Effect of Iron Content on the Strength and Conductivity of Cu-Fe In Situ Composite

Abstract:

Cu-14Fe and Cu-17Fe alloys were produced by casting and processed into in situ composites by hot and cold deformation, and intermediate heat treatment. The microstructures were investigated by using a scanning electron microscope and an optical microscope. The electrical conductivity was evaluated by using a digital micro-ohmmeter. The tensile strength was measured by using an electronic tensile-testing machine. The results show that there are similar cast and deformation microstructures in Cu-14Fe and Cu-17Fe. The tensile strength of deformation-processed Cu-17Fe in situ composite is much higher than that of Cu-14Fe, while the conductivity of deformation-processed Cu-17Fe in situ composite is slightly lower than that of Cu-14Fe at the same cold deformation strain. The Cu-17Fe in situ composite produced by using proper thermo-mechanical processing possesses a good combination of tensile strength and electrical conductivity.

• Periodical: Applied Mechanics and Materials (Volumes 633-634)
• Pages: 63-67
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.633-634.63
• Online since: September 2014
• Authors: Ke Ming Liu*, Z.Y. Jiang, Yong Hua Wang, Z.B. Chen, Jing Wei Zhao, De Ping Lu
• Keywords: Cu/Fe, Electrical Conductivity, In Situ Composite, Iron Content, Tensile Strength

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