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at room temperature, Al and Al alloys are well known for their very high values of...

at room temperature, Al and Al alloys are well known for their very high values of thermal conductivity. In the following questions use appropriate equations and calculations to explain your answers.

1. Does the thermal conductivity of these materials come primarily from phonons or from electrons?

2. estimate the magnitude of the difference between the phonon thermal conductivity and the electronic thermal conductivity

3. Do you expect pure Al or the Al alloys (2~4% additions) to exhibit a higher thermal conductivity? Why?

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