Online Presentations (121-126 of 126)

1. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 3: Crystallographic Points, Directions, and Planes

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   Online Presentations | 22 Sep 2008 | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Crystallographic Points, Directions, and PlanesIssues to Address...How to define points, directions, planes, as well aslinear, planar, and volume densitiesDefine basic terms and give examples of each: Points (atomic positions) Vectors (defines a particular direction - plane normal) Miller Indices...

2. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 2: Structure of Ceramics

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   Online Presentations | 21 Sep 2008 | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Structure of CeramicsIssues to Address...Structures of ceramic materials: How do they differ from that of metals?Define basic terms and give examples of each: Lattice Basis Atoms (Decorations or Motifs) Crystal Structure Unit Cell Coordination Numbers Describe hard-sphere packing and identify...

3. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 1: Structure of Metals and Ceramics

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   Online Presentations | 19 Sep 2008 | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Structures of Metals and CeramicsGoals Define basic terms and give examples of each: Lattice Basis Atoms (Decorations or Motifs) Crystal Structure Unit Cell Coordination Numbers Describe hard-sphere packing and identify cell symmetry Crystals density: the mass per volume (e.g. g/cm3) Linear...

4. Illinois MatSE 280 Introduction to Engineering Materials, Lecture 2: Atomic Structure and Interatomic Bonding

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   Online Presentations | 18 Aug 2008 | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Refortify your chemistry - Atomic scale structuresGoals Define basic concepts: Filling of Atomic Energy Levels: Pauli Exclusion Principle Atomic Orbitals (s-, p-, d-, and f- type electrons) Types of Bonding between Atoms The Periodic Table (and solid state structures)...

5. Illinois MatSE 280 Introduction to Engineering Materials, Lecture 1: Materials: Their Properties and Failures

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   Online Presentations | 14 Aug 2008 | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   "Because without materials, there is no engineering"In this lecture we will discuss the following:- Units of Length- Six Major Classes of Materials- Periodic Table of Elements- Properties of Materials- Materials Science and Engineering in a Nutshell

6. Heat Transfer across Solid Contacts Enhanced with Nanomaterials

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   Online Presentations | 11 Feb 2008 | Contributor(s):: Timothy S Fisher

   This presentation will describe thermal transport processes at solid-solid material interfaces. An overview of applications in the electronics industry will serve to motivate the subject, and then the basic diffusive constriction theory will be developed. The addition of carbon nanotube arrays to...