Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Question
Chapter 9.13, Problem 51KCP
(a)
To determine
What are shape memory alloys.
(b)
To determine
Write some applications for shape memory alloys and examples of the alloy.
(c)
To determine
How shape memory alloys produced.
(d)
To determine
Explain the working of shape memory alloys using schematics.
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Which of the following alloys would form a complete substitutional solid solution?
O Metal 1 is HCP, metal 2 is FCC, and atomic radius difference is less than 15%.
O Metal 1 is BCC, metal 2 is BCC, and atomic radius difference is at least 15%.
O Metal 1 is FCC, metal 2 is FCC, and atomic radius difference is 12%.
O Metal 1 is BCC, metal 2 is FCC, and atomic radius difference is 12%.
O Metal 1 is FCC, metal 2 is FCC, and atomic radius difference is 15%.
List the phase(s) that are present, the phase composition(s) and the weight fractions of the phase(s) for each of the following alloys:(a) 70 wt% Zn-30 wt% Cu at 300 C (b) 90 wt% Pb-10 wt% Sn at 325 C (c) 2.5 kg Cu and 5.0 kg Ag at 900 C (d) 37 lbm Pb and 6.5 lbm Mg at 500 C
Maximum solubility
in FCC austenite at
1147 °C is
2.04 wt%
2.14 wt%
14.2 wt% O
0.022 wt% O
Chapter 9 Solutions
Foundations of Materials Science and Engineering
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