FIELD: measurement technology.
SUBSTANCE: invention relates to solid materials strength properties determination and can be used for determination of the true resistivity of abruption. Test material is loaded by means of an indentor with a diameter D with a load P in the range corresponding to the measurement of hardness, the dimensions of imprint are measured and the true resistivity of abruption is determined, while a spherical indenter is used. Measure the residual h and elastic αy at parts of complete convergence of the spherical indenter with the surface of the test material, which determine the curvature radius of the surface of the imprint of the spherical indenter under load, taking into account which determine the true pressure q under load on the surface of the imprint, which determine the true resistivity to abruption.
EFFECT: possibility of determining the true resistivity to the abruption without crushing the material parts.
1 cl, 3 tbl
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