Exam III - Exam ill MSE2001D Spring 2011

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Unformatted text preview: Exam ill MSE2001D Spring 2011 Name---=~--------------------------------- (a) (b) (c) (d) (e) (f) 1. (25 pts) Using the attached Ti-AI phase diagram, please answer the following questions: What are the components in this phase di~ram? J:1.....AL List their melting points T: t- 1~(. g c:) C. T h1 _ ~ s ~ o v .J f'\ How many solid solutions appear in this phase diagram? Lj Name them 0 ( I ~) TL;3 ARc ) '{ What is maximum solid solubility of AI in Ti? IV 3 b. 5 % k Are there any line compounds? ~ If so, name them _ Are there any congruent melting compositions? 'liS If yes, indicate the melting point(s) and phase names ~ e Jc I'-' 1 :]0 0 " c.. What is the name of the in~t reaction that results In Incongruent melting?-Pe( l te c..hc.. . Identify temperature and composition of incongruent melting compositions if any are found in this diagram y' cd: ItiL\3C ~~ c:>l a.*- \S 0 3 C . Write the equation for it '1/ ----) t i + L . 0 R- ~ ~ ~ ~ + L Is there a eutectic in this phase di*~ NOHow many? __ If yes, identify...
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Exam III - Exam ill MSE2001D Spring 2011

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