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Influence of thermomechanical treatment on microstructure and properties of electroslag remelted Cu–Cr–Zr alloy

Authors
Journal
Materials & Design (1980-2015)
0261-3069
Publisher
Elsevier
Volume
51
Identifiers
DOI: 10.1016/j.matdes.2013.04.062
Keywords
  • Thermomechanical Treatment
  • Hardness
  • Tensile Strength
  • Electrical Conductivity
  • Copper Alloys
  • Electroslag Remelting

Abstract

Abstract Effect of thermomechanical treatment (TMT) on aging behavior of electroslag remelted Cu–Cr–Zr alloy was investigated. The relationship between microstructure, mechanical and electrical properties was clarified using hardness, tensile and electrical conductivity testing methods and optical and scanning electron microscopy techniques. The results showed that an appropriate processing and aging treatment may improve the properties of the alloy due to the formation of fine, dispersive and coherent precipitates within the matrix. Indeed, the optimum condition for electrical conductivity and mechanical properties was obtained after cold working of 40% followed by aging at 500°C for 150min.

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