METHOD OF 3D PRINTING ON REFRACTORY ARTICLES Russian patent published in 2014 - IPC B22F7/00 B22F3/00 B29C67/00 B32B18/00 

Abstract RU 2535704 C1

FIELD: process engineering.

SUBSTANCE: proposed method comprises making the 3D model of article, its division to plies in cross-section, application of powder, application of model cross-section pattern on powder by liquid binder, ply-by-ply solidification of powder in 3D model unless cycle completion. Powder consists of the mix of fine and granular heat-resistant materials. Mixing is performed in mixing runners to homogeneous bulk. Said liquid binder represents the solutions of magnesium salts and/or organic binder and/or hydraulic binder. Obtained article is cured for at least 2 hours and, then, dried. Carbon component, a plasticiser, can be added to said powder. Produced article can be heat treated at, at least 180°C.

EFFECT: complex shape refractory articles with isotropic properties.

4 cl, 1 dwg, 2 tbl, 15 ex

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RU 2 535 704 C1

Authors

Aksel'Rod Lev Moiseevich

Turchin Maksim Jur'Evich

Minnikhanov Igor' Nailevich

Dates

2014-12-20Published

2013-04-18Filed