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Questions and Answers
Which phase of steel exists only at high temperatures?
Which phase of steel exists only at high temperatures?
- α-ferrite
- Cementite
- γ-austenite
- δ-ferrite (correct)
What is the maximum solubility of carbon in γ-austenite?
What is the maximum solubility of carbon in γ-austenite?
- Low temperatures
- High temperatures
- 2.14% C (correct)
- Fixed composition of Fe3C
What is the composition of cementite?
What is the composition of cementite?
- γ-austenite
- δ-ferrite
- α-ferrite
- Fe3C (correct)
What are the phases that exist at the eutectoid?
What are the phases that exist at the eutectoid?
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What is the phase diagram called that shows the equilibrium phases of iron and carbon?
What is the phase diagram called that shows the equilibrium phases of iron and carbon?
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