Monthly Archives: October 2009

Heat Treatment of Metals (2)

Steels having less than the eutectioid amount of carbon (less than 0.77%) are known as hypoeutectoid steels. Consider now the transfomation of such a material represented by cooling along line y – y’ in Fig 1.1. At high temperatures, the material is entirely austenite, but upon cooling enters a region where the stable phases are […]


Heat Treatment of Metals (1)

The understanding of heat tratment is embraced by the broader study of metallurgy. Metallurgy is the physics, chemistry, and engineering related to metals from ore extraction to the final product. Heat treatment is the operation of heating and cooling a metal in its solid state to change its physical properties. According to the procedure used, […]

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