Chapter 19.3

Chapter 19.3 - Thermal expansion of various materials...

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11 MSE 2090: Introduction to Materials Science Chapter 19, Thermal Properties Thermal expansion of various materials tendency to expand upon heating is counteracted by contraction related to ferromagnetic properties of this alloy (magnetostriction) The stronger the interatomic bonding (deeper the potential energy curve), the smaller is the thermal expansion. The values of α l and α V are increasing with rising T Negative thermal expansion: liquid water contracts when heated from 0 to 4°C. ZrVPO 7 , ZrW 2 O 8 , quartz at very low T.
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12 MSE 2090: Introduction to Materials Science Chapter 19, Thermal Properties Implications and applications of thermal expansion Thermostats based on bimetal strips made of two metals with different coefficient of thermal expansion: A bimetal coil from a thermometer reacts to the heat from a lighter, by Hustvedt, Wikipedia Railway tracks are built from steel rails laid with a gap between the ends
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13 MSE 2090: Introduction to Materials Science Chapter 19, Thermal Properties
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This note was uploaded on 02/14/2012 for the course MSE 2090 taught by Professor Leoindzhiglei during the Fall '10 term at UVA.

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Chapter 19.3 - Thermal expansion of various materials...

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