Crystal Structures (Leaving Cert Engineering): Flashcards
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Crystal definition
Crystal definition
Material with atoms in organised, patterned layout
Three main metal crystal structures
Three main metal crystal structures
BCC, FCC, CPH
BCC full form
BCC full form
Body Centred Cubic
FCC full form
FCC full form
Face Centred Cubic
CPH full form
CPH full form
Close Packed Hexagonal
Atoms in BCC structure
Atoms in BCC structure
9 atoms
Atoms in FCC structure
Atoms in FCC structure
14 atoms
Atoms in CPH structure
Atoms in CPH structure
17 atoms
BCC packing type
BCC packing type
Loose packed
CPH packing type
CPH packing type
Very closely packed
Steel type with BCC structure
Steel type with BCC structure
Ferrite
Steel type with FCC structure
Steel type with FCC structure
Austenite
Metal with CPH structure
Metal with CPH structure
Brass
Slip in metals
Slip in metals
Layers of atoms sliding over each other, produces ductile material
Structures allowing slip easily
Structures allowing slip easily
FCC and CPH (tightly packed)