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The influence of Cerafiber 10 ceramic fibre on strength properties of moulding material for investment casting technology

Nadolski M., Konopka Z., Łągiewka M., Zyska A., Chojnacki A.

Archives of Foundry Engineering

2009

Vol. 9, iss. 4

165-168

The presented investigations have been aimed to determine strength properties of shell ceramic moulds produced on the basis of silica sol with the matrix composed of MK75 silica flour and Cerafiber 10 aluminosilicate ceramic fibre, the chemical composition of the latter being 56% SiO2 and 44% Al2O3. The sample material has been obtained by multi-layer spraying of ceramic slurry onto the pattern sets. The achieved results, concerning strength properties revealed during the controlled bending test performed by means of the four-point deflectometer, have been compared with the presented elsewhere results [16-19] for moulding material with grain or grain-fibre matrix, where TC E08 fibre produced by Thermal Ceramics (i.e. Kaowool HP-50-E-08 fibre) has been applied as a matrix component.