Abstract
It is well-known that copper additions can produce significant improvements in strength levels through an age-hardening reaction in low- carbon steels in the quenched and tempered condition. In the present work the effect of copper additions for a number of different processing treatments, as-rolled, normalized and accelerated cooled, on the mechanical properties of high- carbon experimental steels have been studied. The morphology of copper precipitation observed in the pearlitic ferrite and cementite phases after different treatments is considered in order to assess its contribution to the mechanical properties. It is anticipated that these high- carbon copper-containing steels may be suitable for a variety of applications, for example, railway track products, or rod-stock for cold reduction to wire gauges, because of the improved strength levels.
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