About this Course
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Approx. 8 hours to complete

Suggested: 5 weeks, 3 hours per week...

English

Subtitles: English, Russian

Skills you will gain

MaterialsMechanical EngineeringEngineering DesignElectrical Engineering

100% online

Start instantly and learn at your own schedule.

Flexible deadlines

Reset deadlines in accordance to your schedule.

Approx. 8 hours to complete

Suggested: 5 weeks, 3 hours per week...

English

Subtitles: English, Russian

Syllabus - What you will learn from this course

Week
1
1 hour to complete

Course Overview / The Menu of Materials / Point Defects Explain Solid State Diffusion

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.

...
10 videos (Total 41 min), 2 quizzes
10 videos
Six Categories of Engineering Materials8m
Structure Leads to Properties5m
Summary2m
Crystallography and the Electron Microscope6m
Introduction to the Arrhenius Relationship5m
The Arrhenius Relationship Applied to the Number of Vacancies in a Crystal4m
Point Defects and Solid State Diffusion3m
The Arrhenius Relationship Applied to Solid State Diffusion2m
Summary36s
2 practice exercises
Thing 110m
Thing 224m
Week
2
1 hour to complete

Dislocations Explain Plastic Deformation / Stress vs. Strain -The “Big Four” Mechanical Properties

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.

...
10 videos (Total 34 min), 2 quizzes
10 videos
Plastic Deformation by Dislocation Motion8m
Summary13s
The Stress versus Strain (Tensile) Test3m
The “Big Four” Mechanical Properties3m
Focusing on Strength and Stiffness4m
Beyond the Tensile Strength4m
Focusing on Ductility1m
A Fifth Parameter – Toughness2m
Summary1m
2 practice exercises
Thing 38m
Thing 416m
Week
3
1 hour to complete

Creep Deformation / The Ductile-to-Brittle Transition

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.

...
8 videos (Total 34 min), 2 quizzes
8 videos
The Creep Curve5m
Creep Deformation and the Arrhenius Relationship8m
Mechanisms for Creep Deformation3m
Summary1m
The Ductile-to-Brittle Transition and Crystal Structure7m
Plotting the Ductile-to-Brittle Transition5m
Summary1m
2 practice exercises
Thing 516m
Thing 68m
Week
4
1 hour to complete

Fracture Toughness / Fatigue

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.

...
10 videos (Total 43 min), 2 quizzes
10 videos
Fracture Toughness and the Design Plot8m
Critical Flaw Size and the Design Plot5m
A Play of Good versus Evil!4m
Summary33s
Introduction to Fatigue1m
Defining Fatigue6m
The Fatigue Curve and Fatigue Strength5m
Mechanism of Fatigue5m
Summary1m
2 practice exercises
Thing 718m
Thing 812m
Week
5
2 hours to complete

Making Things Fast and Slow / A Brief History of Semiconductors

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.

...
12 videos (Total 55 min), 3 quizzes
12 videos
The Lead-Tin Phase Diagram1m
The Competition Between Instability and Diffusion4m
The TTT Diagram for Eutectoid Steel5m
Diffusional Transformations3m
Diffusionless Transformations4m
Summary1m
A Brief History7m
The Intrinsic Semiconductor4m
The Extrinsic Semiconductor6m
Combined Intrinsic and Extrinsic Behavior4m
Summary1m
3 practice exercises
Thing 920m
Thing 1014m
Ten Things Final40m
4.6
244 ReviewsChevron Right

27%

started a new career after completing these courses

15%

got a tangible career benefit from this course

Top reviews from Materials Science: 10 Things Every Engineer Should Know

By ZMJul 18th 2017

This course is good for engineers. It illustrated many fundemental and important concept in materials science. The teacher is great who explain nearly everthings in details with words and experiments.

By SSJul 25th 2017

It helped me a lot to have a basic idea about different types of materials, processing and properties. I earned basic knowledge about materials and I can teach these relevant topics to students

Instructor

Avatar

James Shackelford

Distinguished Professor Emeritus
Department of Chemical Engineering and Materials Science

About University of California, Davis

UC Davis, one of the nation’s top-ranked research universities, is a global leader in agriculture, veterinary medicine, sustainability, environmental and biological sciences, and technology. With four colleges and six professional schools, UC Davis and its students and alumni are known for their academic excellence, meaningful public service and profound international impact....

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