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Thermal Properties (Heat Capacity (Polymers have highest heat capacity,…
Thermal Properties
Heat Capacity
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polymers transmit through vibrations, but are really poor conductors of heat
Polymers have highest heat capacity, metals the lowest
On the graph that Alyssa loves, polymers will be the shallowest and ceramics the deepest.
if graph is symmetric, there is no radius growth
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Thermal stresses
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The rise in temperature creates compression on the outside, tension inside
Cooling from outside in, so opposite
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Thermal Conductivity
Thermal conductivity is the sum of thermal conductivity through VIBRATIONS and thermal conductivity through ELECTRONS
Metals have both, so HIGHEST
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Ceramics just vibrate, MIDDLE
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Polymers just vibrate but shittily, so WORST
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Highest crystallinity, highest K