Канал: Scott Ramsay

I got doored! So I CT scanned my carbon fiber bike fork!

c to a ratio for hexagonal close packed (HCP)

Cation to anion radius ratio for tetrahedral interstitial site

Tetrahedral symmetry, tetrahedral interstitial site, bond angle in methane, diamond cubic, silicon

76 The iron carbon system (screen only)

75 Deriving the Lever Rule (screen only)

73 A first look at phase diagrams (screen only)

59 The diamond cubic crystal structure

My Teaching from home video set-up

HCl Cannon, short

34 Mechanical behaviour of polymers

30 The Boltzmann Distribution and vacancies

29 Point Defects

31 Lattice strain around Dislocations

28 Introduction to Imperfections

26 Mechanism for plastic deformation in metals

32 Interfacial defects

33 3 Dimensional defects

25 Yield, tensile strengths and necking

27 Dislocation Movement

24 From Crystals to Properties

21 Simple Cubic Interstitial Site

23 Coordination Number for FCC

22 PbSe Crystal Structure Predicition

18 2 Hexagonal Close Packed

18 The Octahedral Site

20 APF in FCC and BCC

16 Ceramic Density Calculations

17 Body Centred Cubic BCC

14 Theoretical Density of Al

10 Materials Selection for Helicoptor Rotor

08 Bend Testing Ceramics

12 Structure of Solids and FCC

09 Modulus vs Density Chart

11 Introduction to Ordered Solids

13 Fractional atoms in FCC

07 Introduction to Permanent Deformation

05 The Tensile Test

04 Atomic Definition of Young's Modulus

03 Stress & Strain

01 The Three Material Classes

02 Hooke's Law

Bed-of-nails, short

Dry Ice Explosion, short

CO2 Three phase explosion

15 Rock Salt Ceramic Crystal Structure

The Calcium Fluorite ceramic (Ionic) crystal structure

Internal energy and the first law of thermodynamics

Porosity in ceramics and the stress concentration factor

Three-point bending for ceramics

Mechanical behaviour of ceramics

Scott and Shai Duel

Materials in Prop Design for Film, part 3

Materials in Prop Design for Film, part 1

Materials in Prop Design for Film, part 2

Perovskite Crystal Structure

Calcium Fluorite Crystal Structure

Other crystal systems

The zinc blende or ZnS crystal structure

Interstitial sites

Diamond cubic crystal structure

Stress concentration in ketchup package

sp3 hybridized orbitals in methane, diamond

All that glitters has no or a small band gap

Extrinsic and intrinsic semiconductors

The band theory of solids

Ordered solids revisited - energy for formation of a crystal

The metallic bond

The Ionic Bond

The covalent bond

Quantum numbers - allowable values

The 4 quantum numbers - an intuitive description

The electromagnetic spectrum

What can we see through?

Chain orientation while stretching a plastic bag

Polymer viscoelasticity and the relaxation modulus

Influence of time and temperature on polymers

Electric dipoles and the secondary bond

Strengthening of polymers by engineering crystallinity

Strengthening of polymers 1

Mer units as the building blocks of polymers

Mechanical behavior of polymers

The concept of a scientific model

Mechanism for plastic deformation in metals

Mechanical behaviour of metals

Ductility, toughness and resilience

Atom packing in 3, 2, and 1 dimensions

Ordered solids, short range and long range order

The direction of contact between atoms in rock salt

Density of solids and an introduction to microstructure

Plastic Deformation

But what is Young's Modulus, really?

Elastic Behaviour

Engineering Stress & Strain

The stable octet (octet rule, octet stability)

Fluorescent lights, highlighters and streetlamps

Atomic structure - the Bohr model

The optical transparency of Plexiglas (R) or poly(methy methacrylate))

Three dimensional or volume defects and precipitation hardening

Area defects and strengthening by grain size reduction

One dimensional or linear defects (dislocations) and strain hardening

Zero dimensional or point defects and solid solution strengthening

True stress, true strain and work hardening

The stress-strain behaviour of metals

The rock salt crystal structure and the theoretical density of ceramics

The face centered cubic crystal structure and the theoretical density of metals

Elastic modulus versus density chart

EdTech 2015 at the University of Toronto - How to Beat a Cat: Effective Educational Video Formats

Jun riding into pool 2

Example Problem - David Fe Ag overall composition

Example Problem - David Al-Au primary and eutectic amounts

Example Problem - Megan - Uranium Gallium primary and eutectic amounts

Example Problem - Megan - sketch hypoeutectoid steel

Uniform and non-uniform deformation in metals

$Derivation of Bragg's Law for X-Ray diffraction$

Derivation of Bragg's Law for X-Ray diffraction

$Planar packing fraction (factor) for the body centred cubic (111) plane$

Planar packing fraction (factor) for the body centred cubic (111) plane

$Planar packing fraction (factor) for the face centred cubic (110) plane$

Planar packing fraction (factor) for the face centred cubic (110) plane

Atomic packing factor in body centred cubic

$Planar packing fraction (factor) for the body centred cubic (100) plane$

Planar packing fraction (factor) for the body centred cubic (100) plane

$Planar packing fraction (factor) for the face centred cubic (100) plane$

Planar packing fraction (factor) for the face centred cubic (100) plane

Calculation of the a-to-r ratio for diamond cubic

Lattice parameter in terms of atomic radius for face centered cubic

$Planar packing fraction (factor) for the face centred cubic (111) plane$

Planar packing fraction (factor) for the face centred cubic (111) plane

C to a ratio for hexagonal close packed (c/a=1.63)

$Basic fracture mechanics$

Basic fracture mechanics

Introduction to Fracture and the Stress Concentration Factor

Microstructure Evolution in Isomorphous Systems

A Systematic Approach to Phase Diagrams

Derivation of the Lever Rule

The Body Centered Cubic Crystal Structure

The Face Centred Cubic Crystal Structure

Introduction to Crystal Structures

Working with Crystallographic Planes and Miller Indices

Working with Crystallographic Directions

A Short Introduction to Crystallographic Directions

Directions in Hexagonal Systems, Annotated Tablet

Directions in Hexagonal Systems, Talking Head

Directions in Hexagonal Systems, chalkboard

October 2008 Test 1 Q9 XRD

October 2008 test 1 Q9b

Phase Diagram Example from Dec 2010 Final Q4c

Phase Diagram Example from Dec 2010 MSE101 Final Q4b

Iron Carbon phase diagram, Nov 2008 test 2, Q4

Crystal Structure Review

Theoretical density calculation of BeS (zincblende crystal structure)

Crystallographic Plane in Cubic System example problem

Iron Carbon Phase Diagram example problem