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2345147
METALS
Description
Mind Map on METALS, created by a.gonzalez.3.rod on 23/03/2015.
No tags specified
tecnologia
technology
metals
2eso
Mind Map by
a.gonzalez.3.rod
, updated more than 1 year ago
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Created by
a.gonzalez.3.rod
over 9 years ago
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Resource summary
METALS
Physical properties
strong
ductile
tough
plastic
electrical
magnetic
fusible
expansión/ contraction
chemical properties
oxidation
ecological properties
recyclable
toxic
Obtaining metals
surface mining
underground mining
Types of materials
ferrous
pure iron
cast iron
steel
non-ferrous
light and ultralight metals
heavy metals
Shaping techniques
shaping
rolling
extrusion
forging
press forging
punching
bending
wire drawing
powder metallurgy
1.metal into powder
2.metal pressed into dies
3.heated to metals melting point
4.pressure is applied
5.object left to cool
casting
process
1.metal heated
2.metal poured into the mould
3.left to cool until solidification
4.piece extracted from the mould
centrifugal casting
Cutting, joining and finishing
marking
cutting
drilling
power tolos for cutting
shaping
rough finishing
power tools for rough finishing
permanent joints
temporary joints
finishes
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