Strengthening of platinum-5 wt.% copper by heat treatment

Chumani Mshumi*, Candy Lang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)78-82
Number of pages5
JournalPlatinum Metals Review
Issue number2
Publication statusPublished - Apr 2007
Externally publishedYes


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