LECTURE 3

 Metals

- Stiff Material

- Metals with fibrous: more ductile, malleable

- Metals with crystalline: more brittle

- With hammering and hot-working, they become more durable

- Though due to strength and ductility.

- High density and durable.

- Good conductors.

Funtions:

Structural: beam, column...

Covering: paneling, cladding...

Framing: Window, door

Installation: Pipes, flashing details

Finishing: Buil-in or movable furniture

Types of Metal

Ferrous metal: Iron

Pig Iron                               

 

Cast Iron: garden furniture

             

Wrought Iron: easily shaped

Steel: the basic oxygen steel

Alliminium : profiles u, L....

Brass: higher the zinc content, the harder and higher the tensile strength of the brass.
varak (çok incelevha)

Alpha brasses: decorative

Alpha-beta brasses: more strong

Bronze: expensive, rich brown in color, strong _ door furniture...