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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 first 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.

Cursos 100 % en línea

Comienza de inmediato y aprende a tu propio ritmo.

Approx. 14 hours to complete

Sugerido: 5 hours/week
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Subtítulos: English

Cursos 100 % en línea

Comienza de inmediato y aprende a tu propio ritmo.

Approx. 14 hours to complete

Sugerido: 5 hours/week
Comment Dots


Subtítulos: English

Syllabus - What you will learn from this course


2 hours to complete

Introduction [Difficulty: Easy || Student Effort: 1hr 30mins]

This module will introduce the core principles of materials science. Topics that will be covered include the different general material types (metal, ceramic, polymer, etc.) and the properties associated with each type, some methods that are used to experimentally determine and quantify a material's properties, and how a materials engineer might go about choosing a suitable material for a simple application. This module also introduces the concept of the microstructure-processing-properties relationship which is at the heart of all materials science. ...
14 videos (Total 70 min), 4 readings, 2 quizzes
Video14 videos
1.2 Metals8m
1.3 Ceramics5m
1.4 Polymers6m
1.5 Semiconductors3m
1.6 Composites5m
1.7 Correlated Properties2m
1.8 Materials Design Paradigm2m
1.9 Application to Product Design6m
1.10A Mechanical Tests Part 11m
1.10B Mechanical Tests Part 211m
1.10C Mechanical Tests Part 32m
1.10D Mechanical Tests Part 46m
1.11 Conclusion1m
Reading4 readings
Learning Outcomes10m
Consent Form10m
Supplemental Materials for this Module10m
Get More from Georgia Tech10m
Quiz2 practice exercises
Quiz 1.1 (Lectures 1.1 - 1.5)20m
Quiz 1.2 (Lectures 1.6 - 1.10)20m


4 hours to complete

Atomic Structure and Bonding [Difficulty: Easy || Student Effort: 2hrs]

In this module, we will discuss the structure of the atom, how atoms interact with each other, and how those interactions affect material properties. We will explore how the types of atoms present in a material determine what kind of bonding occurs, what differentiates the three types of primary bonds - metallic, ionic, and covalent, and the implications of the type of bonding on the material microstructure. You will learn how atoms arrange themselves as a natural result of their size and bonding. This knowledge will provide you with a foundation for understanding the relationship between a material's microstructure and its properties. ...
18 videos (Total 112 min), 3 readings, 4 quizzes
Video18 videos
2.2 Atomic Structure8m
2.3 Periodic Chart and Electron Orbitals8m
2.4 Modification for Atoms & Crystals6m
2.5 Primary Bonds5m
2.6A Ionic Bonds Part 17m
2.6B Ionic Bonds Part 27m
2.6C Ionic Bonds Part 35m
2.7A Radius Ratio & Coordination Number Part 14m
2.7B Radius Ratio & Coordination Number Part 24m
2.7C Radius Ratio & Coordination Number Part 33m
2.8 Covalent Bonds7m
2.9 Mixed Bonds7m
2.10 Weak Bonds6m
2.11A Basic Thermodynamics Part 18m
2.11B Basic Thermodynamics Part 26m
2.12 Basic Kinetics7m
2.13 Conclusion0m
Reading3 readings
Learning Outcomes10m
Supplemental Materials for this Module10m
Earn a Georgia Tech Badge/Certificate/CEUs10m
Quiz4 practice exercises
Quiz 2.1 (Lectures 2.1 - 2.5)20m
Quiz 2.2 (Lectures 2.6 - 2.9)20m
Quiz 2.3 (Lectures 2.10 - 2.11)20m
Quiz 2.4 (All Module 2 Lectures)20m


4 hours to complete

Crystalline Structure [Level of Difficulty: Medium || Student Effort: 2hrs 30mins]

