Effect of melt temperature, cleanout cycle, continuous casting direction (horizontal/vertical) and super-cooler size on tensile strength, elongation percentage and microstructure of continuous cast copper alloys

Ehsaan-Reza Bagherian (Lead / Corresponding author), Yongchang Fan, Mervyn Cooper (Contributing member), Brian Frame (Contributing member), Amin Abdolvand (Supervisor)

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Abstract

The main processing factors that control the solidification of castings, and conse- quently, microstructure and mechanical properties, are: chemical composition, liquid metal treatment, cooling rate and temperature gradient. In this work, the influence of melt tem- perature; cleanout cycle, continuous casting direction (horizontal / vertical) and super-cooler size on tensile strength and elongation percentage of continuous cast copper alloys has been characterized by tensile machine and confirmed by microstructure examination. A significant difference on tensile strength and elongation percentage has been observed by changing the processing parameters. By optimizing these parameters, the mechanical prop- erties of continuous copper alloys can be substantially improved. As a particular example, super cooler size could improve the elongation of samples from 38% to 45% or cleanout cycle could improve the tensile strength of samples from 532 MPa to 561 MPa.
Original languageEnglish
Article number502
Number of pages16
JournalMetallurgical Research and Technology
Volume113
Issue number5
Early online date27 Jun 2016
DOIs
Publication statusPublished - 2016

Keywords

  • Continuous casting
  • copper alloys
  • solidification
  • tensile test
  • metallography

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