材料科学与工程基础大纲(英文).ppt

Fundamentals of Materials Science And Engineering(材料科学与工程基础)湖北工业大学机械工程学院材料加工系湖北工业大学机械工程学院材料加工系陈陈 洪洪20172017年年2 2月月PROGRAM OF THE COURSE 1 1）Chapters 1 CrystallographyChapters 1 Crystallography 2)Chapters 2 Diffusion 2)Chapters 2 Diffusion 3)Chapters 3 Principles of Solidification 3)Chapters 3 Principles of Solidification 4)Chapters 4 Phase Diagrams 4)Chapters 4 Phase Diagrams 5)Chapters 5 Plastic Deformation of Crystals and Strengthening 5)Chapters 5 Plastic Deformation of Crystals and Strengthening Mechanisms Mechanisms 6)Chapter 6 6)Chapter 6 Recovery,Recrystallization,and Grain Growth 7)Chapter 7 7)Chapter 7 Surfaces and Interfaces in Crystalline Solidnd Interfaces in Crystalline Solid 8)Chapter 8 Phase Transformation in Solids and Heat Treatment 8)Chapter 8 Phase Transformation in Solids and Heat Treatment Chapter 1 Crystallography0-0 Introduction0-1、Historical Perspective0-2、Materials Science and Engineering0-3、Classification of Materials0-4、Crystallography and Crystal Structures1-1 Fundamental Concepts1、Crystalline,Crystal Structure a、Crystalline b、Crystal Structure2、Lattice,Unit Cells a、Lattice b、Unit Cells1-2 Metallic Crystal Structure1、The Face-Centered Cubic Crystal Structure2、The Body-Centered Cubic Crystal Structure3、The Hexagonal Close-Packed Crystal Structure4、Crystal System1-3 Crystallographic Directions 1、Determine the Crystallographic Directions 2、Example Problem 1-4 Crystallographic Planes 1、Determine the Miller Indices 2、Example Problem 1-5 Atomic Arrangements 1、Atomic Densities (Linear、Planar、Body)2、Atomic radius1-6 Allotropy1-7 The Phase Structures of the Alloys 1、Substitutional Solid Solution 2、Interstitial Solid Solution1-8 Imperfections in Solids1、Point Defects a、Vacancy b、Frenkel Defect-Interstitial Atoms c、Schottky DefectSubstitutional Atoms2、Linear DefectsDislocation a、Dislocation and its Burgers Vector b、Edge Dislocation c、Screw Dislocation d、Mixed Dislocation3、Interfacial Defects a、External Surfaces b、Grain Boundaries c、Twin Boundaries d、Miscellaneous Interfacial Defects Chapter 2 Diffusion2-1 Diffusion Mechanisms1、Vacancy Mechanisms 2、Interstitial Mechanisms 2-2 Macroscopic Theory of Diffusion 1、Steady-State Diffusion a、Ficks First Law b、Example Problem2、Nonsteady-State Diffusion a、Ficks Second Law b、Example Problem2-3 Microscopic Theory of Diffusion 1、The Relationship Between Thermal motion of the Atoms And The Diffusion Coefficient 2、The Relationship Between The Random Walk of the Atoms And The Diffusion Distent 3、The Signification of The Diffusion Coefficient2-4 The High-Diffusivity Path1、Along The Grain Boundaries2、Along The Dislocation 3、Along The Crystal Surface 2-5 Factors That Influence Diffusion 1、Diffusion Species 2、Temperature 3、The Crystal Defects Chapter 3 Phase Diagrams3-1 Introduction1、Why study Phase Diagrams?2、Definitions And Basic Conceptsa、Component;b、System;c、Phase;d、Solubility Limit;e、Phase Equilibrium.3-2 Binary System Phase Diagrams1、Binary Isomorphous System2、Binary Eutectic System3、Binary Peritectic System4、Binary Equilibrium Diagrams Having Intermediate Phase or Compounds 3-3 The Iron-Iron Carbide(Fe-Fe3C)Phase Diagrams3-4 Ternary System Phase Diagrams*1、Composition Triangle2、Isothermal Section3、Horizontal Section4、Vertical Section3-5 Thermodynamics of Phase Diagrams1、Gibbs Energy2、Regular Solution and Subregular Solution3、Excess Gibbs EnergyChapter 4 Principles of Solidification4-1 Technological Significance4-2 Thermodynamic for Solidification4-3 Nucleation1、Homogeneous Nucleation2、Heterogeneous Nucleation3、Applications of Controlled Nucleation4-4 The Growth of Nucleus 4-5 Solidification for a Single Phase of Solid-Solution1、Equilibrium Partition Coefficient2、Equilibrium and