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Processing high conductivity materials

Teacher Piotr Osuch


Copper and its alloys as the second (following silver) most electrical conductive metal, due to significantly lower cost is the preferred choice for applications demanding high electrical conductivity. Copper is basic material in variety of high conductivity products including: power transmission cables, communication cables, bus bars, electrical machinery, electrical contacts and connectors as well as a conductive material in a wide range of electronic components. In order to fulfill high electrical proprieties requirements for these applications, copper processing technologies are designed in a more advanced manner than in the case of copper-based construction materials. Basic requirements for copper products intended for electrical purposes include increased chemical purity and tailored microstructure, which have a direct impact on copper electrical properties. On the other hand the design of processing route should provide minimum production costs and number of technological steps.

In this webinar particular stages of copper processing will be discussed, what is included in the following presentation scope:

  1. Introduction - analysis of the topic, presentation agenda
  2. Importance of electrorefining process and resulting chemical purity of copper cathode in material selection for high conductivity applications
  3. Processing technologies from copper cathodes to semi-finished products for electrical applications and its role in copper market.
  4. Comparison of two most common processing technologies for producing high conductivity copper wire rod (continuous casting and rolling vs. continuous casting). Influence of processing technology on chemical purity, microstructure, mechanical and electrical properties
  5. Wrought processing of semi-finished products for electrical applications: drawing, rolling, extrusion, stamping, forging. Characterization of the processes: schemes, metallurgical background of particular processes, technological parameters and typical technological issues etc.
  6. Critical factors of wrought processing for high conductivity copper products.
  7. Conclusions and summary.


Completion of this course leads to a badge of accomplishment issued by the Copper Academy. Course participants need to complete following activities: 

view the course lecture,

review the presentation slides,

complete the feedback survey

Duration (hours)