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Strengthening of Platinum-5 wt.% Copper by Heat Treatment

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Authors: Mshumi, By Chumani; Lang, Candy

Source: Platinum Metals Review, Volume 51, Number 2, April 2007, pp. 78-82(5)

Publisher: Johnson Matthey

DOI: https://doi.org/10.1595/147106707X187173

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Heat treatment of platinum-5 wt.% copper (Pt-5% Cu) below 500°C is known to result in an ordering transformation which can significantly increase the hardness of the alloy. Microsample tensile testing of Pt-5% Cu shows that low-temperature heat treatment of previously cold-worked specimens results in an increase in yield strength and tensile strength, with a maximum in strength occurring after heat treatment at 300°C; but ductility is unchanged.

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Document Type: Research Article

Publication date: April 1, 2007

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Strengthening of Platinum-5 wt.% Copper by Heat Treatment

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