Nonequilibrium Solidification 3、Solute Redistribution ahead of Solidification Front4、Zone-Refining5、Segregation and Dendritic Microsegregation6、Solid-liquid Interface Morphology4-6 Solidification of Ingot and Its Structure 1、Cast Structure a、Chill Zone;b、Columnar Zone;c、Equiaxed Zone2、Solidification Defects a、Shrinkage Cavity(Shrinkage Pipe,Porosity);b、Gas Porosity;c、Interdendritic Shrinkage;d、Segregation (Macrosegregation or Microsegregation)Chapter 5 Plastic Deformation of Crystals and Strengthening Mechanisms5-1 Introduction1、Concepts of Stress and Strain2、Stress-Strain Behavior of Metals5-2 Slip in Single Crystals1、Slip Systems 2、Schmid Law and Critical Resolved Shear Stress3、Theoretical Shear Strength and The Introduction of Dislocation4、Characters of Slip Formation 5-3 Deformation Twinning1、Geometry of twin Formation2、Characters of Twin Formation5-4 Deformation Texture5-5 Remained Stress5-6 The Fundamentals of Dislocation Theory1、The Basic Concepts of Dislocation2、The Elastic Properties of Dislocationa、Elastic Field of a Straight Disloccationb、Energy of a Straight Dislocationc、Forces on Dislocation The Expression;Mechanical Force;Tension of Dislocation Line;Image Force;Interacting Forces Between Dislocations d、The Interaction Between Dislocations and Point Defects Cottrell gas-mass;Snoek Gas-mass;Solid-Solution Strengthening 3、The Motion of Dislocationsa、The Slip and Climb of Dislocationsb、Cross Slip of Dislocationsc、Plastic Deformation Caused by Motion of Dislocations 5-7、The Origin and Multiplication of Dislocationsa、Origin of Dislocations b、Dislocation Multiplication5-8、The Interaction Between Two Dislocationsa、Dislocation Jogs and turnsb、The Motion of Dislocations with Jogs5-9、Dislocation Pile-up Groupa、Dislocation Pile-upb、Hall-Petch Equation and Fine-Crystal Strengthening5-10、Dislocations in Realistic Crystalsa、Perfect Dislocation、Partial Dislocation、Stacking Fault、Extanded Dislocation b、Reaction Between Dislocations and Thompson Quadri-face Body c、Lomer-Cottrel Dislocation and Strain Strengthening 5-11、Dislocation Theory and The Strengthening Mechanism of Crystals Chapter 6 Surfaces and Interfaces in Crystalline Solid6-1 Crystal Surfaces and Surface Energy1、Where Does Surface Energy Come from?2、Anisotropy of The Surface Energy and The Surface Morphology of crystals6-2 Grain Boundary 1、The Classification and The Model of Grain Boundaries2、Energy of Grain Boundaries3、Equilibrium Segregation on Grain Boundaries4、Mobility of Grain Boundary6-3 Equilibrium Morphology of Grain Boundary Chapter 7 Recovery,Recrystallization,and Grain Growth 7-1 Recovery1、Stored Energy of Recovery2、Mechanism and Process of Recovery7-2 Recrystallization1、Driving Force of Recrystallization2、Mechanism and Process of Recrystallization 3、Reaction between Second Phase Particles and Recrystallization7-3 Grain Growth1、Normal Grain Growth 2、Abnormal Grain Growth 3、Influence of The Second Phase Particles on Grain Growth 7-4 Recrystallization Texture 7-5 Hot-Working 1、Dynamic Recovery 2、Dynamic Recrystallization Chapter 8 Phase Transformation in Solids and Heat Treatment8-1 Introduction:Phase Transformation in Metals 8-2 Basic Concepts8-3 The Kinetics of Solid-State Reactions8-4 Nucleation and Growth in Solid-State Transformation8-5 Age or Precipitation Hardening 8-6 Microstructural and Property Changes in Iron-Carbon Alloys1、Isothermal Transformation Diagrams 2、Continuous Cooling Transformation Diagrams3、Mechanical Behavior of Iron-Carbon Alloys8-7 Heat Treatments of Iron-Carbon Alloys 1、Mechanism of Hardening、Toughening and Softening 2、Eutectoied Transformation of Iron-Carbon Alloys3、The Martensitic Reaction and Tempering8-8 Surface Heat Treatment8-9 Chemical Heat Treatment