A 0.25% C hypoeutectoid plain-carbon steel is slowly cooled from 950°C to just slightly below 727°C. 1. Using the given tie line as shown below, calculate the weight percent proeutectoid ferrite formed in the 0.25% C hypoeutectoid steel. Fe₂C a+Fe₂C 0.02% C 0.25% C 0.80% C The weight percent of proeutectoid ferrite in the 0.25% C hypoeutectoid steel = [1] % *Show with up to 3 significant digits. NOTE: You must provide an answer for this part before moving to the next part. A/ 2. Using the given tie line as shown below, calculate the weight percent of total ferrite and the weight percent of eutectoid cementite formed in the 0.25% C hypoeutectoid steel. Fe 3C α 0.02% C 0.25% C Fe3C 6.67% C The weight percent of total ferrite in the 0.25% C hypoeutectoid steel = [2] % The weight percent of eutectoid cementite formed in the 0.25% C hypoeutectoid steel - [3] % *Show with up to 3 significant digits. NOTE: You must provide an answer for this part before moving to the next part. Aj 3. Based on the result from 1 and 2, what is the weight percent of eutectoid ferrite formed in the 0.25% C hypoeutectoid steel? [Wt% of eutectoid ferrite] [Wt% of total ferrite] - [Wt% of proeutectoid ferrite] The weight percent of eutectoid ferrite formed in the hypoeutectoid steel = [4] % *Show with up to 3 significant digits. Aj
A 0.25% C hypoeutectoid plain-carbon steel is slowly cooled from 950°C to just slightly below 727°C. 1. Using the given tie line as shown below, calculate the weight percent proeutectoid ferrite formed in the 0.25% C hypoeutectoid steel. Fe₂C a+Fe₂C 0.02% C 0.25% C 0.80% C The weight percent of proeutectoid ferrite in the 0.25% C hypoeutectoid steel = [1] % *Show with up to 3 significant digits. NOTE: You must provide an answer for this part before moving to the next part. A/ 2. Using the given tie line as shown below, calculate the weight percent of total ferrite and the weight percent of eutectoid cementite formed in the 0.25% C hypoeutectoid steel. Fe 3C α 0.02% C 0.25% C Fe3C 6.67% C The weight percent of total ferrite in the 0.25% C hypoeutectoid steel = [2] % The weight percent of eutectoid cementite formed in the 0.25% C hypoeutectoid steel - [3] % *Show with up to 3 significant digits. NOTE: You must provide an answer for this part before moving to the next part. Aj 3. Based on the result from 1 and 2, what is the weight percent of eutectoid ferrite formed in the 0.25% C hypoeutectoid steel? [Wt% of eutectoid ferrite] [Wt% of total ferrite] - [Wt% of proeutectoid ferrite] The weight percent of eutectoid ferrite formed in the hypoeutectoid steel = [4] % *Show with up to 3 significant digits. Aj
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![A 0.25% C hypoeutectoid plain-carbon steel is slowly cooled from 950°C to just
slightly below 727°C.
1. Using the given tie line as shown below, calculate the weight percent proeutectoid
ferrite formed in the 0.25% C hypoeutectoid steel.
Fe₂C
a+Fe₂C
0.02% C 0.25% C
0.80% C
The weight percent of proeutectoid ferrite in the 0.25% C hypoeutectoid steel = [1]
%
*Show with up to 3 significant digits.
NOTE: You must provide an answer for this part before moving to the next part.
A/
2. Using the given tie line as shown below, calculate the weight percent of total
ferrite and the weight percent of eutectoid cementite formed in the 0.25% C
hypoeutectoid steel.
Fe 3C
α
0.02% C 0.25% C
Fe3C
6.67% C
The weight percent of total ferrite in the 0.25% C hypoeutectoid steel = [2] %
The weight percent of eutectoid cementite formed in the 0.25% C hypoeutectoid
steel - [3] %
*Show with up to 3 significant digits.
NOTE: You must provide an answer for this part before moving to the next part.
Aj
3. Based on the result from 1 and 2, what is the weight percent of eutectoid ferrite
formed in the 0.25% C hypoeutectoid steel?
[Wt% of eutectoid ferrite] [Wt% of total ferrite] - [Wt% of proeutectoid ferrite]
The weight percent of eutectoid ferrite formed in the hypoeutectoid steel = [4] %
*Show with up to 3 significant digits.
Aj](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F093e7116-3e01-49ad-9157-7a22a5caeb16%2Fdbc2037d-cb11-4942-b365-504c76451fe0%2Foo43wqu_processed.png&w=3840&q=75)
Transcribed Image Text:A 0.25% C hypoeutectoid plain-carbon steel is slowly cooled from 950°C to just
slightly below 727°C.
1. Using the given tie line as shown below, calculate the weight percent proeutectoid
ferrite formed in the 0.25% C hypoeutectoid steel.
Fe₂C
a+Fe₂C
0.02% C 0.25% C
0.80% C
The weight percent of proeutectoid ferrite in the 0.25% C hypoeutectoid steel = [1]
%
*Show with up to 3 significant digits.
NOTE: You must provide an answer for this part before moving to the next part.
A/
2. Using the given tie line as shown below, calculate the weight percent of total
ferrite and the weight percent of eutectoid cementite formed in the 0.25% C
hypoeutectoid steel.
Fe 3C
α
0.02% C 0.25% C
Fe3C
6.67% C
The weight percent of total ferrite in the 0.25% C hypoeutectoid steel = [2] %
The weight percent of eutectoid cementite formed in the 0.25% C hypoeutectoid
steel - [3] %
*Show with up to 3 significant digits.
NOTE: You must provide an answer for this part before moving to the next part.
Aj
3. Based on the result from 1 and 2, what is the weight percent of eutectoid ferrite
formed in the 0.25% C hypoeutectoid steel?
[Wt% of eutectoid ferrite] [Wt% of total ferrite] - [Wt% of proeutectoid ferrite]
The weight percent of eutectoid ferrite formed in the hypoeutectoid steel = [4] %
*Show with up to 3 significant digits.
Aj
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