Quiz2 solution - Quiz2 Solution 1. Which of the following...

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Quiz2 Solution 1. Which of the following process are going to increase the strength of material? (more than one answer) (2.5’) a. Strain hardening b. Precipitation c. Solid Solutionizing d. Annealing e. Grain size refinement Ans: a, b, c, e 2. The purpose of process annealing treatment is to: (2.5’) a. Produce a uniform structure b. Reduce stress concentration c. Increase grain size d. increase ductility e. increase strength Ans: a,b,d 3. If you are asked to design an alloy to improve the hardenability, please select one from the following (1’) a. After the alloying design, the CCT curve moves to the right b. After the alloying design, the CCT curve moves to the left Ans: a 4. For the given pressure-temperature phase diagram how do you raise the melting point of ice? How do you increase the vapor point of water? Ans: You can raise the melting point of ice by lowering the pressure.(1) You can increase the vapor point of water by increasing the pressure(1) 5. For the following binary phase diagram, mark the solidus and liquidus line. Approximately at
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This note was uploaded on 01/19/2012 for the course IE 230 taught by Professor Xangi during the Spring '08 term at Purdue University-West Lafayette.

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Quiz2 solution - Quiz2 Solution 1. Which of the following...

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