lewis Research Center, Cleveland, OH 44135
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Abstract

This paper reviews the author's research of the adhesion, friction, and micromechanical properties of materials and presents examples of the results. The ceramic and metallic materials studied include silicon carbide, aluminum oxide, and iron-base amorphous alloys. The design and operation of a torsion balance adapted for study of adhesion from the Cavendish balance are discussed first. The pull-off force (adhesion) and shear force (friction) required to break the interfacial junctions between contacting surfaces of the materials were examined at various temperatures in a vacuum. The surface chemistry of the materials was analyzed by x-ray photoelectron spectroscopy. Properties and environmental conditions of the surface regions which affect adhesion and friction - such as surface segregation, composition, crystal structure, surface chemistry, and temperature were also studied.

Type
Research Article
Copyright
Copyright © Materials Research Society 1989

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