Georgia Tech - Material Processing 

1.1 Introduction

1.2 One-Component Phase Diagrams and Gibbs Phase Rule

1.3 Regions of Two Phase Equilibrium

1.4 Additional One-Component Phase Diagrams

1.5 Binary Isomorphous Phase Diagrams

1.6 The Lever Rule

1.7 Phase Fractions

1.8 Equilibrium Cooling Curves

1.9 Equilibrium Isomorphous Diagrams

1.10 Analysis of a Phase Diagram

1.11 Deviations from Ideal Behavior

1.12 Eutectic Phase Diagram

1.13 Determination of Phase Boundaries

1.14 Eutectic Microstructure Development

1.15 Equilibrium Cooling of an Off-Eutectic Alloy

1.16 Equilibrium Cooling of an Off-Eutectic Alloy - Calculations

1.17 Microstructure Development in an Off-Eutectic Alloy

1.18 Invariant Reactions in Two Component Systems

1.19 Peritectic Phase Diagrams

1.20 Analysis of Complex Phase Diagrams

1.21 Monotectic Phase Diagrams

1.22 Phase Separation and Critical Points

1.23 Solid State Reactions

1.24 Summary of Invariant Reactions in Two-Component Systems

1.25 Summary

Learning Outcomes

Consent Form

Get More from Georgia Tech

Supplemental Materials for this Module

Earn a Georgia Tech Badge and CEUs

Quiz 1.1 (Lessons 1.1 - 1.8)

Quiz 1.2 (Lessons 1.9 - 1.12)

Quiz 1.3 (Lessons 1.13 - 1.17)

Quiz 1.4 (Lessons 1.18 - 1.24)

2.1 Introduction

2.2 The Concept of a Driving Force

2.3 Homogeneous Nucleation

2.4 Undercooling and the Barrier to Homogeneous Nucleation

2.5 Random Clusters in the Liquid

2.6 Nucleation and Growth

2.7 Wetting

2.8 Heterogeneous Nucleation

2.9 Heterogeneous Nucleation - Spherical Cap Approximation

2.10 Heterogeneous Nucleation - Sodium Acetate Demonstration

2.11 Heterogeneous Nucleation - Applications

2.12 Homogeneous and Heterogeneous Nucleation

2.13 Types of Interfaces

2.14 Johnson, Mehl, and Avrami (JMA) Equation

2.15A Calculations Using the JMA Equation Part 1

2.15B Calculations Using the JMA Equation Part 2

2.16 Application of the JMA Equation

2.17 Developing High Strength Alloys

2.18 The Iron-Carbon System

2.19 Diffusional/DiffusionlessTransformations

2.20 Heat Treating a Plain Carbon Eutectoid Steel

2.21 Formation of Pearlite in Eutectoid Steel

2.22 Formation of Bainite in a Eutectoid Steel

2.23 Formation of Martensite

2.24 Heat Treatments of Austenite Decomposition Products

2.25 Isothermal Transformation (IT) Diagrams for a Eutectoid Steel

2.26 Off-Eutectoid Isothermal Transformation (IT) Diagrams

2.27 4340 Isothermal Transformation (IT) Diagram

2.28 Continuous Transformation (CCT) Diagrams

2.29 Precipitation Hardening in Al-Cu Alloys

2.30 Nonequilibrium Solidification

2.31 Sintering

2.32 Summary

Learning outcomes

Supplemental Materials for this Module

Where to go from here

Quiz 2.1 (Lessons 2.1 - 2.5)

Quiz 2.2 (Lessons 2.6 - 2.10)

Quiz 2.3 (Lessons 2.11 - 2.15)