DT- From Book Metals Flashcards
What are two ways you can extract metals
Electrolysis or furnace heating
Name two ways that metals can be refined
Distillation and liquation
What are most cooking utensils made from
Stainless steel
why is stainless steel used for cooking utensils
Durable
Dishwahher safe
Heat resistant
Rust and corrosion resistant
Aesthetically pleasing
Food safe
What are hand tools made from
High carbon steel
why are hand tools made form high carbon steel
Strong
Tough
Resistant to abrasion
Malleable
Able to retain shape at high temp
Name 7 of the common stock forms when creating metal products
Sheet, rod, flat strip, tube, angle, channel, strip
What are 3 of the standard components when working with metals
Rivets, pop rivets, nuts and bolts
What are rivets used for
To join pieces/sheets of metal together
What are pop rivets used for
When only one side of the metal can be accessed
Where are pop rivets commonly used
Aeroplanes and bridges
How are pop rivets used
A pin is inserted through the rivet
The rivet is inserted into a hole
A rivet gun pulls the pin to snap it off
The force of this creates a head on the other side
What are machene screws used for
To temporarily join parts together
What are 3 sufrace treatments/ finishes
Dip coating, powder coating, galvanising
What is dip coating
Covering a metal with a thin layer of plastic
