Surface Engineering: A Valued Means in Modifying Material Surface Properties

Before discussing about the aspects about the topic, it is necessary to understand what actually is surface engineering and its significance in modifying the surface properties of material surfaces. In a way it is a methodology or technology that is intended to transform the surface properties of any particular metal or non-metal component either for ornamental or practical resolves. Transforming surface properties of a material as mentioned earlier may be done for various practical reasons, like resistance against corrosion, increasing the life of a material, making the material look attractive, and much more.

Based on the utility and the method implemented to transform the material surface, this process can be categorized as, electrolysis, electroplating, anodising and electro-polishing. While metals like copper, gold, tin and nickel can treated by reduction methods, electrolytic processing can be totally averted. By procedures like phosphating, plating and other colouring processes, pigmented coatings carried out by dip, flow coat, spraying and electrophoretic methods surface transforming can be efficiently carried out.

Apart from these techniques, use of heat along with the presence of particular gases, are also implemented to bring about changes in structural properties of a material surface. In these methods, the material surface may be hardened and chemically treated to alter its composition in case of the need for unique surface properties. Processes like galvanizing, in which the required articles are dipped in molten zinc, thereby producing a fairly thick layer of zinc also enable an efficient protection against corrosion on the material surface.

Likewise certain ferrous objects dipped into molten tin or its alloy also produces a layer of tin over the surface of the material thereby forming a protective layer on the material surface. Surface protection of a material is also effected by another technique, by transferring metals on to the surface of the desired material by heat, or arc which is referred to as heat spraying. This method is also an effective technique to enable a protective layer over the material surface.

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WWG Engineering Pte Ltd is an engineering services provider specializing in Surface Engineering Technology, Mechanical Engineering Services, Equipment Refurbishment and Re-manufacturing Works.