Modern materials and technologies in the production of artificial casting
https://doi.org/10.21122/1683-6065-2021-3-78-81
Abstract
The publication highlights the production of artistic castings by investment casting using combined ceramic molds. The features of the application of a refractory coating, duplex curing of ceramic shells, cutting of molds, removal of the model composition, annealing of ceramic molds, pouring and separation of the gating‑feeding system under conditions of mass production are considered. Hydrolyzed ethyl silicate (ETS) and aqueous alkaline silica sol are used as a binder. The hydrolysis is carried out with an acidic catalyst. The strength of forms on an aqueous binder before calcination (bending strength σi) is from 1.5 to 2 MPa. The presented technology allows flexible coverage of the entire range of art products. Castings weighing from 5 to 10 kg can be produced in one batch, which significantly reduces the production cycle.
About the Authors
S. S. Tkachenko
Creative Workshop “Liteyny Dvor” – Branch of the Russian Academy of Arts
Russian Federation
St. Petersburg, Russia, 1, Rasstanny proezd.
Russian Federation
St. Petersburg, Russia, 1, Rasstanny proezd.
V. O. Yemelyanov
Creative Workshop “Liteyny Dvor” – Branch of the Russian Academy of Arts
Russian Federation
St. Petersburg, Russia, 1, Rasstanny proezd.
Russian Federation
St. Petersburg, Russia, 1, Rasstanny proezd.
K. V. Martynov
Creative Workshop “Liteyny Dvor” – Branch of the Russian Academy of Arts
Russian Federation
St. Petersburg, Russia, 1, Rasstanny proezd.
Russian Federation
St. Petersburg, Russia, 1, Rasstanny proezd.
References
1. Urvachev V. P.; Kochetkov V. V.; Gorina N. B. Juvelirnoe i hudozhestvennoe lit’e po vyplavljaemym modeljam splavov medi [Jewelry and art investment casting of copper alloys]. Cheljabinsk; Metallurgija Publ.; 1991.
2. Shklennik Ja. I. Lit’e po vyplavljaemym modeljam [Lost wax casting]. Moscow; Mashinostroenie Publ.; 1984.
Review
For citations:
Tkachenko S.S., Yemelyanov V.O., Martynov K.V. Modern materials and technologies in the production of artificial casting. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2021;(3):78-81. (In Russ.) https://doi.org/10.21122/1683-6065-2021-3-78-81
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