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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.

Topienie brązów krzemowych w warunkach redukujacych

Bydałek A. W., Najman K.

Archiwum Odlewnictwa

2006

R. 6, nr 22

107-110

W artykule przedstawiono wyniki analiz i badań odnoszących się do warunków topienia brązu krzemowego. Wykazano konieczność prowadzenia wytopów z ukierunkowaniem na odtlenienie i ze wskazaniem na eliminację oddziaływania węgla w otoczeniu ciekłego metalu.

In the work the analysis of carbon influence in the diffusive refining conditions of Cu-Si alloys was has carried out. The refining process in described reducing conditions on similarity to the ferrous metal processes melting were showed.