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Anneal hardening effect dependence on thermal cycling of copper base alloys

S. NESTOROVIC1,* , I. MARKOVIC1, D. MARKOVIC1, L. IVANIC1

Affiliation

  1. Technical Faculty in Bor, University of Belgrade, V.J. 12, 19210 Bor, Serbia

Abstract

Anneal hardening effect dependence on thermal cycling of Cu-Zn and Cu-Al alloys is studied in this paper. The cast samples of both alloys were performed to the same thermo mechanical treatment which included thermal cycling. The cast Cu-Zn and Cu-Al alloys are quenched and then subjected to cold rolling followed only by annealing or annealing with thermal cycling, below the recrystallization temperature. Anneal hardening effect has been observed in both alloys in an annealing temperature range of 180-300 0 C, where the hardness and electrical conductivity being increased with the amount of reduction of prior cold rolling. These investigations showed that the thermal cycling increased the intensity of anneal hardening effect some higher at Cu-Zn than at Cu-Al alloy.

Keywords

Anneal hardening effect, Thermal cycling, Cu-Zn and Cu-Al alloys.

Submitted at: Aug. 23, 2011
Accepted at: Oct. 20, 2011

Citation

S. NESTOROVIC, I. MARKOVIC, D. MARKOVIC, L. IVANIC, Anneal hardening effect dependence on thermal cycling of copper base alloys, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 10, pp. 1285-1288 (2011)