Intro 1.3

Intro 1.3 - Application of thermodynamics and kinetics to...

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MSE 3050, Thermodynamics and Kinetics of Materials, Leonid Zhigilei Application of thermodynamics and kinetics to materials Component - chemically recognizable species (Fe and C in carbon steel, H 2 O and Sucrose in sugar solution in water). A binary alloy contains two components, a ternary alloy - three, etc. Materials consist of phases or mixtures of phases. A phase is a portion of a system that has uniform properties and composition. The phase may or may not be in an equilibrium state. Two distinct phases in a system have distinct chemical or physical characteristics (e.g. liquid water and ice) and are separated from each other by definite phase boundaries . A phase may contain one or more components. A single-phase system is called homogeneous , systems with two or more phases are mixtures or heterogeneous systems. Equilibrium – the state in which the system parameters no longer evolve (there are no fluxes of matter or energy, small disturbances decay, …). The phases that are
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This note was uploaded on 02/14/2012 for the course MSE 3050 taught by Professor Zhigilei during the Spring '12 term at UVA.

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Intro 1.3 - Application of thermodynamics and kinetics to...

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