G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 3/46 (2006.01) G01N 3/02 (2006.01) G01N 3/06 (2006.01)
Patent
CA 2321797
This invention concerns a test apparatus and procedure used for quantitative and qualitative characterization of scratch and mar behavior of films or coatings, more particularly automotive coatings. The apparatus includes a micro-indentor that penetrates and scratches the coating to be characterized together with interrelated components for measuring the force applied, the length and depth of the identor penetration, the geometry of the disturbed coating surface as well as means for measuring, analyzing and comparing test results.
La présente invention concerne un dispositif de test et une procédure permettant de faire une analyse quantitative et qualitative du comportement à l'arrachement et aux éraflures de films ou de revêtements, plus particulièrement dans le cas des revêtements pour l'industrie automobile. L'appareil comporte un micro-pénétrateur qui pénètre dans le revêtement à analyser et le déchire. A ce pénétrateur sont associés des éléments permettant de mesurer la force appliquée, la longueur et la profondeur de la pénétration du pénétrateur, la géométrie de la surface de revêtement perturbée, ainsi que des organes permettant de mesurer, d'analyser et de comparer les résultats des tests.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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