The mechanical properties of products made from 10Х12Н10Т and 08Х18Н9 corrosion-resistant steels are studied during additive growth of powder particles by laser sintering (SLM method) and electric arc surfacing (WAAM method). It is shown that the tensile strength of products obtained by the SLM method is higher than that of rolled samples obtained by the WAAM method. Additional heat treatment of products reduces the tensile strength, but increases ductility properties, especially when manufactured using the WAAM method. An assessment of the influence of structure porosity on the mechanical properties of the metal is given. Keywords:additive growth, corrosion-resistant steels, SLM and WAAM methods, mechanical properties, heat treatment uru.40@mail.ru
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