Tony Stark is having difficulty conducting some phase diagram calculations for his new Adamantium (Ad)-Vibranium (Vb) alloy suit. Four kilograms of the 30 wt.% Vb and 70 wt.% Ad alloy is slowly cooled from 1200°C. Below is the Ad-Vb phase diagram. Determine/Calculate: a) Is the alloy hypoeutectic, eutectic or hypereutectic? b) Identify and determine the compositions of the phases present just above the eutectic temperature (701°C) c) The weight percent of these phases just above the eutectic temperature (701°C)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Tony Stark is having difficulty conducting some phase diagram calculations for his new
Adamantium (Ad)-Vibranium (Vb) alloy suit. Four kilograms of the 30 wt.% Vb and 70 wt.% Ad
alloy is slowly cooled from 1200°C. Below is the Ad-Vb phase diagram.
Determine/Calculate:
a) Is the alloy hypoeutectic, eutectic or hypereutectic?
b) Identify and determine the compositions of the phases present just above the eutectic
temperature (701°C)
c) The weight percent of these phases just above the eutectic temperature (701°C)
d) The weight in kilograms of these phases just above the eutectic temperature (701°C)
e) What is the weight (in kilograms) of beta that formed by the eutectic reaction?
f) Make a sketch of the final microstructure with all the phases labelled
1600
1200
Liquidus
Solidus
Liquidus
L+B
a
800
a+L
Solidus
20
700°C
62
98
Solvus
Solvus-
400
a + B
100
O 20 40 60 80 100
wt.% Ad
Temperature (°C)
Transcribed Image Text:Tony Stark is having difficulty conducting some phase diagram calculations for his new Adamantium (Ad)-Vibranium (Vb) alloy suit. Four kilograms of the 30 wt.% Vb and 70 wt.% Ad alloy is slowly cooled from 1200°C. Below is the Ad-Vb phase diagram. Determine/Calculate: a) Is the alloy hypoeutectic, eutectic or hypereutectic? b) Identify and determine the compositions of the phases present just above the eutectic temperature (701°C) c) The weight percent of these phases just above the eutectic temperature (701°C) d) The weight in kilograms of these phases just above the eutectic temperature (701°C) e) What is the weight (in kilograms) of beta that formed by the eutectic reaction? f) Make a sketch of the final microstructure with all the phases labelled 1600 1200 Liquidus Solidus Liquidus L+B a 800 a+L Solidus 20 700°C 62 98 Solvus Solvus- 400 a + B 100 O 20 40 60 80 100 wt.% Ad Temperature (°C)
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