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Structure of Materials
Rating: 4.3 out of 5(24 ratings)
102 students

Structure of Materials

Materials Science and Engineering
Last updated 12/2021
English

What you'll learn

  • Material Science and Engineering
  • Structure of Materials
  • Defects
  • Phase Diagrams

Course content

3 sections30 lectures4h 30m total length
  • Introduction4:50
  • Lecture 2: Materials Tetrahedron9:10
  • Lecture 3: Particle Wave Duality7:11

    Explore atomic to macro material structure, focusing on valence electrons and electronic structure. Demonstrate particle wave duality with double-slit and introduce x-ray diffraction and Bragg concepts for zombie lab.

  • Lecture 4: Bragg's Law and XRD Analysis12:25
  • Lecture 5: Intra and Inter Molecular Interactions11:38
  • Lecture 6: Distinguishing Between Intramolecular Interactions6:41

    Explore how electronegativity and valence electrons distinguish intramolecular and intermolecular bonding, covering covalent, ionic, polar covalent, metallic, and van der waals interactions with dipole concepts and mixed-character cases.

  • Lecture 7: Isomers, Conformers, and Stereoisomers12:14
  • Practice Questions and Solutions Section 120:59

    Analyze how annealing changes titanium structure and dislocation density, linking processing to properties and performance with SEM and diffraction insights, and discuss bonding types, polymer structures, and molecular interactions.

Requirements

  • Undergraduate Math and Physics Concepts

Description

In this course we will examine the fundamentals of the atomistic structure of materials and the effect of defects in these materials. Starting at the angstrom length scale we will first exam bonding specifically determining the difference between intramolecular and intermolecular interactions. Additionally, these interactions will be differentiated between the energy of interactions and electronegativity. We will then build upon these concepts to and apply this to X-Ray diffraction. Building up to the nanometer length scale we will examine the structural motifs in crystalline materials specifically how we develop unit cells of simple cubic, body centered cubic, and face centered cubic. Finally, we will examine 0, 1, 2, and 3D defects in materials. For 0D defects we will examine and investigate vacancies, interstitial, and how to calculate the equilibrium concentrations of these defects as well as the Arrhenius temperature dependence. Additionally, 0D Kroger-Vink notation for writing defects in ionic crystals. Both intrinsic and extrinsic defects will be investigated. For 1D defects we will focus primarily on edge and screw defects. These defects can be determined by drawing Burger’s circuits in a plane to find the type of defect. For 2D and 3D defects we will examine grain boundaries and voids.

Who this course is for:

  • Undergraduate Engineering Students