Study on Micro-Hardness and Electrical Conductivity in as Cast Cu-Fe-P Alloys

Bin Gou; Je Hyun Lee; Ji Ho Gu; Kwang Jun Euh; S.Z. Han

doi:10.4028/www.scientific.net/MSF.620-622.267

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Study on Micro-Hardness and Electrical Conductivity in as Cast Cu-Fe-P Alloys
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Study on Micro-Hardness and Electrical Conductivity in as Cast Cu-Fe-P Alloys

Abstract:

The micro-hardness and electric conductivity was studied in as cast alloy Cu-Fe-P alloys which were solution treated at 980°C and aging treated at 400-800°C for 1-20 hours. The micro-hardness peak value was 180 HV and the conductivity peak value was 65% IACS. The hardness and the electric conductivity all depended on precipitation principally. The addition of C in Cu-Fe-P alloy reduced the grain size and accelerated precipitation which resulted in enhancing hardness and electric conductivity together.