The Science and Engineering of Materials (MindTap Course List)
7th Edition
ISBN: 9781305076761
Author: Donald R. Askeland, Wendelin J. Wright
Publisher: Cengage Learning
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Textbook Question
Chapter 14, Problem 14.3P
How much would 50 kg of the hypothetical alloy 5074-O cost in raw material prices using the estimates given Table 14-1?
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According to Reference [1], alloys of nickel (Ni) and tungsten (W) are can form substitutional solid solutions
up to approximately 11 at% W. Consider two different alloy compositions: Ni-5W (5 at% W) and Ni-10.5W
(10.5 at% W).
A. Which composition should be more ductile?
B. Which composition should be stronger?
C. Using the oy~ C¹/2 relationship from the lecture slides, how many times larger should the yield
strength be for Ni-10.5W compared to Ni-5W?
D. Where should the tungsten atoms sit relative to the dislocation on or opposite the side with the extra
half-plane? You will need information from Appendixes of the textbook.
Write the % C and other alloying elements percentages of the steel whose shorthand notation as 10CrMo910 is given.
12 – On modern large aeroplanes structure where can we find a more frequent use oftitanium alloys? And why is that?
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