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Materials Science: 10 Things Every Engineer Should Know

Approx. 9 hours to complete

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Course Summary

This course covers the basics of materials science, including the structure and properties of materials, as well as how they can be manipulated for various applications.

Key Learning Points

Learn about the different types of materials and their properties
Understand how materials can be manipulated for various applications
Gain knowledge in the structure of materials

Learning Outcomes

Understand the properties and structure of different types of materials
Learn how to manipulate materials for various applications
Gain knowledge in materials science and engineering

Prerequisites or good to have knowledge before taking this course

Basic knowledge of physics and chemistry
Access to a computer and internet connection

Course Difficulty Level

Intermediate

Course Format

Online
Self-paced
Video lectures

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Description

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

Outline

Course Overview / The Menu of Materials / Point Defects Explain Solid State Diffusion
Course Introduction
Six Categories of Engineering Materials
Structure Leads to Properties
Summary
Crystallography and the Electron Microscope
Introduction to the Arrhenius Relationship
The Arrhenius Relationship Applied to the Number of Vacancies in a Crystal
Point Defects and Solid State Diffusion
The Arrhenius Relationship Applied to Solid State Diffusion
Summary
Thing 1
Thing 2

Dislocations Explain Plastic Deformation / Stress vs. Strain -The “Big Four” Mechanical Properties
Defining a Linear Defect - the Dislocation
Plastic Deformation by Dislocation Motion
Summary
The Stress versus Strain (Tensile) Test
The “Big Four” Mechanical Properties
Focusing on Strength and Stiffness
Beyond the Tensile Strength
Focusing on Ductility
A Fifth Parameter – Toughness
Summary
Thing 3
Thing 4

Creep Deformation / The Ductile-to-Brittle Transition
Definition of Creep Deformation
The Creep Curve
Creep Deformation and the Arrhenius Relationship
Mechanisms for Creep Deformation
Summary
The Ductile-to-Brittle Transition and Crystal Structure
Plotting the Ductile-to-Brittle Transition
Summary
Thing 5
Thing 6

Fracture Toughness / Fatigue
Introducing the Concept of Critical Flaws
Fracture Toughness and the Design Plot
Critical Flaw Size and the Design Plot
A Play of Good versus Evil!
Summary
Introduction to Fatigue
Defining Fatigue
The Fatigue Curve and Fatigue Strength
Mechanism of Fatigue
Summary
Thing 7
Thing 8

Making Things Fast and Slow / A Brief History of Semiconductors
Introduction to Phase Diagrams
The Lead-Tin Phase Diagram
The Competition Between Instability and Diffusion
The TTT Diagram for Eutectoid Steel
Diffusional Transformations
Diffusionless Transformations
Summary
A Brief History
The Intrinsic Semiconductor
The Extrinsic Semiconductor
Combined Intrinsic and Extrinsic Behavior
Summary
Thing 9
Thing 10
Ten Things Final

Summary of User Reviews

Discover the fascinating world of materials science with this comprehensive online course. Students praise the course for its engaging content and knowledgeable instructors.

Key Aspect Users Liked About This Course

The course is praised for its engaging content

Pros from User Reviews

Knowledgeable instructors
Comprehensive coverage of materials science
Engaging and interactive course content

Cons from User Reviews

Some users found the course to be too technical
Course materials could be more organized
Limited opportunities for interaction with other students
Some users felt the course was too basic for their level of expertise

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