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Metallurgy and materials science pdf notes mms notes pdf. If no drawing is available, knowledge of what the parts are going to do will serve as a guide to the type of metal to use. The cross sections of both faces are rectangular with a slight vertical curve. In order to help you get to grips with this complex subject, weve put together the ultimate guide covering all. Thus the metal work or strain hardens with cold deformation percent cold work versus tensile strength and elongation for unalloyed oxygen free copper cold work is expressed as a percent reduction in crosssectional area of the metal being reduced. Adding the alloying elements may result in a change in the properties of the base metal. It also provides the weld metal with a protective slag coating, which prevents oxidation of the surface metal during cooling the type of coating of the flux is considered in terms of the type. All books are in clear copy here, and all files are secure so dont worry about it.