Assessment of Impact of Nickel Additions on Tin Bronzes

• Autorzy: Kozana J. , Garbacz-Klempka A. , Piękoś M. , Czekaj J. , Perek-Nowak M.

Identyfikatory

DOI

10.24425/118811

• Języki publikacji: EN

Abstrakty

EN

High prices of tin and its limited resources, as well as several valuable properties characterising Cu-Sn alloys, cause searching for materials of similar or better properties at lower production costs. The influence of various nickel additions to CuSn10 casting bronze and to CuSn8 bronze of a decreased tin content was tested. Investigations comprised melting processes and casting of tin bronzes containing various nickel additions (up to 5%). The applied variable conditions of solidification and cooling of castings (metal and ceramic moulds) allowed to assess these alloys sensitivity in forming macro and microstructures. In order to determine the direction of changes in the analysed Cu-Sn-Ni alloys, the metallographic and strength tests were performed. In addition, the solidification character was analysed on the basis of the thermal analysis tests. The obtained results indicated the influence of nickel in the solidification and cooling ways of the analysed alloys (significantly increased temperatures of the solidification beginning along with increased nickel fractions in Cu-Sn alloys) as well as in the microstructure pattern (clearly visible grain size changes). The hardness and tensile strength values were also changed. It was found, that decreasing of the tin content in the analysed bronzes to which approximately 3% of nickel was added, was possible, while maintaining the same ultimate tensile strength (UTS) and hardness (HB) and improved plasticity (A5).

Słowa kluczowe

EN

wear resistant alloys; tin bronze; microstructure; alloy additives; Cu–Sn–Ni alloy

PL

stopy odporne na zużycie; brąz cynowy; mikrostruktura; dodatki stopowe; stop Cu-Sn-Ni

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2018
• Tom: Vol. 18, iss. 1
• Strony: 53--60
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr.

Twórcy

autor

Kozana J.

• AGH-University of Science and Technology, Faculty of Foundry Engineering, Kraków, Poland

autor

Garbacz-Klempka A.

• AGH-University of Science and Technology, Faculty of Foundry Engineering, Kraków, Poland

autor

Piękoś M.

• AGH-University of Science and Technology, Faculty of Foundry Engineering, Kraków, Poland

autor

Czekaj J.

• Foundry Research Institute, Kraków, Poland

autor

Perek-Nowak M.

• AGH-University of Science and Technology, Faculty of Non-Ferrous Metals, Kraków, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)