材料科学与工程基础大纲(英文).ppt

FundamentalsofMaterialsScienceAndEngineering 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陈洪2017年2月 PROGRAMOFTHECOURSE 1 Chapters1Crystallography2 Chapters2Diffusion3 Chapters3PrinciplesofSolidification4 Chapters4PhaseDiagrams5 Chapters5PlasticDeformationofCrystalsandStrengtheningMechanisms6 Chapter6Recovery Recrystallization andGrainGrowth7 Chapter7SurfacesandInterfacesinCrystallineSolid8 Chapter8PhaseTransformationinSolidsandHeatTreatment Chapter1Crystallography 0 0Introduction0 1 HistoricalPerspective0 2 MaterialsScienceandEngineering0 3 ClassificationofMaterials0 4 CrystallographyandCrystalStructures 1 1FundamentalConcepts 1 Crystalline CrystalStructurea Crystallineb CrystalStructure2 Lattice UnitCellsa Latticeb UnitCells1 2MetallicCrystalStructure1 TheFace CenteredCubicCrystalStructure2 TheBody CenteredCubicCrystalStructure3 TheHexagonalClose PackedCrystalStructure4 CrystalSystem 1 3CrystallographicDirections1 DeterminetheCrystallographicDirections2 ExampleProblem1 4CrystallographicPlanes1 DeterminetheMillerIndices2 ExampleProblem1 5AtomicArrangements1 AtomicDensities Linear Planar Body 2 Atomicradius1 6Allotropy1 7ThePhaseStructuresoftheAlloys1 SubstitutionalSolidSolution2 InterstitialSolidSolution 1 8ImperfectionsinSolids1 PointDefectsa Vacancyb FrenkelDefect InterstitialAtomsc SchottkyDefect SubstitutionalAtoms2 LinearDefects Dislocationa DislocationanditsBurgersVectorb EdgeDislocationc ScrewDislocationd MixedDislocation3 InterfacialDefectsa ExternalSurfacesb GrainBoundariesc TwinBoundariesd MiscellaneousInterfacialDefects Chapter2Diffusion2 1DiffusionMechanisms1 VacancyMechanisms2 InterstitialMechanisms2 2MacroscopicTheoryofDiffusion1 Steady StateDiffusiona Fick sFirstLawb ExampleProblem2 Nonsteady StateDiffusiona Fick sSecondLawb ExampleProblem 2 3MicroscopicTheoryofDiffusion1 TheRelationshipBetweenThermalmotionoftheAtomsAndTheDiffusionCoefficient2 TheRelationshipBetweenTheRandomWalkoftheAtomsAndTheDiffusionDistent3 TheSignificationofTheDiffusionCoefficient2 4TheHigh DiffusivityPath1 AlongTheGrainBoundaries2 AlongTheDislocation3 AlongTheCrystalSurface2 5FactorsThatInfluenceDiffusion1 DiffusionSpecies2 Temperature3 TheCrystalDefects Chapter3PhaseDiagrams3 1Introduction1 WhystudyPhaseDiagrams 2 DefinitionsAndBasicConceptsa Component b System c Phase d SolubilityLimit e PhaseEquilibrium 3 2BinarySystemPhaseDiagrams1 BinaryIsomorphousSystem2 BinaryEutecticSystem3 BinaryPeritecticSystem4 BinaryEquilibriumDiagramsHavingIntermediatePhaseorCompounds3 3TheIron IronCarbide Fe Fe3C PhaseDiagrams 3 4TernarySystemPhaseDiagrams 1 CompositionTriangle2 IsothermalSection3 HorizontalSection4 VerticalSection3 5ThermodynamicsofPhaseDiagrams1 GibbsEnergy2 RegularSolutionandSubregularSolution3 ExcessGibbsEnergy Chapter4PrinciplesofSolidification4 1TechnologicalSignificance4 2ThermodynamicforSolidification4 3Nucleation1 HomogeneousNucleation2 HeterogeneousNucleation3 ApplicationsofControlledNucleation4 4TheGrowthofNucleus4 5SolidificationforaSinglePhaseofSolid Solution1 EquilibriumPartitionCoefficient2 EquilibriumandNonequilibriumSolidification 3 SoluteRedistributionaheadofSolidificationFront4 Zone Refining5 SegregationandDendriticMicrosegregation6 Solid liquidInterfaceMorphology4 6SolidificationofIngotandItsStructure1 CastStructurea ChillZone b ColumnarZone c EquiaxedZone2 SolidificationDefectsa ShrinkageCavity ShrinkagePipe Porosity b GasPorosity c InterdendriticShrinkage d Segregation MacrosegregationorMicrosegregation Chapter5PlasticDeformationofCrystalsandStrengtheningMechanisms5 1Introduction1 ConceptsofStressandStrain2 Stress StrainBehaviorofMetals5 2SlipinSingleCrystals1 SlipSystems2 SchmidLawandCriticalResolvedShearStress3 TheoreticalShearStrengthandTheIntroductionofDislocation4 CharactersofSlipFormation5 3DeformationTwinning1 GeometryoftwinFormation2 CharactersofTwinFormation5 4DeformationTexture5 5RemainedStress 5 6TheFundamentalsofDislocationTheory1 TheBasicConceptsofDislocation2 TheElasticPropertiesofDislocationa ElasticFieldofaStraightDisloccationb EnergyofaStraightDislocationc ForcesonDislocation TheExpression MechanicalForce TensionofDislocationLine ImageForce InteractingForcesBetweenDislocationsd TheInteractionBetweenDislocationsandPointDefects Cottrellgas mass SnoekGas mass Solid SolutionStrengthening3 TheMotionofDislocationsa TheSlipandClimbofDislocationsb CrossSlipofDislocationsc PlasticDeformationCausedbyMotionofDislocations 5 7 TheOriginandMultiplicationofDislocationsa OriginofDislocationsb DislocationMultiplication5 8 TheInteractionBetweenTwoDislocationsa DislocationJogsandturnsb TheMotionofDislocationswithJogs5 9 DislocationPile upGroupa DislocationPile upb Hall PetchEquationandFine CrystalStrengthening5 10 DislocationsinRealisticCrystalsa PerfectDislocation PartialDislocation StackingFault ExtandedDislocationb ReactionBetweenDislocationsandThompsonQuadri faceBodyc Lomer CottrelDislocationandStrainStrengthening5 11 DislocationTheoryandTheStrengtheningMechanismofCrystals Chapter6SurfacesandInterfacesinCrystallineSolid6 1CrystalSurfacesandSurfaceEnergy1 WhereDoesSurfaceEnergyComefrom 2 AnisotropyofTheSurfaceEnergyandTheSurfaceMorphologyofcrystals6 2GrainBoundary1 TheClassificationandTheModelofGrainBoundaries2 EnergyofGrainBoundaries3 EquilibriumSegregationonGrainBoundaries4 MobilityofGrainBoundary6 3EquilibriumMorphologyofGrainBoundary Chapter7Recovery Recrystallization andGrainGrowth7 1Recovery1 StoredEnergyofRecovery2 MechanismandProcessofRecovery7 2Recrystallization1 DrivingForceofRecrystallization2 MechanismandProcessofRecrystallization3 ReactionbetweenSecondPhaseParticlesandRecrystallization7 3GrainGrowth1 NormalGrainGrowth2 AbnormalGrainGrowth3 InfluenceofTheSecondPhaseParticlesonGrainGrowth7 4RecrystallizationTexture7 5Hot Working1 DynamicR