material properties at LT

material properties at LT - 2.33 Ir 2.49 2.49 5 More metals...

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2 Why does fiber glass not shrink as much as a pure plastic on cooling? A. It has no plastic in it B. Glass shrinks very little C. It is magic Tensile Stress Yield Stress Reduction in Area Elongation Annealed
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3 Heat Flow Thermal Conductivity
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4 Electrons as a Ideal Gas and but Wiedemann-Franz-Lorentz Law With quantum treatment Real values agree Lorenz number in 10^-8 Watt ohm/K^2 Metal 273K 373K Ag 2.31 2.37 Au 2.35 2.40 Cd 2.42 2.43 Cu 2.23
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Unformatted text preview: 2.33 Ir 2.49 2.49 5 More metals Mo 2.61 2.79 Pb 2.47 2.56 Pt 2.51 2.60 Sn 2.52 2.49 W 3.04 3.20 Zn 2.31 2.33 The Wiedemann-Franz-Lorentz works because A. Heat and electrical current are carried by the same objects in many materials B. On a quantum level, everything is the same C. The mechanism for impeding heat and electrical currents are the same in many materials...
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This note was uploaded on 10/22/2011 for the course PHY 4550 taught by Professor Ihas during the Spring '08 term at University of Florida.

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material properties at LT - 2.33 Ir 2.49 2.49 5 More metals...

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