Understand the Iron Carbon Diagram (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is steel's status in modern engineering according to material usage?
What is steel's status in modern engineering according to material usage?
Most important & widely used metal
What are the natural properties of pure iron?
What are the natural properties of pure iron?
Soft and ductile
What are the natural properties of carbon?
What are the natural properties of carbon?
Extremely hard and brittle
What is the typical maximum carbon content in steel?
What is the typical maximum carbon content in steel?
No more than 3%
What crystal structure does ferrite have?
What crystal structure does ferrite have?
BCC (Body Centred Cubic)
Below what temperature does ferrite occur?
Below what temperature does ferrite occur?
910°C
What crystal structure does austenite have?
What crystal structure does austenite have?
FCC (Face Centred Cubic)
At what temperature does austenite occur?
At what temperature does austenite occur?
Above 910°C
How is cementite described in terms of composition?
How is cementite described in terms of composition?
Carbon-rich with iron dissolved in
What are the characteristic properties of cementite?
What are the characteristic properties of cementite?
Incredibly hard and brittle
What is the structure of pearlite?
What is the structure of pearlite?
Alternating layers of ferrite & cementite
What defines the eutectoid point on the iron-carbon diagram?
What defines the eutectoid point on the iron-carbon diagram?
0.8% carbon and 720°C