Engineering MaterialsEngineering MaterialsManufacturingManufacturingMr. O’RourkeMr. O’Rourke

MaterialsMaterials

Over 70,000 different kinds and grades of Over 70,000 different kinds and grades of engineering materialsengineering materials

This number grows dailyThis number grows daily

1,000 different materials1,000 different materials

make up an make up an

automobileautomobile

The Three Basics:The Three Basics:

MetalsMetals

PolymersPolymers CompositesComposites

CeramicsCeramics

MetalMetal

Cast IronCast Iron

SteelSteel Mild steel, medium carbon steel, high carbon steelMild steel, medium carbon steel, high carbon steel

Specialty steelSpecialty steel Stainless (tin plated or galvanized)Stainless (tin plated or galvanized)

Alloys (two or more pure metals)Alloys (two or more pure metals) Steel= iron & carbonSteel= iron & carbon Brass= copper & zincBrass= copper & zinc Bronze= copper & tinBronze= copper & tin

PolymersPolymers

Natural Natural Animal celluloseAnimal cellulose

Synthetic- Synthetic- ThermoplasticsThermoplastics ThermosetsThermosets

Natural CompositesNatural Composites

HardwoodHardwood Deciduous TreesDeciduous Trees

SoftwoodSoftwood ConiferousConiferous

CeramicsCeramics

Clay basedClay based Structural clay-tile, brickStructural clay-tile, brick PorcelainPorcelain

RefractoriesRefractories Heat resistant (fire bricks)Heat resistant (fire bricks)

GlassesGlasses

Inorganic cementsInorganic cements

HardwoodsHardwoods

AshAshBeechBeechBirchBirchCherryCherryMahoganyMahoganyMapleMapleOakOakPoplarPoplarwalnutwalnut

SoftwoodsSoftwoods

CedarCedar

CypressCypress

FirFir

PinePine

RedwoodRedwood

SpruceSpruce

Manufactured WoodManufactured Wood

Particle BoardParticle Board flake board, particle boardflake board, particle board

LaminarLaminar plywood, laminated beamsplywood, laminated beams

Lumber FactsLumber Facts