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Course: CHEM 3331, Spring 2012School: U. Houston
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U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
U. Houston - CHEM - 3331
N.C. State - MSE - 360
Materials Science and Engineering DepartmentMSE 360, Test #3ID number _Name: _No notes, books, or information stored in calculator memories may be used. Cheating will be punishedseverely. All of your work must be written on these pages and turned in.
N.C. State - MSE - 360
Materials Science and Engineering DepartmentMSE 360, Test #3ID number _Name: _No notes, books, or information stored in calculator memories may be used. Cheating will be punishedseverely. All of your work must be written on these pages and turned in.
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 1Department of Materials Science and Engineering1NC State UniversityPolicies and Proceduressee the Syllabus for more details Tes
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 2Department of Materials Science and Engineering1NC State UniversityBinary SolutionsA: XAB: XBXA + XB = 1Department of Materia
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 3Department of Materials Science and Engineering1NC State UniversitySingle phase from A to BAt TG=XAGA+XBGB+GMIX=XAGA+XBGB+XAXB
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 4Department of Materials Science and Engineering1NC State UniversityInterface Effect on EquilibriumHigher solubility in smaller p
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 5Department of Materials Science and Engineering1NC State UniversityDiffusionDiffusion is driven by Gibbs free energy (Fig. 2.1)
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 6Department of Materials Science and Engineering1NC State UniversityNon-steady state Diffusion: Fick s Second Law"C # $ #C '= &D
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 7Department of Materials Science and Engineering1NC State UniversityDiffusion in Substitutional AlloysQ"C # $ #C '= &D )"t #x
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 8Department of Materials Science and Engineering1NC State UniversityDiffusion along DislocationsDappD= 1+ g PDlDl!Departmen
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 9Department of Materials Science and Engineering1NC State UniversityInterfaces and Microstructures3 types of interfaces:Free sur
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 10Department of Materials Science and Engineering1NC State UniversityGrain boundary migration:Gibbs free energy drivenGibbs free
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 11Department of Materials Science and Engineering1NC State UniversityInterface Migration Thermally activated: Civilian Transform
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 12Department of Materials Science and Engineering1NC State UniversityGrowth: Pure SolidContinuous Growth:Diffuse/rough Interface
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 13Department of Materials Science and Engineering1NC State UniversityAlloy SolidificationTEquilibrium Solidification (Fig. 4.20)
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 14Department of Materials Science and Engineering1NC State UniversitySolidification of Ingots and castingChill zone: near the wal
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 15Department of Materials Science and Engineering1NC State UniversityDiffusional Transformation IHomogeneous Nucleation!G = V !G
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 16Department of Materials Science and Engineering1NC State UniversityTransformation Kinetics: TTT Diagrams3 types of transformati
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 17Department of Materials Science and Engineering1NC State UniversitySpinodal Decomposition: Chemical SpinodalSpinodalNucleation
N.C. State - MSE - 360
MSE 360: Phase Transformation and DiffusionInstructor: Yuntian ZhuOffice: 308 RBIIPh: 513-0559ytzhu@ncsu.eduLecture 18Department of Materials Science and Engineering1NC State UniversityDiffusionless Transformation (Martensitictransformation)Mor
N.C. State - MSE - 440
MSE 440/540: Processing of Metallic MaterialsInstructors: Suveen Mathaudhu and Yuntian ZhuOffice: 302E RBII / 308 RBIIPh: 549-4244 / 513-0559smathaudhu@ncsu.edu / ytzhu@ncsu.eduLecture 2: Solidification Theory IReading: Schey 6-1-1, 6-1-7Homework:
N.C. State - MSE - 440
MSE 440/540: Processing of Metallic MaterialsInstructors: Suveen Mathaudhu and Yuntian ZhuOffice: 302E RBII / 308 RBIIPh: 549-4244 / 513-0559smathaudhu@ncsu.edu / ytzhu@ncsu.eduLecture 3: Solidification Theory IIReading: Schey 7.1 7.4Homework: Two