G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/20 (2006.01) G01N 23/18 (2006.01) G01N 27/24 (2006.01)
Patent
CA 2638024
A cementitious compound provides a brittle undercoat for making a surface- mounted crack sensor on a surface. A low percent elongation and low tensile strength of the cementitious compound have proven valuable in ensuring that cracks in the underlying surface are transmitted through the undercoat so that a trace of conductive ink or paint on the undercoat more reliably detects the crack.
L~invention concerne un composé cimentaire constituant une sous-couche cassante destinée à réaliser un capteur de craquelures sur une surface. Un faible pourcentage d~allongement et une faible résistance à la traction constituent des qualités précieuses du composé cimentaire, permettant de garantir que les craquelures de la surface sous-jacente sont transmises au travers de la sous-couche, de manière à ce qu~une trace de peinture ou d~encre conductrice sur la sous-couche détecte de manière plus fiable la craquelure.
Davis Jason E. J.
National Research Council Of Canada
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