We explore “10 things” that range from the menu of materials available to engineers in their profession to the many mechanical and electrical properties of materials important to their use in various engineering fields. We also discuss the principles behind the manufacturing of those materials.
By the end of the course, you will be able to:
* Recognize the important aspects of the materials used in modern engineering applications,
* Explain the underlying principle of materials science: “structure leads to properties,”
* Identify the role of thermally activated processes in many of these important “things” – as illustrated by the Arrhenius relationship.
* Relate each of these topics to issues that have arisen (or potentially could arise) in your life and work.
If you would like to explore the topic in more depth you may purchase Dr. Shackelford's Textbook:
J.F. Shackelford, Introduction to Materials Science for Engineers, Eighth Edition, Pearson Prentice-Hall, Upper
Saddle River, NJ, 2015
Welcome to week 1! In lesson one, you will learn to recognize the six categories of engineering materials through examples from everyday life, and we’ll discuss how the structure of those materials leads to their properties. Lesson two explores how point defects explain solid state diffusion. We will illustrate crystallography – the atomic-scale arrangement of atoms that we can see with the electron microscope. We will also describe the Arrhenius Relationship, and apply it to the number of vacancies in a crystal. We’ll finish by discussing how point defects facilitate solid state diffusion, and applying the Arrhenius Relationship to solid state diffusion.
What's included
10 videos2 assignments
Show info about module content
10 videos•Total 41 minutes
Course Introduction•3 minutes
Six Categories of Engineering Materials•8 minutes
Structure Leads to Properties•6 minutes
Summary•2 minutes
Crystallography and the Electron Microscope•7 minutes
Introduction to the Arrhenius Relationship•6 minutes
The Arrhenius Relationship Applied to the Number of Vacancies in a Crystal•4 minutes
Point Defects and Solid State Diffusion•3 minutes
The Arrhenius Relationship Applied to Solid State Diffusion•3 minutes
Welcome to week 2! In lesson three we will discover how dislocations at the atomic-level structure of materials explain plastic (permanent) deformation. You will learn to define a linear defect and see how materials deform through dislocation motion. Lesson four compares stress versus strain, and introduces the “Big Four” mechanical properties of elasticity, yield strength, tensile strength, and ductility. You’ll assess what happens beyond the tensile strength of an object. And you’ll learn about a fifth important property – toughness.
What's included
10 videos2 assignments
Show info about module content
10 videos•Total 34 minutes
Defining a Linear Defect - the Dislocation•5 minutes
Plastic Deformation by Dislocation Motion•8 minutes
Summary•0 minutes
The Stress versus Strain (Tensile) Test•4 minutes
The “Big Four” Mechanical Properties•3 minutes
Focusing on Strength and Stiffness•4 minutes
Beyond the Tensile Strength•4 minutes
Focusing on Ductility•2 minutes
A Fifth Parameter – Toughness•2 minutes
Summary•1 minute
2 assignments•Total 60 minutes
Thing 3•30 minutes
Thing 4•30 minutes
Creep Deformation / The Ductile-to-Brittle Transition
Module 3•2 hours to complete
Module details
Welcome to week 3! In lesson five we’ll explore creep deformation and learn to analyze a creep curve. We’ll apply the Arrhenius Relationship to creep deformation and identify the mechanisms of creep deformation. In lesson six we find that the phenomenon of ductile-to-brittle transition is related to a particular crystal structure (the body-centered cubic). We’ll also learn to plot the ductile-to-brittle transition for further analysis.
What's included
8 videos2 assignments
Show info about module content
8 videos•Total 34 minutes
Definition of Creep Deformation•2 minutes
The Creep Curve•5 minutes
Creep Deformation and the Arrhenius Relationship•9 minutes
Mechanisms for Creep Deformation•3 minutes
Summary•1 minute
The Ductile-to-Brittle Transition and Crystal Structure•7 minutes
Plotting the Ductile-to-Brittle Transition•5 minutes
Summary•2 minutes
2 assignments•Total 60 minutes
Thing 5•30 minutes
Thing 6•30 minutes
Fracture Toughness / Fatigue
Module 4•2 hours to complete
Module details
Welcome to week 4! In lesson seven we will examine the concept of critical flaws. We’ll define fracture toughness and critical flaw size with the design plot. We’ll also distinguish how we break things in good and bad ways. Lesson eight explores the concept of fatigue in engineering materials. We’ll define fatigue and examine the fatigue curve and fatigue strength. We’ll also identify mechanisms of fatigue.
