As pure iron is heated up through 910°C will it: 1600 C 1400 C liquid 910°C y + cementite Fe,C cementite 723°C a + cementite 0% 7% weight % carbon Contract Expand Maintain constant volume O melt

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(NOTE: i selected incorrect answer please disgard)

As pure iron is heated up through 910°C will it:
1600 C
1400 C
liquid
910°C
y + cementite
Fe,C
cementite
723°C
a + cementite
0%
weight % carbon
7%
Contract
OExpand
Maintain constant volume
melt
Transcribed Image Text:As pure iron is heated up through 910°C will it: 1600 C 1400 C liquid 910°C y + cementite Fe,C cementite 723°C a + cementite 0% weight % carbon 7% Contract OExpand Maintain constant volume melt
For the manufacture of a rolled steel joist (RJS), would you select:
1000 C
y (austentite)
a +y
y + cementite
a + Fe,C
(ferrite + cementite)
500°C
0%
weight % carbon
1.4%
Fe-0.4%C steel
Fe-0.4%C steel and case hardened
Fe-1.2C steel
None of the above
temperature
Transcribed Image Text:For the manufacture of a rolled steel joist (RJS), would you select: 1000 C y (austentite) a +y y + cementite a + Fe,C (ferrite + cementite) 500°C 0% weight % carbon 1.4% Fe-0.4%C steel Fe-0.4%C steel and case hardened Fe-1.2C steel None of the above temperature
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