Materials Science And Engineering Properties
1st Edition
ISBN: 9781111988609
Author: Charles Gilmore
Publisher: Cengage Learning
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Question
Chapter 5, Problem 5.19P
(a)
To determine
The temperature at which the single phase start to separate into two phases.
(b)
To determine
The number of phases present at
(c)
To determine
The composition of each phase at
(d)
To determine
The volume fraction of each phase at
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1. A 65 wt% Ni -35 wt% Cu alloy is heated to a temperature within the a + liquid phase
region. If the composition of the a phase is 70 wt % Ni, determine
i.
The temperature of the alloy
ii.
The composition of the liquid phase
iii.
The mass fraction of both phases
Composition (at% Ni)
20
40
60
80
100
1600
H 2800
1500
Liquid
1453°C
2600
1400
Solidus line
Liquidus line
2400
1300
a +L
1200
2200
1100
A
2000
1085°C
1000
20
40
60
80
100
(Cu)
Composition (wt% Ni)
(Ni)
Temperature (°C)
Temperature (F)
Q.1. For hypereutectoid plain carbon steel (select %C content yourself), determine the phases that
are present, the compositions of these phases, and the percentages or fractions of the phases. Make
schematic sketches of the microstructure that would be observed for conditions of very slow
cooling at the following temperatures:
a) Just above the austenite transformation temperature
b) The austenite transformation temperature 10°C
c) The eutectoid transformation temperature +10°C
d) The eutectoid transformation temperature 10°C
34 If the following diagram represents the sintering of the ceramic MgO, what could the curves x and y refer to?
increase in property
X
1000
1200
1600
sintering temperature (°C)
(A) = grain size; y porosity
(B) x grain size; y = strength
O(C) x porosity; y-grain size
1400
O (D) x strength; y grain size
1800
Chapter 5 Solutions
Materials Science And Engineering Properties
Ch. 5 - Prob. 1CQCh. 5 - Prob. 2CQCh. 5 - Prob. 3CQCh. 5 - Prob. 4CQCh. 5 - Prob. 5CQCh. 5 - Prob. 6CQCh. 5 - Prob. 7CQCh. 5 - Prob. 8CQCh. 5 - Prob. 9CQCh. 5 - Prob. 10CQ
Ch. 5 - Prob. 11CQCh. 5 - Prob. 12CQCh. 5 - Prob. 13CQCh. 5 - Prob. 14CQCh. 5 - Prob. 15CQCh. 5 - Prob. 16CQCh. 5 - Prob. 17CQCh. 5 - Prob. 18CQCh. 5 - Prob. 19CQCh. 5 - Prob. 20CQCh. 5 - Prob. 21CQCh. 5 - Prob. 22CQCh. 5 - Prob. 23CQCh. 5 - Prob. 24CQCh. 5 - Prob. 25CQCh. 5 - Prob. 26CQCh. 5 - Prob. 27CQCh. 5 - Prob. 28CQCh. 5 - Prob. 29CQCh. 5 - Prob. 30CQCh. 5 - Prob. 31CQCh. 5 - Prob. 32CQCh. 5 - Prob. 33CQCh. 5 - Prob. 34CQCh. 5 - Prob. 35CQCh. 5 - Prob. 36CQCh. 5 - Prob. 1ETSQCh. 5 - Prob. 2ETSQCh. 5 - Prob. 3ETSQCh. 5 - Prob. 4ETSQCh. 5 - Prob. 5ETSQCh. 5 - Prob. 6ETSQCh. 5 - Prob. 7ETSQCh. 5 - Prob. 8ETSQCh. 5 - Prob. 9ETSQCh. 5 - Prob. 10ETSQCh. 5 - Prob. 11ETSQCh. 5 - Prob. 12ETSQCh. 5 - Prob. 1DRQCh. 5 - Prob. 2DRQCh. 5 - Prob. 3DRQCh. 5 - Prob. 5.1PCh. 5 - Prob. 5.2PCh. 5 - Prob. 5.3PCh. 5 - Prob. 5.4PCh. 5 - Prob. 5.5PCh. 5 - Prob. 5.6PCh. 5 - Prob. 5.7PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - Prob. 5.10PCh. 5 - Prob. 5.11PCh. 5 - Prob. 5.12PCh. 5 - Prob. 5.13PCh. 5 - Prob. 5.14PCh. 5 - Prob. 5.15PCh. 5 - Prob. 5.16PCh. 5 - Prob. 5.17PCh. 5 - Prob. 5.18PCh. 5 - Prob. 5.19P
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