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Unformatted text preview: a. 4.3% carbon b. 2% carbon c. 0.8% carbon (c ) 7. Solubility of carbon in austenite compared to that in ferrite is a. high b. low c. same (a ) 8. Hypereutectoid steels are never heated to austenitic temperatures because a. brittle cementite network forms upon cooling b. grain size becomes smaller c. energy costs are high ( a) 9. Rolling of steels to get large deformation is performed a. below A123 line b. in the austenitic range c. at room temperature ( b) 10. Most structural steels contain a carbon percentage below a. 0.8% carbon b. 1% carbon c. 4.3% carbon (a ) Bonus question: 1. Should the MSE 200 lab be retained- give reasons...
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- Spring '08
- Austenite, white cast iron, plain carbon steels, a. right b., a. brittle cementite