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An innovative approach to fabrication with photo-cured resins by shell-printed-core-casting

Szymczyk Emil, Rećko Maciej, Dzierżek Kazimierz, Sapiołko Karol

Acta Mechanica et Automatica

2023

Vol. 17, no. 4

485--489

Modified LCD-based method was used to print three-dimensional (3D) elements. This innovative method combines printing the external shell and filling, thus obtaining mould by casting resin. In order to compare the properties of prints obtained with this method with the ones fabricated in a standard procedure, we conducted bending tests of vertically/horizontally printed and shell-printed cast specimens. The shell-cast samples showed higher flexural strength and larger values of apparent Young’s modulus. The presented results also concern the kinetics of curing samples obtained with different fabrication routes.