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<p>The nature of the grains (i.e. grain size and composition) is one of the most effective factors that can determine the overall mechanical behavior of the metal. Heat treatment provides an efficient way to manipulate the properties of the metal by controlling the rate of <a href="page.php?w=diffusion">diffusion</a> and the rate of cooling within the microstructure. Heat treating is often used to alter the mechanical properties of a metallic <a href="page.php?w=alloy">alloy</a>, manipulating properties such as the <a href="page.php?w=hardness">hardness</a>,</p><p>
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