Please enable JavaScript.
Coggle requires JavaScript to display documents.
METALS (Cutting, joining and finishing technique (drilling ( awl ),…
METALS
PROPERTIES
non - adhesive
cold and smooth
hard
often shinny
OBTAINIG
Surface mining
Underground mining
FERROUS MATERIALS
inexpensive to extract
need processing to produce pure iron
common
used to make alloy
Pure iron and cast iron
( machinery parts, pistons, street lamps, drain covers, etc)
Steel
(is an alloy of iron containing a small quanuty of carbon)
manganese
nickel
silicon
tungsten
chrome
lead
non - ferrous materials
Light and ultra-light metals
magnesium
titanium
aluminium
Heavy metals
tin
zinc
lead
copper
bronze
brass
shaping techniques
SHAPPING
extrusion
forging
rolling
press forging
punching
bending
wire drawing
POWDER METALLURGY
CASTING
die casting
wax casting
sand casting
CENTRIFUGAL CASTING
Cutting, joining and finishing technique
drilling ( awl )
shaping / turning ( chisel )
power tools for cuting ( circular saw )
rough finishing ( file )
cutting ( Guillotine )
power tools for rough finishing ( sander )
permanent joints ( rivet )
temporary joints ( screws )
finishes ( polishing )
marking ( Scribers and centre punche )
