Oxidation And Corrosion Behavior Of Mild-Steel Laser Alloyed With Nickel And Chromium

    Authors

    A. S. Khanna; A. Gasser; K. Wissenbach; M. Li; V. H. Desai;W. J. Quadakkers

    Comments

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    Abbreviated Journal Title

    J. Mater. Sci.

    Keywords

    RESISTANCE; Materials Science, Multidisciplinary

    Abstract

    Surface alloys were made on mild steel, coated with nicker and chromium using laser surface alloying. Mild steel was coated with a composite layer of nickel and chromium using the plasma technique. This was followed by laser irradiation using a continuous carbon dioxide laser. Oxidation and corrosion behaviour of these alloys was then determined by carrying out oxidation in air at 800 degrees C and corrosion tests at room temperatures in 1 N H2SO4 With a 75 mu m layer of nickel and chromium each, it was possible to make surface alloys on mild steel, which had a chromium concentration of 6-7 wt%, but the nickel concentration varied from 10-20 wt%. Oxidation behaviour improved significantly over the as-coated specimen and aqueous corrosion improved considerably.

    Journal Title

    Journal of Materials Science

    Volume

    30

    Issue/Number

    18

    Publication Date

    1-1-1995

    Document Type

    Article

    Language

    English

    First Page

    4684

    Last Page

    4691

    WOS Identifier

    WOS:A1995RW34900027

    ISSN

    0022-2461

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