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Homework_3_MEGR2180_F09 - 6 Make a sketch of a blast...

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MEGR 2180 HOMEWORK 3 NAME Due 09/23/09 Fall 2009 1. Draw the fundamental shape of a binary phase diagram where the two components are mutually completely soluble and give an example of an alloy that displays this type of phase diagram. 2. Using the iron-carbon phase diagram, find the: a. maximum C in Austenite (and the corresponding temperature) b. maximum C in ferrite (and the corresponding temperature) c. eutectic point (composition and melting temperature) d. eutectoid (composition and transformation temperature) e. melting temperature of pure iron 3. What is tempering? 4. What is annealing? 5. How are gray, nodular, and malleable cast irons different? How are they obtained?
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Unformatted text preview: 6. Make a sketch of a blast furnace, indicating scale, inputs, outputs, and temperatures? 7. Why is iron ore first processed in a blast furnace, and then later processed in other furnaces? 8. What is the difference between killed, semi-killed, and rimmed steel ingots? 9. What is a BOF? Describe it and make a sketch to indicate how it works. 10. What does the steel designation 1020 mean? What about 4340? 11. Where in the US can you find a working open hearth furnace? 13. Describe continuous casting, and make a sketch. "Nothing is really work unless you would rather be doing something else." – James M. Barrie (1860-1937)...
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