scratch hardness test

scratch hardness test

[′skrach ¦härd·nəs ‚test]
(metallurgy)
A hardness test in which a cutting point under given pressure is drawn across the surface of a metal, and the width of the scratch is measured.
(mineralogy)
A determination of the resistance of a mineral to scratching by testing it with minerals on the Mohs scale.
References in periodicals archive ?
However, a tangential force is applied in the presence of a normal load for scratch hardness test.
These include the water drop test, examination of florescent dye epoxy-impregnated concrete samples, the scratch hardness test, and related visual characteristics.