Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1988-05-09
1989-04-11
Tokar, Michael J.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73150A, 118 73, G01N 320, B05L 1100
Patent
active
048194891
ABSTRACT:
A device for testing the adherence of a coating to a material includes a cone section and roller for bending the material around the cone section. The bent piece has a sharp bend at one end and a gradual bend at the other end. The proximity to the sharp bend at which flaking of the coating from the substrate occurs is a measure of the adherence of the coating to the material.
REFERENCES:
patent: 2528918 (1950-11-01), Stanius
patent: 3968280 (1976-07-01), Poppe et al.
patent: 4539286 (1985-09-01), Lipson et al.
Green, Sr. Gilbert L.
McCoy Randall E.
Nelson Jordan R.
Williams Richard
Hallacher L. L.
Irlbeck D. H.
Raevis Robert R.
RCA Licensing Corp.
Tokar Michael J.
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