This module covers how atoms are arranged in crystalline materials. Many of the materials that we deal with on a daily basis are crystalline, meaning that they are made up of a regularly repeating array of atoms. The "building block" of a crystal, which is called the Bravais lattice, dtermines some of the physical properties of a material. An understanding of these crystallographic principles will be vital to discussions of defects and diffusion, which are covered in the next module. ...
21 videos (Total 143 min), 2 readings, 4 quizzes
Video21 videos
3.2 Symmetry7m
3.3 2-Dimensional Symmetry7m
3.4 2-Dimensional Symmetry - Lattice and Basis4m
3.5 Crystal Systems and Bravais Lattices9m
3.6 Why the Bravais Lattice?9m
3.7 FCC Hard Sphere Model5m
3.8 BCC Hard Sphere Model5m
3.9 Calculating Density6m
3.10 Hard Sphere Packing3m
3.11 Hard Sphere Packing - Visualization5m
3.12 Miller Indices - Directions8m
3.13 Miller Indices - Planes7m
3.14 Miller Indices - Additional Planes of Interest2m
3.15 Linear and Planar Densities7m
3.16 Crystals with 2 Atoms per Lattice Point6m
3.17 Crystals with 2 Ions or 2 Different Atoms per Lattice Point7m
3.18 Crystals with Several Atoms per Lattice Point9m
3.19 Polycrystalline Materials and Liquid Crystals10m
3.20 X-Ray Diffraction and Crystal Structure14m
3.21 Summary1m
Reading2 readings
Learning Outcomes10m
Supplemental Materials for this Module10m
Quiz4 practice exercises
Quiz 3.1 (Lectures 3.1 - 3.6)20m
Quiz 3.2 (Lectures 3.7 - 3.12)20m
Quiz 3.3 (Lectures 3.13 - 3.16)20m
Quiz 3.4 (Lectures 3.17 - 3.20)20m


4 hours to complete

Point Defects and Diffusion [Level of Difficulty: Medium || Student Effort: 2hrs 30mins]

In the previous module, we learned how the lattice structure of a crystalline material in part determines the properties of that material. In this module, we will begin to learn how defects - deviations from the expected microstructure - also have a large effect on properties. This module covers one-dimensional, or point, defects which can be missing atoms (vacancies) or excess atoms (interstitial solution) or the wrong type of atom at a lattice point (substitutional solution). Building on these concepts, part of this module will cover diffusion - the movement of atoms through the crystal structure. ...
19 videos (Total 136 min), 2 readings, 3 quizzes
Video19 videos
4.2 Point Defects6m
4.3 Point Defects in Ionic and Covalent Materials5m
4.4 Substitutional Solid Solutions9m
4.5 Solid Solutions - Vegard's Law8m
4.6 Fick's First Law10m
4.7 Self Diffusion7m
4.8 Interstitial Solid Solutions9m
4.9 Discussion Question5m
4.10 Grain Boundary Effects8m
4.11 Grain Boundaries as Short Circuit Paths6m
4.12 Diffusion in Polymers3m
4.13 Fick's Second Law - The Thin Film Solution8m
4.14 Fick's Second Law - Modifications to the Thin Film Solution7m
4.15 Case Hardening a Gear7m
4.16 Case Hardening a Gear - Example Problem9m
4.17 Development of a Useful Approximation4m
4.18 Appllication to Engineering Materials9m
4.19 Summary4m
Reading2 readings
Learning Outcomes10m
Supplemental Materials for this Module10m
Quiz3 practice exercises
Quiz 4.1 (Lectures 4.1 - 4.6)20m
Quiz 4.2 (Lectures 4.7 - 4.12)20m
Quiz 4.3 (All Module 4 Lectures)40m


4 hours to complete

Linear, Planar, and Volumetric Defects [Level of Difficulty: Medium || Student Effort: 2hrs 40mins]

