DISK SPECIMEN WITH CENTRAL CUT FOR DETERMINING FRACTURE VISCOSITY OF MATERIALS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to test technology and can be used u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u0432u00a0u0437u043au043eu0441u0442u0438 u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 materials. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u0432u00a0u0437u043au043eu0441u0442u0438 u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 u0432u044bu0441u043eu043au043eu0442u0432u0435u0440u0434u044bu0445 u0432u044bu0441u043eu043au043eu043cu043eu0434u0443u043bu044cu043du044bu0445 alloys and u043fu043eu043bu0438u043au0440u0438u0441u0442u0430u043bu043bu043eu0432 based on diamond and cubic bat reed bora.use the disk model with cross cutting central incision, which is opposite u043au0440u0430u00a0 implemented u0448u0435u0432u0440u043eu043du043du044bu043cu0438 with forming the diameter of which is equal to 0.5 - 2.1 dia foot model. the depth of the incision u0432u044bu043fu043eu043bu043du00a0u044eu0442 equal 0.6 - 0.8, the thickness of the sample. 2).