SEDL / STP / STP1463-EB / STP11660S

Advanced Methods of Coating Adhesion Testing

Gitis, NV
President, Center for Tribology, Inc., Campbell, CA

Xiao, J
Applications Manager, Center for Tribology, Inc., Campbell, CA

Vinogradov, M
Engineering Manager, Center for Tribology, Inc., Campbell, CA

Pages: 5    Published: Jan 2005

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Abstract

Adhesion of coatings from 1 nm to 0.1 mm was successfully evaluated with multi-sensing technology, based on simultaneous high-resolution force, electrical, and acoustic measurements. Sharp changes in the signals were indicative of the thresholds of adhesion and delamination for various thin and thick coatings during scratching and indenting with several test tools. both sharp (diamond tips) and dull (balls).