Material Processing

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About 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…

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When you enroll for courses through Coursera you get to choose for a paid plan or for a free plan

  • Free plan: No certicification and/or audit only. You will have access to all course materials except graded items.
  • Paid plan: Commit to earning a Certificate—it's a trusted, shareable way to showcase your new skills.

About 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.

Created by:  Georgia Institute of Technology
  • Taught by:  Thomas H. Sanders, Jr., Regents' Professor

    School of Materials Science and Engineering
Language English How To Pass Pass all graded assignments to complete the course. User Ratings 4.7 stars Average User Rating 4.7See what learners said Travail en cours

Chaque cours fonctionne comme un manuel interactif en proposant des vidéos préenregistrées, des quiz et des projets.

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Georgia Institute of Technology The Georgia Institute of Technology is one of the nation's top research universities, distinguished by its commitment to improving the human condition through advanced science and technology. Georgia Tech's campus occupies 400 acres in the heart of the city of Atlanta, where more than 20,000 undergraduate and graduate students receive a focused, technologically based education.

Syllabus


WEEK 1


Phase Diagrams and Phase Equilibria



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.


25 videos, 5 readings expand


  1. Lecture: Learning Outcomes
  2. Lecture: Consent Form
  3. Lecture: Get from Georgia Tech
  4. Video: 1.1 Introduction
  5. Video: 1.2 One-Component Phase Diagrams and Gibbs Phase Rule
  6. Video: 1.3 Regions of Two Phase Equilibrium
  7. Video: 1.4 Additional One-Component Phase Diagrams
  8. Video: 1.5 Binary Isomorphous Phase Diagrams
  9. Video: 1.6 The Lever Rule
  10. Video: 1.7 Phase Fractions
  11. Video: 1.8 Equilibrium Cooling Curves
  12. Video: 1.9 Equilibrium Isomorphous Diagrams
  13. Video: 1.10 Analysis of a Phase Diagram
  14. Video: 1.11 Deviations from Ideal Behavior
  15. Video: 1.12 Eutectic Phase Diagram
  16. Video: 1.13 Determination of Phase Boundaries
  17. Video: 1.14 Eutectic Microstructure Development
  18. Video: 1.15 Equilibrium Cooling of an Off-Eutectic Alloy
  19. Video: 1.16 Equilibrium Cooling of an Off-Eutectic Alloy - Calculations
  20. Video: 1.17 Microstructure Development in an Off-Eutectic Alloy
  21. Video: 1.18 Invariant Reactions in Two Component Systems
  22. Video: 1.19 Peritectic Phase Diagrams
  23. Video: 1.20 Analysis of Complex Phase Diagrams
  24. Video: 1.21 Monotectic Phase Diagrams
  25. Video: 1.22 Phase Separation and Critical Points
  26. Video: 1.23 Solid State Reactions
  27. Video: 1.24 Summary of Invariant Reactions in Two-Component Systems
  28. Video: 1.25 Summary
  29. Lecture: Supplemental Materials for this Module
  30. Lecture: Earn a Georgia Tech Badge and CEUs

Graded: Quiz 1.1 (Lessons 1.1 - 1.8)
Graded: Quiz 1.2 (Lessons 1.9 - 1.12)
Graded: Quiz 1.3 (Lessons 1.13 - 1.17)
Graded: Quiz 1.4 (Lessons 1.18 - 1.24)

WEEK 2


Kinetics of Structural Transformations



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.


33 videos, 3 readings expand


  1. Video: 2.1 Introduction
  2. Lecture: Learning outcomes
  3. Video: 2.2 The Concept of a Driving Force
  4. Video: 2.3 Homogeneous Nucleation
  5. Video: 2.4 Undercooling and the Barrier to Homogeneous Nucleation
  6. Video: 2.5 Random Clusters in the Liquid
  7. Video: 2.6 Nucleation and Growth
  8. Video: 2.7 Wetting
  9. Video: 2.8 Heterogeneous Nucleation
  10. Video: 2.9 Heterogeneous Nucleation - Spherical Cap Approximation
  11. Video: 2.10 Heterogeneous Nucleation - Sodium Acetate Demonstration
  12. Video: 2.11 Heterogeneous Nucleation - Applications
  13. Video: 2.12 Homogeneous and Heterogeneous Nucleation
  14. Video: 2.13 Types of Interfaces
  15. Video: 2.14 Johnson, Mehl, and Avrami (JMA) Equation
  16. Video: 2.15A Calculations Using the JMA Equation Part 1
  17. Video: 2.15B Calculations Using the JMA Equation Part 2
  18. Video: 2.16 Application of the JMA Equation
  19. Video: 2.17 Developing High Strength Alloys
  20. Video: 2.18 The Iron-Carbon System
  21. Video: 2.19 Diffusional/DiffusionlessTransformations
  22. Video: 2.20 Heat Treating a Plain Carbon Eutectoid Steel
  23. Video: 2.21 Formation of Pearlite in Eutectoid Steel
  24. Video: 2.22 Formation of Bainite in a Eutectoid Steel
  25. Video: 2.23 Formation of Martensite
  26. Video: 2.24 Heat Treatments of Austenite Decomposition Products
  27. Video: 2.25 Isothermal Transformation (IT) Diagrams for a Eutectoid Steel
  28. Video: 2.26 Off-Eutectoid Isothermal Transformation (IT) Diagrams
  29. Video: 2.27 4340 Isothermal Transformation (IT) Diagram
  30. Video: 2.28 Continuous Transformation (CCT) Diagrams
  31. Video: 2.29 Precipitation Hardening in Al-Cu Alloys
  32. Video: 2.30 Nonequilibrium Solidification
  33. Video: 2.31 Sintering
  34. Video: 2.32 Summary
  35. Lecture: Supplemental Materials for this Module
  36. Lecture: Where to go from here

Graded: Quiz 2.1 (Lessons 2.1 - 2.5)
Graded: Quiz 2.2 (Lessons 2.6 - 2.10)
Graded: Quiz 2.3 (Lessons 2.11 - 2.15)
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