Notes

Material Properties and Engineering vs True Stress & Strain

An introduction to material properties, how to perform a tensile test, engineering and true stress and strain, poisson's ratio and hardening

Hardness, Toughness, Creep & Fatigue

Brinell and VIckers hardness, investigating toughness, the charpy impact test, creep resistance, creep curves, creep law, fatigue cracks.

Bonding

Ionic, covalent, metallic & van der Waals bonds, including molecular, macromolecular & hydrogen bonding, interatomic forces & bond energies.

Crystal Structures

The Hard Sphere Model, packing in 2 & 3 dimensions, Simple cubic, BCC, FCC, HCP lattices and atomic density.

Defects & Deformation of Crystal Structures

Slip & slip systems in HCP, FCC BCC lattices, point, line & area defects, edge & screw dislocations, grain boundaries & strengthening.

Non-Ferrous Alloys & Strengthening

Types of alloying, complete & partial solid solutions, equilibrium phase diagrams, eutectic point, solid solution & precipitation hardening.

Ferrous Alloys & Strengthening

Steels, cast iron, ferrite, austenite, cementinte, pearlite, bainite, normalising, quenching, tempering, tempered martensite, eutectoid.

Ceramics

Crystal structure and properties of ceramics, degree of ionic character, bending tests, manufacturing ceramics, pressing and sintering.

Polymers

Polymer structure, thermoplastics, thermosets, elastomers, tensile & temperature dependent properties of polymers, plastic creep & failure.

Composites

Composite structure & types, critical fibre length, fibre volume fraction, isostrain/isostress, metal matrix, ceramic matrix, polymer matrix