Material Processing
Description
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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
Chaque cours fonctionne comme un manuel interactif en proposant des vidéos préenregistrées, des quiz et des projets.
Aide de la part de vos pairsConnectez-vous à des milliers d'autres étudiants et débattez sur des idées, discutez le contenu du cours et obtenez de l'aide pour en maîtriser les concepts.
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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
- Lecture: Learning Outcomes
- Lecture: Consent Form
- Lecture: Get from Georgia Tech
- Video: 1.1 Introduction
- Video: 1.2 One-Component Phase Diagrams and Gibbs Phase Rule
- Video: 1.3 Regions of Two Phase Equilibrium
- Video: 1.4 Additional One-Component Phase Diagrams
- Video: 1.5 Binary Isomorphous Phase Diagrams
- Video: 1.6 The Lever Rule
- Video: 1.7 Phase Fractions
- Video: 1.8 Equilibrium Cooling Curves
- Video: 1.9 Equilibrium Isomorphous Diagrams
- Video: 1.10 Analysis of a Phase Diagram
- Video: 1.11 Deviations from Ideal Behavior
- Video: 1.12 Eutectic Phase Diagram
- Video: 1.13 Determination of Phase Boundaries
- Video: 1.14 Eutectic Microstructure Development
- Video: 1.15 Equilibrium Cooling of an Off-Eutectic Alloy
- Video: 1.16 Equilibrium Cooling of an Off-Eutectic Alloy - Calculations
- Video: 1.17 Microstructure Development in an Off-Eutectic Alloy
- Video: 1.18 Invariant Reactions in Two Component Systems
- Video: 1.19 Peritectic Phase Diagrams
- Video: 1.20 Analysis of Complex Phase Diagrams
- Video: 1.21 Monotectic Phase Diagrams
- Video: 1.22 Phase Separation and Critical Points
- Video: 1.23 Solid State Reactions
- Video: 1.24 Summary of Invariant Reactions in Two-Component Systems
- Video: 1.25 Summary
- Lecture: Supplemental Materials for this Module
- 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
- Video: 2.1 Introduction
- Lecture: Learning outcomes
- Video: 2.2 The Concept of a Driving Force
- Video: 2.3 Homogeneous Nucleation
- Video: 2.4 Undercooling and the Barrier to Homogeneous Nucleation
- Video: 2.5 Random Clusters in the Liquid
- Video: 2.6 Nucleation and Growth
- Video: 2.7 Wetting
- Video: 2.8 Heterogeneous Nucleation
- Video: 2.9 Heterogeneous Nucleation - Spherical Cap Approximation
- Video: 2.10 Heterogeneous Nucleation - Sodium Acetate Demonstration
- Video: 2.11 Heterogeneous Nucleation - Applications
- Video: 2.12 Homogeneous and Heterogeneous Nucleation
- Video: 2.13 Types of Interfaces
- Video: 2.14 Johnson, Mehl, and Avrami (JMA) Equation
- Video: 2.15A Calculations Using the JMA Equation Part 1
- Video: 2.15B Calculations Using the JMA Equation Part 2
- Video: 2.16 Application of the JMA Equation
- Video: 2.17 Developing High Strength Alloys
- Video: 2.18 The Iron-Carbon System
- Video: 2.19 Diffusional/DiffusionlessTransformations
- Video: 2.20 Heat Treating a Plain Carbon Eutectoid Steel
- Video: 2.21 Formation of Pearlite in Eutectoid Steel
- Video: 2.22 Formation of Bainite in a Eutectoid Steel
- Video: 2.23 Formation of Martensite
- Video: 2.24 Heat Treatments of Austenite Decomposition Products
- Video: 2.25 Isothermal Transformation (IT) Diagrams for a Eutectoid Steel
- Video: 2.26 Off-Eutectoid Isothermal Transformation (IT) Diagrams
- Video: 2.27 4340 Isothermal Transformation (IT) Diagram
- Video: 2.28 Continuous Transformation (CCT) Diagrams
- Video: 2.29 Precipitation Hardening in Al-Cu Alloys
- Video: 2.30 Nonequilibrium Solidification
- Video: 2.31 Sintering
- Video: 2.32 Summary
- Lecture: Supplemental Materials for this Module
- 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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