What's included
10 videos2 assignments
Show info about module content
10 videos•Total 43 minutes
Introducing the Concept of Critical Flaws•3 minutes
Fracture Toughness and the Design Plot•8 minutes
Critical Flaw Size and the Design Plot•5 minutes
A Play of Good versus Evil!•5 minutes
Summary•1 minute
Introduction to Fatigue•2 minutes
Defining Fatigue•6 minutes
The Fatigue Curve and Fatigue Strength•5 minutes
Mechanism of Fatigue•6 minutes
Summary•1 minute
2 assignments•Total 60 minutes
Thing 7•30 minutes
Thing 8•30 minutes
Making Things Fast and Slow / A Brief History of Semiconductors
Module 5•2 hours to complete
Module details
Welcome to week 5! In lesson nine we’ll deal with how to make things fast and slow. We’ll examine the lead-tin phase diagram and look at its practical applications as an example of making something slowly. Then we’ll evaluate the TTT diagram for eutectoid steel, and compare diffusional to diffusionless transformations with the TTT diagram, monitoring how we make things rapidly. Lesson ten is a brief history of semiconductors. Here, we discuss the role of semiconductor materials in the modern electronics industry. Our friend Arrhenius is back again, and this time we’re applying the Arrhenius Relationship to both intrinsic and extrinsic semiconductors. We’ll also look at combined intrinsic and extrinsic behavior.
What's included
12 videos3 assignments
Show info about module content
12 videos•Total 55 minutes
Introduction to Phase Diagrams•10 minutes
The Lead-Tin Phase Diagram•2 minutes
The Competition Between Instability and Diffusion•4 minutes
The TTT Diagram for Eutectoid Steel•6 minutes
Diffusional Transformations•3 minutes
Diffusionless Transformations•4 minutes
Summary•1 minute
A Brief History•7 minutes
The Intrinsic Semiconductor•5 minutes
The Extrinsic Semiconductor•7 minutes
Combined Intrinsic and Extrinsic Behavior•4 minutes
Summary•1 minute
3 assignments•Total 90 minutes
Thing 9•30 minutes
Thing 10•30 minutes
Ten Things Final•30 minutes
Instructor
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4·
Reviewed on Nov 23, 2016
It is a really good course. I would recommend it to everyone interested in materials or engineering. This course helped me get a better understanding of some fundamental concepts of engineering.
S
SS
4·
Reviewed on Apr 12, 2020
The portion that teaches about phase diagrams, particularly about the TTT diagrams were not easily understood. Could have gone into a little bit of detail to make concepts more easy to digest
D
DL
4·
Reviewed on Jul 30, 2020
The course is nice and allows me to recover my 20-year old university knowledge (some topics) rapidly. I found some new and interesting things as well. Merci for the good materials to Instructor.
What will I actually learn in this materials science course?
You'll learn how engineers connect a material's structure to its properties, performance, and method of manufacture. It starts with the main classes of engineering materials and atomic-scale behavior, then builds into mechanical performance, failure, heat treatment, and semiconductor behavior. For example, you'll learn to read stress-strain curves and phase diagrams so you can explain why materials perform differently in real applications.
Do I need any background before starting this course?
You don't appear to need prior materials science coursework, though some comfort with basic chemistry, physics, and graphs will help. The course moves into crystal structures, stress-strain behavior, and the Arrhenius relationship fairly quickly, so it's easier if ideas like atoms, bonds, and temperature effects aren't completely new. If you're already studying engineering or a related science, the pace will likely feel more natural.
Is this course beginner-friendly for materials science?
It's beginner-friendly for materials science if you're comfortable with basic science ideas and want a broad engineering overview. The course starts with material categories and structure-property relationships, then uses them to explain deformation, fracture, heat treatment, and semiconductors. If you want a slower introduction with lots of lab work or remedial science review, it may feel more compact than a course built for absolute beginners.
How long does it take to complete this course?
Plan on about 9 hours in total. That makes it a short course rather than a long commitment, with time divided between lessons and review quizzes. The workload is straightforward: you'll move through lessons, follow worked examples, and check your understanding in quizzes.
Are there hands-on exercises, projects, or labs in this course?
There aren't labs or open-ended projects. The practical side comes through short quizzes and instructor-led examples, such as interpreting stress-strain behavior or following how phase diagrams relate to processing. That setup works well if you want to apply each idea as you learn it, but it isn't the kind of course where you run experiments or complete a capstone.
What skills and topics are covered in this course?
You'll cover how materials are classified, how structure affects properties, and how temperature and processing change behavior over time. The course also spends time on mechanical performance and failure, including stress-strain analysis and fracture toughness, before moving into phase transformations and semiconductor conductivity. Overall, it's a broad survey of how engineers analyze, compare, and choose materials in real design contexts.
What can I actually do after finishing this course?
After finishing, you should be able to explain why a material behaves the way it does and discuss its likely strengths, limits, and processing needs. You'll be able to interpret common engineering views of materials, such as a stress-strain curve or a phase diagram, and connect them to issues like creep, fatigue, or brittle failure. That's a useful outcome if you want to make better sense of material choices and failure risks in engineering work.
Is this course more focused on theory or hands-on learning?
It's more concept-focused, with guided practice rather than hands-on labs. Most of the learning comes from explanation-rich lessons and worked examples, with quizzes to check that you can interpret the main ideas.
Why would I choose this course over other materials science courses?
James Shackelford teaches the subject through ten big ideas, so the course feels like a coherent tour of what engineers most need to know. Instead of staying narrow, it links structure, properties, failure, manufacturing, and semiconductor behavior in a compact sequence, with recurring examples like steel, solder, and electronic materials. Choose this course if you want a concise, concept-driven overview before moving into a more specialized or lab-heavy materials course.