Material Processing

Material Processing

Instructor: Thomas H. Sanders, Jr.

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Assessments

7 assignments

Taught in English

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There are 2 modules in this course

Have you ever wondered why ceramics are hard and brittle while metals tend to be ductile? Why some materials conduct heat or electricity while others are insulators? Why adding just a small amount of carbon to iron results in an alloy that is so much stronger than the base metal? In this course, you will learn how a material’s properties are determined by the microstructure of the material, which is in turn determined by composition and the processing that the material has undergone.

This is the second of three Coursera courses that mirror the Introduction to Materials Science class that is taken by most engineering undergrads at Georgia Tech. The aim of the course is to help students better understand the engineering materials that are used in the world around them. This first section covers the fundamentals of materials science including atomic structure and bonding, crystal structure, atomic and microscopic defects, and noncrystalline materials such as glasses, rubbers, and polymers.

This course picks up with an overview of basic thermodynamics and kinetics as they pertain to the processing of crystalline materials. The first module deals with phase diagrams - charts that tell us how a material will behave given a certain set of variables such as temperature, pressure, and composition. You will learn how to interpret common and complex phase diagrams and how to extract useful information from them.

What's included

25 videos5 readings4 assignments

25 videosTotal 180 minutes

1.1 Introduction1 minutePreview module
1.2 One-Component Phase Diagrams and Gibbs Phase Rule11 minutes
1.3 Regions of Two Phase Equilibrium8 minutes
1.4 Additional One-Component Phase Diagrams3 minutes
1.5 Binary Isomorphous Phase Diagrams8 minutes
1.6 The Lever Rule9 minutes
1.7 Phase Fractions6 minutes
1.8 Equilibrium Cooling Curves7 minutes
1.9 Equilibrium Isomorphous Diagrams6 minutes
1.10 Analysis of a Phase Diagram5 minutes
1.11 Deviations from Ideal Behavior10 minutes
1.12 Eutectic Phase Diagram10 minutes
1.13 Determination of Phase Boundaries7 minutes
1.14 Eutectic Microstructure Development8 minutes
1.15 Equilibrium Cooling of an Off-Eutectic Alloy7 minutes
1.16 Equilibrium Cooling of an Off-Eutectic Alloy - Calculations6 minutes
1.17 Microstructure Development in an Off-Eutectic Alloy6 minutes
1.18 Invariant Reactions in Two Component Systems6 minutes
1.19 Peritectic Phase Diagrams9 minutes
1.20 Analysis of Complex Phase Diagrams12 minutes
1.21 Monotectic Phase Diagrams5 minutes
1.22 Phase Separation and Critical Points6 minutes
1.23 Solid State Reactions11 minutes
1.24 Summary of Invariant Reactions in Two-Component Systems2 minutes
1.25 Summary1 minute

5 readingsTotal 50 minutes

Learning Outcomes10 minutes
Consent Form10 minutes
Get More from Georgia Tech10 minutes
Supplemental Materials for this Module10 minutes
Earn a Georgia Tech Badge and CEUs10 minutes

4 assignmentsTotal 110 minutes

Quiz 1.1 (Lessons 1.1 - 1.8)20 minutes
Quiz 1.2 (Lessons 1.9 - 1.12)30 minutes
Quiz 1.3 (Lessons 1.13 - 1.17)30 minutes
Quiz 1.4 (Lessons 1.18 - 1.24)30 minutes

If thermodynamics, which we covered in the previous module, tells us how a material wants to change, then kinetics tells us how and how quickly that transformation occurs. This module starts by explaining the driving force for phase transformations. We will cover the nucleation and growth of precipitates, solidification, and sintering. Finally, there are a number of lessons which apply all that has been covered in the course to understanding carbon steels.

What's included

33 videos3 readings3 assignments

33 videosTotal 225 minutes

2.1 Introduction5 minutesPreview module
2.2 The Concept of a Driving Force6 minutes
2.3 Homogeneous Nucleation6 minutes
2.4 Undercooling and the Barrier to Homogeneous Nucleation4 minutes
2.5 Random Clusters in the Liquid7 minutes
2.6 Nucleation and Growth9 minutes
2.7 Wetting5 minutes
2.8 Heterogeneous Nucleation5 minutes
2.9 Heterogeneous Nucleation - Spherical Cap Approximation7 minutes
2.10 Heterogeneous Nucleation - Sodium Acetate Demonstration2 minutes
2.11 Heterogeneous Nucleation - Applications4 minutes
2.12 Homogeneous and Heterogeneous Nucleation6 minutes
2.13 Types of Interfaces12 minutes
2.14 Johnson, Mehl, and Avrami (JMA) Equation7 minutes
2.15A Calculations Using the JMA Equation Part 14 minutes
2.15B Calculations Using the JMA Equation Part 24 minutes
2.16 Application of the JMA Equation7 minutes
2.17 Developing High Strength Alloys6 minutes
2.18 The Iron-Carbon System7 minutes
2.19 Diffusional/DiffusionlessTransformations6 minutes
2.20 Heat Treating a Plain Carbon Eutectoid Steel2 minutes
2.21 Formation of Pearlite in Eutectoid Steel9 minutes
2.22 Formation of Bainite in a Eutectoid Steel5 minutes
2.23 Formation of Martensite9 minutes
2.24 Heat Treatments of Austenite Decomposition Products2 minutes
2.25 Isothermal Transformation (IT) Diagrams for a Eutectoid Steel6 minutes
2.26 Off-Eutectoid Isothermal Transformation (IT) Diagrams7 minutes
2.27 4340 Isothermal Transformation (IT) Diagram5 minutes
2.28 Continuous Transformation (CCT) Diagrams13 minutes
2.29 Precipitation Hardening in Al-Cu Alloys9 minutes
2.30 Nonequilibrium Solidification12 minutes
2.31 Sintering8 minutes
2.32 Summary3 minutes

3 readingsTotal 30 minutes

Learning outcomes10 minutes
Supplemental Materials for this Module10 minutes
Where to go from here10 minutes

3 assignmentsTotal 90 minutes

Quiz 2.1 (Lessons 2.1 - 2.5)30 minutes
Quiz 2.2 (Lessons 2.6 - 2.10)30 minutes
Quiz 2.3 (Lessons 2.11 - 2.15)30 minutes

Instructor

Instructor ratings

4.7 (231 ratings)

Thomas H. Sanders, Jr.

Georgia Institute of Technology

2 Courses63,096 learners

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Georgia Institute of Technology

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Reviewed on May 25, 2020

very good display each content and well describe each topic, one should easily understand. thanks, sir g provide free access of course.

Reviewed on Aug 30, 2023

I would like thanks to Georgia Institute of Technology, specially Professor Thomas H. Sanders Jr. and Coursera to providing a skill enhance platform and opportunities.

Reviewed on Dec 28, 2020

my name is Suman Kishor Bharti , i am a mechanical engineering student and in my 4 th semester material science is a subject , wich is very similar to this course

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