ARCH 2044 Chapter Notes - Chapter 4: Alloy Steel, Wrought Iron, Iron Ore
18 Dec 2016
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Metals - elements made by the refinement of minerals, their qualities being derived from their constituents and the process of production. Can be re-covered, re-formed, or mixed together to form a new type of metal c. Ferrous metals - metals that contain iron i. ii. iii. Nonferrous metals - metals containing no iron i. ii. iii. iv. v. Form a protective oxide layer to prevent excessive corrosion e. Ore - minerals that contain a mixture of metallic elements and various impurities i. ii. iii. Alloys - combinations of metals, or base metal mixed with traces of others. Predominant elements; iron, aluminum, copper, zinc, titanium g. Methods and processes: i. ii. iii. iv. v. Casting - in which molten metal is poured into a mold to achieve a desired shape. Forging - in which hot metal is forced into a die to achieve a desired shape.