This module covers two- and three-dimensional defects such as dislocations, grain boundaries, and precipitates. The discussion extends to explain how deformation of a material is accommodated at the microscopic level. We will finish by addressing how the presence and properties of defects can increase or decrease the strength of a material....
23 videos (Total 149 min), 2 readings, 4 quizzes
Video23 videos
5.2 Normal and Shear Forces4m
5.3 Edge Dislocations7m
5.4 Dislocations and the Burgers Vector9m
5.5 Critical Resolved Shear Stress8m
5.6 Burgers Vector and Slip Planes5m
5.7 Slip Systems in FCC Crystals2m
5.8 Possible Slip in FCC Crystals5m
5.9 Calculations in an FCC Crystal5m
5.10 The Thompson Tetrahedron3m
5.11 Dislocations in Action5m
5.12 Calculations in a BCC Crystal8m
5.13 Slip in Hexagonal Systems11m
5.14 Application to Polycrystalline Materials2m
5.15 Dislocation Boundaries - Low Angle Boundaries4m
5.16 Dislocation Behavior8m
5.17 Dislocations in Ionic Materials5m
5.18 Grains, Grain Boundaries, and Surfaces12m
5.19 Strengthening Mechanisms - Solute5m
5.20 Strengthening Mechanisms - Dislocations8m
5.21 Strengthening Mechanisms - Grain Size6m
5.22 Strengthening Mechanisms - Volume (Precipitates)7m
5.23 Summary5m
Reading2 readings
Learning Outcomes10m
Supplemental Materials for this Module10m
Quiz4 practice exercises
Quiz 5.1 (Lectures 5.1 - 5.8)20m
Quiz 5.2 (Lectures 5.9 -5.15)20m
Quiz 5.3 (Lectures 5.16 - 5.19)20m
Quiz 5.4 (Lectures 5.20 - 5.22)20m


4 hours to complete

Noncrystalline and Semicrystalline Materials [Level of Difficulty: Medium || Student Effort: 2hrs 30mins]

In this module, we discuss materials that are not fully crystalline, such as polymers, rubbers, and glasses. You will learn how the absence of crystallinity affects the behavior of these materials and what factors affect their formation and properties. Lessons include discussions of the microstructure and defects in amorphous materials, partial cystallinity in polymers, and demonstrations of materials exhibiting ductile and brittle behavior at different temperatures. ...
24 videos (Total 146 min), 3 readings, 3 quizzes
Video24 videos
6.2 Glass Transition Temperature9m
6.3 The Kauzmann Paradox3m
6.4 Viscosity9m
6.4b Pitch Drop Website1m
6.5 Viscosity Behavior of Oxide Glasses7m
6.6 Defects in SiO23m
6.7 Structure of Oxide Glass5m
6.8 Zachariasen's Rules6m
6.9 Soda Lime Silicate10m
6.10 Polymers and the Glass Transition Temperature5m
6.11 Classification of Polymers2m
6.12 Nature of the Bond6m
6.13 Molecular Weight Averages7m
6.14 Chain Architecture4m
6.15 Semicrystalline Materials8m
6.16 Factors Affecting Crystallinity in Polymers8m
6.17 Coiling in Polymers5m
6.18 Demonstration of Oxide Glass Crystallization2m
6.19 Rubbery Behavior in Polymers6m
6.20 Amorphous Metals9m
6.21 Methods of Producing Amorphous Metals8m
Racquetball Demonstration3m
6.22 Summary3m
Reading3 readings
Learning Outcomes10m
Supplemental Materials for this Module10m
Where to go from here10m
Quiz3 practice exercises
Quiz 6.2 (Lectures 6.10 - 6.11)20m
Quiz 6.3 (Lectures 6.12 - 6.14)20m
Quiz 6.4 (Lectures 6.15 - 6.17)20m

Top Reviews

By SSMar 30th 2018

Material Behavior is a key subject for material studies and also very important for the mechanical engineering career. This course is very helpful and very easy to understand the hole concepts.

By JLJun 17th 2016

The course was excellent. A lot of in-depth material, beyond even what I remember from college. Coverage of polymer systems in addition to the usual metals was very nice, and the



Thomas H. Sanders, Jr.

Regents' Professor

About Georgia Institute of Technology

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