Temperature (°C) 1000 Y 900 800 y+a 0.02 723°C 700 600 500 α + Fe₂C 400 y + Fe₂C 0 0.4 0.8 6.67 100% Weight percent carbon Fe 2. A 1.57 percent C hypereutectoid plain-carbon steel is slowly cooled from 980ºC to a temperature just slightly below 723ºC. a.) Calculate the weight percent proeutectoid cementite present in the steel. b.) Calculate the weight percent eutectoid cementite present in the steel. c.) Calculate the weight percent eutectoid ferrite present in the steel. Fe,C
Temperature (°C) 1000 Y 900 800 y+a 0.02 723°C 700 600 500 α + Fe₂C 400 y + Fe₂C 0 0.4 0.8 6.67 100% Weight percent carbon Fe 2. A 1.57 percent C hypereutectoid plain-carbon steel is slowly cooled from 980ºC to a temperature just slightly below 723ºC. a.) Calculate the weight percent proeutectoid cementite present in the steel. b.) Calculate the weight percent eutectoid cementite present in the steel. c.) Calculate the weight percent eutectoid ferrite present in the steel. Fe,C
Chemistry
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Temperature (°C)
1000
Y
900
800
y+a
0.02
723°C
700
600
500
α + Fe₂C
400
y + Fe₂C
0
0.4
0.8
6.67
100%
Weight percent carbon
Fe
2. A 1.57 percent C hypereutectoid plain-carbon steel is slowly cooled from 980ºC to a
temperature just slightly below 723ºC.
a.) Calculate the weight percent proeutectoid cementite present in the steel.
b.) Calculate the weight percent eutectoid cementite present in the steel.
c.) Calculate the weight percent eutectoid ferrite present in the steel.
Fe,C
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