1.03 Outline of Structural Metallurgy Relevant to Corrosion

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1、1.03OutlineofStructuralMetallurgyRelevanttoCorrosionR.P.M.ProcterCorrosionandProtectionCentre,SchoolofMaterials,UniversityofManchester,ManchesterM601QD,UKThisarticleisarevisionoftheThirdEditionarticle20.4byR.P.M.Procter,volume2,pp20:94–20:130,ß2010El

2、sevierB.V.1.03.1StructureofPureMetals531.03.1.1PointDefectsinCrystals541.03.1.2StackingFaultsandTwins551.03.1.3LineDefects561.03.1.4MovementandInteractionofDislocations571.03.1.5PolycrystallineMetals:GrainsandGrainBoundaries581.03.1.6Annealing:Recove

3、ryandRecrystallization601.03.1.7MacroscopicDefectsinMetals601.03.1.8StructureofMetalSurfacesandSurfaceDefects601.03.2StructureofAlloys611.03.2.1ComponentsandPhases621.03.2.2SolidSolutions621.03.2.3SegregationatDislocationsandGrainBoundaries631.03.2.4

4、LimitedandCompleteSolidSolubility631.03.2.5IntermediatePhasesandIntermetallicCompounds631.03.3EquilibriumPhaseDiagrams631.03.3.1BinaryIsomorphousPhaseDiagrams641.03.3.2Coring651.03.3.3EutecticPhaseDiagrams651.03.3.4MoreComplexBinaryPhaseDiagrams661.0

5、3.4TheFe–Fe3CPhaseDiagram661.03.4.1DecompositionofAustenite661.03.4.2FormationofPearlite691.03.4.3FormationofBainite701.03.4.4FormationofMartensite701.03.4.5IsothermalTransformationDiagrams711.03.4.6TransformationofHypo-EutectoidSteels711.03.4.7Tempe

6、ringofMartensite721.03.4.8SpheroidizedStructuresinSteels731.03.5StrengtheningMechanismsinMetals731.03.5.1PrecipitationHardening741.03.5.2ComplexAlloySystems751.03.5.3InclusionsinMetals76References76GlossaryHypo-eutectoidWithmoresolutethantheBinaryAmi

7、xtureoftwoelements(referringtoeutectoidcomposition.phasediagrams).IntergranularBetweenthegrains(i.e.,atthegrainHyper-eutecticWithmoresolutethantheeutecticboundary).composition.IntragranularWithinthegrains(i.e.,inthebulkofHyper-eutectoidWithmoresolute

8、thanthethegrain).eutectoidcomposition.Pro-eutectoidFormedatabovetheeutectoidHypo-eutecticWithmoresolutethantheeutectictemperature.composition.52OutlineofStructuralMetallurgyRelevanttoCorrosion53cubic(b.c.c.).Theunitcell(i.e.,thesmallestgroupofQuatern