SPECIMEN FOR STUDYING BEHAVIOR OF CRACK IN METAL OF WELDED JOINT IN MULTIPLE-PASS WELDING

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 u043fu0440u043eu0447u043du043eu0441u0442u043du044bu0445 to study material properties, namely to assess the durability of metal joint of welded u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 big thickness to education x u043eu043bu043eu0434u043du044bu0445 transverse cracks and their u0440u0430u0437u0432u0438u0442u0438u00a0 in the u043cu043du043eu0433u043eu043fu0440u043eu0445u043eu0434u043du043eu0439 welding. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - enhancing technological capacity.the sample consists of two lateral slats (1) and a deformable element (2), which is u043du0430u043fu0440u00a0u0436u0435u043du0438u0439 concentrator in the form of joint plates. the plates in the place of interface are curvature 4. curvature of the plates facilitates the u0443u0441u043bu043eu0432u0438u00a0 u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 cracks and attached to the nature of the fragile u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0. the deformable elements are fastened with the side u043fu043bu0430u043du043au0430u043cu0438, u043fu0440u0438u0445u0432u0430u0447u0435u043du043du044bu043cu0438 u0441u0432u0430u0440u043du044bu043cu0438 seams 3.in this u043fu0440u0438u0445u0432u0430u0442u043eu0447u043du044bu0435 seams are located from the place of interface on the u0440u0430u0441u0441u0442u043eu00a0u043du0438u0438 equal to 1 / 4 and 3 / 4 the length of the plates. this location of u043fu0440u0438u0445u0432u0430u0442u043eu0447u043du044bu0445 stitches u043fu043eu0437u0432u043eu043bu00a0u0435u0442 sample in each case to ensure the maximum possible time temperature deformation of the plates is sufficient (e u0434u043bu00a0 u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 cracks in the analysis u043du0430u043fu043bu0430u0432u043bu0435u043du043du043eu043c metal. 6 u0438u043b., 1 table.