METHOD OF DETERMINING DYNAMIC STRENGTH OF BRITTLE MATERIALS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to study u043fu0440u043eu0447u043du043eu0441u0442u043du044bu0445 properties of fragile materials. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 increased informativeness. u0434u043bu00a0 during install sample in the form of a flat plate at an u043fu0440u043eu0442u0438u0440u0430u044eu0442 its and surfaces of the anvils by means of technical oils and are u0443u0434u0430u0440u043du043eu043cu0443 u043du0430u0433u0440u0443u0436u0435u043du0438u044e to the ball. impact energy directors of u0443u0441u043bu043eu0432u0438u00a0 u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 conical cracks in the sample.as the size of the surface area of the u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 conical cracks. further u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 u0443u0441u0438u043bu0438u00a0 value on the contact ball with the model, and the dynamic strength evaluate the relative values u0443u0441u0438u043bu0438u00a0 and surface cracks s.u043eu043fu0440u0435u0434u0435u043bu00a0u0435u043cu0430u00a0 by means of the proposed method u0438u043du0442u0435u0433u0440u0430u043bu044cu043du0430u00a0 characteristic u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 material brittle fracture u00a0u0432u043bu00a0u0435u0442u0441u00a0 more informative, as takes into account not only the size of the zone u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0, but the loading and shock loads. with with