Refining processes in the copper casting technology

Other literature type, Article English OPEN
Rzadkosz, S. ; Kranc, M. ; Garbacz-Klempka, A. ; Kozana, J. ; Piękoś, M. (2015)
  • Publisher: Croatian Metallurgical Society (CMS)
  • Journal: Metalurgija, volume 54, issue 1 (issn: 0543-5846, eissn: 1334-2576)
  • Subject: microstructure | refining alloy | Mining engineering. Metallurgy | copper | properties | TN1-997 | copper; casting technology; refining alloy; microstructure; properties | casting technology

The paper presents the analysis of technology of copper and alloyed copper destined for power engineering casts. The casts quality was assessed based on microstructure, chemical content analysis and strength properties tests. Characteristic deoxidising (Logas, Cup) and modifying (ODM2, Kupmod2) formulas were used for the copper where high electrical conductivity was required. Chosen examples of alloyed copper with varied Cr and Zr content were studied, and the optimal heat treatment parameters were tested for a chosen chromium copper content, based on the criterion of hardness and electrical conductivity tests. Searching for materials with high wear resistance, the influence of variable silicone content on the properties of CuNiSi alloy was researched.
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