MSE121_Sp08_PracticeMidterm - UNIVERSITY OF CALIFORNIA...

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Unformatted text preview: UNIVERSITY OF CALIFORNIA College of Engineering Department of Materials Science & Engineering Professor R. Gronsky MSE 121 Spring Semester 2007 Midterm Examination PRACTICE EXAM Instructions Please PRINT your name above and INITIAL all pages. Solutions must be written neatly and concisely IN THE SPACES PROVIDED. This is an OPEN BOOK exam. NO digital communicators (Laptop, PDA, Cellphone...). Guidelines Be aware of multi-part problems; answer, and label your answers to, ALL questions posed. Show ALL of your work for partial credit, as appropriate. There are FOUR (4) problems worth 50 points each. Problem 1 (50 points) Figure 1 The copper- lead equilibrium phase diagram, from the Metals Handbook , 8 th Edition , Volume 8 , American Society for Metals, Metals Park, Ohio, p. 296 (1973). Consider the shape casting of a Cu-36 wt.% Pb alloy poured from an initial liquid temperature of 1000C into a tungsten permanent die mold. Perform a detailed assessment of the solidification front at 500C to assess the likelihood of con- stitutional supercooling....
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This test prep was uploaded on 04/08/2008 for the course MSE 121 taught by Professor Gronsky during the Spring '08 term at University of California, Berkeley.

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MSE121_Sp08_PracticeMidterm - UNIVERSITY OF CALIFORNIA...

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