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Journal of the Southern African Institute of Mining and Metallurgy

On-line version ISSN 2411-9717

Abstract

HANIEF, N.; LANG, C.I.  and  TOPIC, M.. Investigating the chromium-platinum coated system. J. S. Afr. Inst. Min. Metall. [online]. 2014, vol.114, n.2, pp. 151-156. ISSN 2411-9717.

In this study, the effects of heat treatment on phase formation and surface morphology of the Cr-Pt coated system are investigated using X-ray diffraction and electron microscopy techniques. The CrPt and Cr4Pt (Cr3Pt - A15 type) phases were formed after heat treatment of the coated samples. Heat treating at 1000°C renders a distinct island coating morphology that is non-continuous in nature. A diffusional model is proposed for this coated system with regards to the surface morphology formation after heat treatment.

Keywords : coated systems; morphology; phase formation.

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