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Mind Map
by
Jorge Navarro Fidalgo
, created
more than 1 year ago
Techologies ESO I oxford education Unit 6 --> Metals
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technology
tecnología
metales
metals
bilingüismo
oxford education
eso
universidad
Created by
Jorge Navarro Fidalgo
over 10 years ago
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2336698
mind_map
2017-05-03T14:27:59Z
Metals
Properties
Obtention
Clasification
Working with
metals
hard
often shiny
non-adhesive
cold and smooth
surface mining
underground mining
metals are taken from
minerals contained in
rocks
ferrous
non-ferrous
are common
contain iron
alloys
mixture of 2 or more chemical
element
the primary element is a
metal
iron alloys
(by adding
carbon)
Pure iron
Steel
Cast iron
not much carbon
a lot of carbon
harder and stronger than
iron
light and
ultra-light
heavy
aluminium
titanium
magnesium
lead
zinc
tin
bronze
copper
brass
shaping
rolling
extrusion
forging and press
forging
punching
bending
wire drawing
powder metallurgy
casting and
centrifugal
casting
marking
cutting
drilling
joints
shaping/turning
rough finishing
finishes
centre punch
circular saw
drill
chisel
file
permanent
temporary
rivet
adhesives
press fit joint
welding
nuts and bolts
screws
threaded stay bolts
keyed joints
splined shafts
sliding joints
grinding
lapping
polishing
buffing
coatings
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2336698
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2017-05-03T14:27:59Z
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