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Unformatted text preview: 7. Phase diagrams can be used to interpret the microstructure of the castings provided they are a. cooled rapidly b. finite cooling rate c. very slowly (c ) 8. Terminal solid solutions in a two-component systems are observed when the solid solubilities of the atomic species in each other are a. large b. limited c. hundred percent (b ) 9. In a two-component system with limited solubility, alloys on either side of the euectic point have a. single melting point b. melting point that is lowest c. range of melting points (c ) 10. Liquidus line in a phase diagram of an isomorphous system is expected to remain a. below the solidus line b. above the solidus line (b ) d. horizontal to the composition line Bonus question: Directionally solidfied composites containing layered structures are possible a. in isomorphous system b. in hypoeutectic region c. close to the euetectic region (c )...
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This note was uploaded on 10/11/2009 for the course MSE 200 taught by Professor Wholedepartment during the Spring '08 term at N.C. State.
- Spring '08