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IDT 203MANUFACTURING

From Greek word:• Metallon = ‘ mine,quarry,metal’

Element,compound,alloy – good conductor

Shiny,malleable and ductile

METAL

Aluminium

Antimony

Bronze

Cobalt

Copper

Gold

Iron

Lead

TYPE OF METAL

Lithium

Magnesium

Mercury

Nickel

Platinum

Silver

Titanium

Zinc

aluminium antimony bronze

cobalt copper gold

iron lead

lithium megnesium mercury

nickel platinum silver

titanium zinc

METALS : calcium : copper

: lead

: aluminium

: zinc

: lithium

: potassium

COMMON METAL AND NON-METAL

NON - METAL : sulphur: oxygen

: chlorine

: hydrogen

: bromine

: nitrogen

: idelium

Metal-Strong

-Malleable and ductile

-High melting and boiling points

-Good conductor of heat

-Shiny when polish

-React with oxygen to form basic oxides

CHARACTERISTIC

Non-Metal-React with oxygen to form acidic oxides

-Dull sound when hit with hammer

-Low melting and boiling point

-Poor condustors of electricity

-Dull looking

-Low density

Ferrous• From Latin word = ‘Contain iron’

• Use in large quantity

• Include pure iron

• Wrought iron

• Alloy ( steel )

• Magnetic

• Non-magnetic is stainless steels

Non-ferrous• Non-magnetic

• Cobalt and nickel are exceptions

CATEGORIES OF METAL

Base Metal• zinc,

• Reacting with an acid

• Use to refer to a metal

• Oxidizes or Corrodes relatively easily

• React variably with

• Dilute hydrochloric acid ( HCI ) to form Hydrogen

• Example : iron,nickel,lead

Noble Metal• Resistance to corrosion or oxidation

• Perceived rarity

• Examples :

• Gold

• Platinium

• Silver

• Rhodium

Precious Metal• Rare melallic chemical element of high economic value

• Less reactive

• High important as currency

• Is a Gold and Silver

• Include platinium group metal:

• Ruthenuim,Rhodium,Palladium,Osmium,Iridium.

Iron• Used for strength application

• Wrought iron contain

• less then 0.2% carbon

• Cast iron between 2-4% carbon

• Iron with a carbon content between 0.2-2% is classified as steel.

Iron

Examples of Iron

Cooking panTraditional equipments

Aluminium• Is a alloy

• Easy to form

• Readily available

• Inexpensive

• Recyclable

Aluminium

Examples of Aluminium

Laptop Drinking Can Laptop’s Cover

Copper• Have a number of properties that make them useful

• Include :

• High electrical

• Thermal conductivity

• High ductility

• Good corrosion resistance

Copper

Copper Coil

Copper Spring

Titanium• Alloy

• Strength in higher temperature ( ~1000’ F ) application

• When component weight is a concern

Titanium

Titanium Alloy

Titanium Rods

Nickel• Alloy

• Use for higher temperature ( ~1500-2000’ F ).

• When good corrosion resistance is required.

Nickel

Coin

Nickel Titanium Alloy

METAL- Made into jewellery due to their hard and shiny appearance

-Used to make pans due to good conductor of heat

-Malleable,ductile and good conductor of electricity and used in electrical cables

USES OF METAL AND NON-METAL

NON – METAL-Used as insulating material around wire cables since they do not conduct electricity

-Used to make pans handles as they are poor of conductors of heat