1
Q
what are the 3 types of materials?
A
metals
- strong and ductile
- high thermal&electrical conductivity
- opaque,reflective
polymers/plastics
- soft, ductile, low strength, low density
- thermal and electrical insulators
- optically translucent or transparent
ceramics
- ionic bonding
- brittle, glassy, elastic
- non-conducting (insulators)
2
Q
adding _______ atoms increases resistance
A
impurity
3
Q
deforming Cu increases _________
A
resistivity
4
Q
properties depend on _______
A
structure
Materials Engineering
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