Chemical Composition Stability of Cu–Sn and Cu–Zn Journal BeChemical Composition Stability of Cu–Sn and Cu–Zn Alloys Fabricated by Sand and Permanent Mold Casting with Nickel Alloying

Authors

• Erwin Erwin, Darma Persada University, Jakarta Timur, IndonesiaFollow
• Didik Sugiyanto, Darma Persada University, Jakarta Timur, IndonesiaFollow
• Juan Pratama, Darma Persada University, Jakarta Timur, IndonesiaFollow
• Trisna Ardi Wiradinata, Darma Persada University, Jakarta Timur, IndonesiaFollow
• Abdul Rachmadhan, Darma Persada University, Jakarta Timur, IndonesiaFollow
• Muhammad Fikri Andika, Darma Persada University, Jakarta Timur, IndonesiaFollow

Abstract

The processes of moulding and reinforcing chemical elements have a big impact on the balance of chemical composition in copper-based bearing alloys. This has a direct impact on how well the material works. This study examines Cu–Sn alloys produced via sand casting and Cu–Zn alloys fabricated through permanent mould casting, with the incorporation of nickel, which remains uncommon. The objective was to examine the variations in the equilibrium of the chemical composition and the performance potential of the bearing alloy metal when subjected to different casting techniques and nickel concentrations ranging from 0% to 4%. Some of the methods used are experimental casting, checking the chemical makeup, checking for weight loss and slag formation, and statistical regression analysis to see how different things are related. The decrease in slag deposition in CuZn occurred in nickel mining by 1-3% with a range of between 19-30%, but for the addition of 4%Ni, the amount of CuZnNi4% slag was 40% less when compared to CuSnNi4%. The increased compositional stability showed a strong correlation in CuSnNi alloys with R² values = 0.769, when compared with CuZnNi with R² values = 0.2988. The study's results show that adding nickel makes the elements in the copper matrix more stable and may make them more resistant to wear, even though it lowers the amount of Sn and Pb, which are natural lubricants. These results are useful for making copper-containing materials better by changing how they are cast and the composition of the alloys.

Publisher

State University of Malang (UM)

First Page

163

Last Page

179

Recommended Citation

Erwin, E., Sugiyanto, D., Pratama, J., Wiradinata, T. A., Rachmadhan, A., & Andika, M. F. (2026). Chemical Composition Stability of Cu–Sn and Cu–Zn Journal BeChemical Composition Stability of Cu–Sn and Cu–Zn Alloys Fabricated by Sand and Permanent Mold Casting with Nickel Alloying. Journal of Mechanical Engineering Science and Technology (JMEST), 10(1), 163-179.
Available at: https://citeus.um.ac.id/jmest/vol10/iss1/12