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lec6 - Heat Heat Treatment Lecture 6.b ISE 2204...

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Heat Treatment Lecture 6.b ISE 2204 – Introduction to Manufacturing Processes Dr. Jaime Camelio February 26, 2009 Iron-Iron Carbide Phase Diagrams Austenite-Pearlite Transformation Heat Treatments Annealing ISE 2204 – Introduction to Manufacturing Processes – Spring 2009 Outline
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Graphically illustrates the relationships among temperature, composition, and the phases present in a particular alloy system Nickel-copper ISE 2204 – Introduction to Manufacturing Processes – Spring 2009 Phase Diagrams Note that pure nickel and pure copper each have one freezing or melting temperature. The top circle on the right depicts the nucleation; the second circle shows the formation of dendrites; and the bottom circle shows the solidified alloy with grain boundaries. ISE 2204 – Introduction to Manufacturing Processes – Spring 2009 Iron Iron-Iron Iron Carbide Phase Diagram Carbide Phase Diagram (a) The iron-iron carbide phase diagram.
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