Materials and Corrosion

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Online ISSN: 1521-4176

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  1. Aspects of corrosion of iron- and nickel-based materials by liquid tin: Oxygen dissolved in the melt and saturation with the parent element

    Thomas Emmerich, Adeline Durand, Valentyn Tsisar and Carsten Schroer

    Version of Record online: 11 JAN 2018 | DOI: 10.1002/maco.201709896

    Thumbnail image of graphical abstract

    Corrosion of liquid tin on iron, austenitic steel, and nickel-based alloy was analyzed at 500 and 700 °C. Oxide layers, stabilized by the melt oxygen content, were able to reduce corrosion. In case of a melt saturated by the alloy parent element, material consumption is lower and intermetallic layers thicker. Nickel is selectively removed from corrosion scales, contrarily to less soluble elements.

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    Corrosion News (pages 140–146)

    Version of Record online: 4 JAN 2018 | DOI: 10.1002/maco.201870014

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    Korrosionsnachrichten

    Version of Record online: 4 JAN 2018 | DOI: 10.1002/maco.201870015

  4. Behavior in oxidation at elevated temperature of {25Cr, 0.4C-6Ta}-containing Ni and Co-based cast alloys versus their proportion in nickel and cobalt

    Patrice Berthod and Zohra Himeur

    Version of Record online: 3 JAN 2018 | DOI: 10.1002/maco.201709820

    Thumbnail image of graphical abstract

    A series of six alloys from Ni-25Cr-0.4C-6Ta to Co-25Cr-0.4C-6Ta with a progressive addition of Co in substitution to Ni were elaborated. They were tested for 24 h at 1237 °C in laboratory air. The significant worsening of the oxidation behavior from the 27 wt% Co-containing alloy to the 41 wt% Co-containing one suggests that a critical Co content exists between these two values.

  5. Corrosion behaviour of Ti-Al-xV-yFe experimental alloys in 3.5 wt% NaCl and 3.5 M H2SO4

    Michael O. Bodunrin, Lesley H. Chown, Josias W. van der Merwe and Kenneth K. Alaneme

    Version of Record online: 3 JAN 2018 | DOI: 10.1002/maco.201709709

    Thumbnail image of graphical abstract

    Experimental Ti-Al-xV-yFe alloys were developed by the substitution of vanadium for iron in Ti-6Al-4V. The corrosion behaviour of the alloys in different corrosive environments was investigated. Alloys containing both iron and vanadium had lower critical current densities and better corrosion resistance in the sulphuric acid environment.

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