Zusammenfassung der Ressource
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