Georgia Tech - Material Behavior 

1.1 Introduction

1.2 Metals

1.3 Ceramics

1.4 Polymers

1.5 Semiconductors

1.6 Composites

1.7 Correlated Properties

1.8 Materials Design Paradigm

1.9 Application to Product Design

1.10A Mechanical Tests Part 1

1.10B Mechanical Tests Part 2

1.10C Mechanical Tests Part 3

1.10D Mechanical Tests Part 4

1.11 Conclusion

Learning Outcomes

Consent Form

Supplemental Materials for this Module

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Quiz 1.1 (Lectures 1.1 - 1.5)

Quiz 1.2 (Lectures 1.6 - 1.10)

2.1 Introduction

2.2 Atomic Structure

2.3 Periodic Chart and Electron Orbitals

2.4 Modification for Atoms & Crystals

2.5 Primary Bonds

2.6A Ionic Bonds Part 1

2.6B Ionic Bonds Part 2

2.6C Ionic Bonds Part 3

2.7A Radius Ratio & Coordination Number Part 1

2.7B Radius Ratio & Coordination Number Part 2

2.7C Radius Ratio & Coordination Number Part 3

2.8 Covalent Bonds

2.9 Mixed Bonds

2.10 Weak Bonds

2.11A Basic Thermodynamics Part 1

2.11B Basic Thermodynamics Part 2

2.12 Basic Kinetics

2.13 Conclusion

Learning Outcomes

Supplemental Materials for this Module

Earn a Georgia Tech Badge/Certificate/CEUs

Quiz 2.1 (Lectures 2.1 - 2.5)

Quiz 2.2 (Lectures 2.6 - 2.9)

Quiz 2.3 (Lectures 2.10 - 2.11)

Quiz 2.4 (All Module 2 Lectures)

3.1 Introduction

3.2 Symmetry

3.3 2-Dimensional Symmetry

3.4 2-Dimensional Symmetry - Lattice and Basis

3.5 Crystal Systems and Bravais Lattices

3.6 Why the Bravais Lattice?

3.7 FCC Hard Sphere Model

3.8 BCC Hard Sphere Model

3.9 Calculating Density

3.10 Hard Sphere Packing

3.11 Hard Sphere Packing - Visualization

3.12 Miller Indices - Directions

3.13 Miller Indices - Planes

3.14 Miller Indices - Additional Planes of Interest

3.15 Linear and Planar Densities

3.16 Crystals with 2 Atoms per Lattice Point

3.17 Crystals with 2 Ions or 2 Different Atoms per Lattice Point

3.18 Crystals with Several Atoms per Lattice Point

3.19 Polycrystalline Materials and Liquid Crystals

3.20 X-Ray Diffraction and Crystal Structure

3.21 Summary

Learning Outcomes

Supplemental Materials for this Module

Quiz 3.1 (Lectures 3.1 - 3.6)

Quiz 3.2 (Lectures 3.7 - 3.12)

Quiz 3.3 (Lectures 3.13 - 3.16)

Quiz 3.4 (Lectures 3.17 - 3.20)

4.1 Introduction

4.2 Point Defects

4.3 Point Defects in Ionic and Covalent Materials

4.4 Substitutional Solid Solutions

4.5 Solid Solutions - Vegard's Law

4.6 Fick's First Law

4.7 Self Diffusion

4.8 Interstitial Solid Solutions

4.9 Discussion Question

4.10 Grain Boundary Effects

4.11 Grain Boundaries as Short Circuit Paths

4.12 Diffusion in Polymers

4.13 Fick's Second Law - The Thin Film Solution

4.14 Fick's Second Law - Modifications to the Thin Film Solution

4.15 Case Hardening a Gear

4.16 Case Hardening a Gear - Example Problem

4.17 Development of a Useful Approximation

4.18 Appllication to Engineering Materials

4.19 Summary

Learning Outcomes

Supplemental Materials for this Module

Quiz 4.1 (Lectures 4.1 - 4.6)

Quiz 4.2 (Lectures 4.7 - 4.12)

Quiz 4.3 (All Module 4 Lectures)

5.1 Introduction

5.2 Normal and Shear Forces

5.3 Edge Dislocations

5.4 Dislocations and the Burgers Vector

5.5 Critical Resolved Shear Stress

5.6 Burgers Vector and Slip Planes

5.7 Slip Systems in FCC Crystals

5.8 Possible Slip in FCC Crystals

5.9 Calculations in an FCC Crystal

5.10 The Thompson Tetrahedron

5.11 Dislocations in Action

5.12 Calculations in a BCC Crystal

5.13 Slip in Hexagonal Systems

5.14 Application to Polycrystalline Materials

5.15 Dislocation Boundaries - Low Angle Boundaries

5.16 Dislocation Behavior

5.17 Dislocations in Ionic Materials

5.18 Grains, Grain Boundaries, and Surfaces

5.19 Strengthening Mechanisms - Solute

5.20 Strengthening Mechanisms - Dislocations

5.21 Strengthening Mechanisms - Grain Size

5.22 Strengthening Mechanisms - Volume (Precipitates)

5.23 Summary

Learning Outcomes

Supplemental Materials for this Module

Quiz 5.1 (Lectures 5.1 - 5.8)

Quiz 5.2 (Lectures 5.9 -5.15)

Quiz 5.3 (Lectures 5.16 - 5.19)

Quiz 5.4 (Lectures 5.20 - 5.22)

6.1 Introduction

6.2 Glass Transition Temperature

6.3 The Kauzmann Paradox

6.4 Viscosity

6.4b Pitch Drop Website

6.5 Viscosity Behavior of Oxide Glasses

6.6 Defects in SiO2

6.7 Structure of Oxide Glass

6.8 Zachariasen's Rules

6.9 Soda Lime Silicate

6.10 Polymers and the Glass Transition Temperature

6.11 Classification of Polymers

6.12 Nature of the Bond

6.13 Molecular Weight Averages

6.14 Chain Architecture

6.15 Semicrystalline Materials

6.16 Factors Affecting Crystallinity in Polymers

6.17 Coiling in Polymers

6.18 Demonstration of Oxide Glass Crystallization

6.19 Rubbery Behavior in Polymers

6.20 Amorphous Metals

6.21 Methods of Producing Amorphous Metals

Racquetball Demonstration

6.22 Summary

Learning Outcomes

Supplemental Materials for this Module

Where to go from here

Quiz 6.2 (Lectures 6.10 - 6.11)

Quiz 6.3 (Lectures 6.12 - 6.14)

Quiz 6.4 (Lectures 6.15 - 6.17)