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Influence of Modification in Centrifugal Casting on Microstructure and Mechanical Properties of Silicon Bronzes

Garbacz-Klempka A., Kozana J., Piękoś M., Papaj P., Papaj P., Perek-Nowak M.

Archives of Foundry Engineering

2018

Vol. 18, iss. 3

11--18

Silicon bronzes are characterised by good mechanical properties and by high corrosion and mechanical wear resistance. The process of sleeve casting by means of the centrifugal casting with the horizontal axis of the mould rotation was analysed. The assessment of the influence of modification and centrifugal casting parameters on the microstructure and mechanical properties of alloys was carried out in the hereby work. Zirconium was applied as a modifier. Speed of rotation of the mould was the variable parameter of the centrifugal casting. The investigation results were summarised on the basis of the microstructure analysis and mechanical properties determination: UTS, proof stress, A10 and BHN. The experiment aimed at finding the information in which way the modification together with changing the pouring parameters influence the mechanical properties of the CuSi3Zn3FeMn alloy.