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The paper discusses the effect of hydro abrasive treatment on the inner surface of products obtained by selective laser melting (SLM). The hydro abrasive treatment effect on the faceting of these products has been investigated, the process simulated in ANSYS, and an area defined in which cavitation bubbles have occurred. The abrasive grain of black silicon carbide has been used as a filler; cylindrical samples printed of VT6 titanium alloy (an analog of Ti6Al4V) have been processed.

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