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Brittanie Duncan, Terry Alford, and Craig Smith

This specialization extends upon the initial introduction specialization, and like the other specialization, it introduces a limited number of new materials science and engineering concepts. Presentations are at the concept level without being marred in heavy mathematics. Topics in this specialization topic include strengthening of metal, polymers, ceramic materials, and composite. Some of the position titles that may benefit from this course include Materials Engineer, Chemical Engineer, Electrical Engineer, Aerospace Engineer, Materials Quality Control. Others who are want to explore the world of materials will find it helpful.

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What's inside

Four courses

Phase Diagrams

This course explores advanced details about phase diagrams, including the Fe-Fe3C phase diagram. We will use this diagram to predict the possible phases and microstructures of a steel alloy based on its composition.

Hardening, Polymers, Properties

This course introduces age hardening, polymer science, and polymer properties. Age hardening, nucleation, and crystal growth will be covered. Thermoplastic and thermosetting polymers will be compared. Strengthening mechanisms, synthesis methods, and polymer selection will be introduced. The glass transition temperature and its impact on thermal and mechanical properties will be explored.

Electrical Properties and Semiconductors

In this course, we will investigate the electrical properties of materials, classifying them as conductors, semiconductors, or insulators. We will examine examples of each type and identify the factors influencing their electrical behavior. Using basic band theory, we will demonstrate how temperature affects the conductivity of these materials. Additionally, we will explore the differences in electrical behavior between p-type and n-type semiconductors in a p-n diode.

Ceramics and Composites

This course introduces the major types of ceramics and their applications. We will explore glass strengthening methods, factors determining ceramic crystal structures, key characteristics of composite materials, and structures of fiber-reinforced composite materials. We will also discuss reasons for creating various types of composites.

Learning objectives

  • The use of principles of the fe-fe3c phase diagrams to predict microstructures and properties of carbon steel alloys.
  • The use of the phase diagram to strengthen alloy steels and be able to predict microstucture during age hardening.
  • Electrical properties of materials and, how/why semiconductors, insulators, and conductors are classified.

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