上海交通大学：《材料热力学》教学资源_2014课件_lecture 1 First law I

Contents of the course S.J.T.U. Phase Transformation and Applications 热力学研究热功转换的方向、限度以及能量的衡算。 ·0,1,2,3 th law . Property Relationships ·Equilibrium Chemical Equilibrium Electrochemistry Solution Phase rule 。 Phase diagrams Statistical Thermodynamics Surfaces and Interfaces SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 1 First law I 6/38

Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 1 First law I 6/38 Contents of the course • 0, 1, 2, 3th law • Property Relationships • Equilibrium • Chemical Equilibrium • Electrochemistry • Solution • Phase rule • Phase diagrams • Statistical Thermodynamics • Surfaces and Interfaces 热力学研究热功转换的方向、限度以及能量的衡算

How to learn? S.J.T.U. Phase Transformation and Applications 。Reading ·Discussion ·Exercise God helps those who help themselves! SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 1 First law I 7/38

Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 1 First law I 7/38 How to learn? • Reading • Discussion • Exercise God helps those who help themselves!

Units S.J.T.U. Phase Transformation and Applications ℃ 100- ·Temperature 200 1 Kelvin 150 50- -F=32+1.8C 100 0 ·Composition -18K:18/24Mass% Measurement 图1-2 华氏温标 与摄氏温标 的对比 SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 1 First law I 8/38

Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 1 First law I 8/38 Units • Temperature – 1 Kelvin – F=32+1.8C • Composition – 18K: 18/24 Mass % – Measurement

Math S.J.T.U. Phase Transformation and Applications ·Total differential z=f(x,y) 0z =-1 Euler 0x 0z Stiring approximately equation lnW!≈WlnW-W SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 1 First law I 9/38

Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 1 First law I 9/38 Math • Total differential ln N! N ln N  N • Stiring approximately equation   1                          z y x z y x z y x x y z y z x z x y                             Euler z  f (x, y)

Index of nomenclature S.J.T.U. Phase Transformation and Applications 0 System/surroundings.系统、环境 Open/close/isolated systems敞开、封闭、孤立 e Thermal equilibrium/steady state平衡、稳态 ·Heat/work热、功 o Internal energy内能/热力学能 ·State function状态函数 ·Intensive/extensive properties强度、容量性质 o Enthalpy焓 ·Heat capacity热容 SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 1 First law I 10/38

Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 1 First law I 10/38 Index of nomenclature • System / surroundings系统、环境 • Open / close / isolated systems敞开、封闭、孤立 • Thermal equilibrium / steady state平衡、稳态 • Heat / work热、功 • Internal energy内能/热力学能 • State function状态函数 • Intensive / extensive properties强度、容量性质 • Enthalpy焓 • Heat capacity热容