Crystal Structures (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 defines a crystalline structure in metals?
What defines a crystalline structure in metals?
Atoms arranged in organised pattern
How many atoms in total are in a Body Centred Cubic (BCC) structure?
How many atoms in total are in a Body Centred Cubic (BCC) structure?
9 atoms
How is the BCC structure described in terms of packing?
How is the BCC structure described in terms of packing?
Loose packed
What is the name of steel that has a BCC structure?
What is the name of steel that has a BCC structure?
Ferrite
How many atoms are in a Face Centred Cubic (FCC) structure?
How many atoms are in a Face Centred Cubic (FCC) structure?
14 atoms
How does FCC compare to BCC in terms of atomic packing?
How does FCC compare to BCC in terms of atomic packing?
More closely packed than BCC
What is steel with FCC structure called at elevated temperatures?
What is steel with FCC structure called at elevated temperatures?
Austenite
Above what temperature does ferrite transform to austenite?
Above what temperature does ferrite transform to austenite?
Approximately 723°C
How many atoms in total are in a Close Packed Hexagonal (CPH) structure?
How many atoms in total are in a Close Packed Hexagonal (CPH) structure?
17 atoms
Which metal is commonly found with a CPH structure?
Which metal is commonly found with a CPH structure?
Brass
What does slip in metals produce?
What does slip in metals produce?
A ductile material
Which crystal structures allow slip to occur easily?
Which crystal structures allow slip to occur easily?
FCC and CPH