Thermal Equilibrium Diagram (Leaving Cert Engineering): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does a thermal equilibrium diagram show?
What does a thermal equilibrium diagram show?
Temperature & composition for binary alloys
What is another name for thermal equilibrium diagrams?
What is another name for thermal equilibrium diagrams?
Phase diagrams
What data is used to construct thermal equilibrium diagrams?
What data is used to construct thermal equilibrium diagrams?
Cooling curves of different compositions
What does a cooling curve show?
What does a cooling curve show?
Temperature changes over time as alloy cools
What does the liquidus line represent?
What does the liquidus line represent?
Upper boundary where solidification begins
What does the solidus line mark?
What does the solidus line mark?
Lower boundary where solidification ends
What is the state of an alloy above the liquidus line?
What is the state of an alloy above the liquidus line?
Completely liquid
What is the state of an alloy below the solidus line?
What is the state of an alloy below the solidus line?
Entirely solid
Where is the pasty region located?
Where is the pasty region located?
Between liquidus and solidus lines
What phases exist in the pasty region?
What phases exist in the pasty region?
Both liquid and solid simultaneously
How do liquidus and solidus temperatures compare for pure metals?
How do liquidus and solidus temperatures compare for pure metals?
They are the same
Where is the liquid region located on the diagram?
Where is the liquid region located on the diagram?
Above the liquidus line