TECNOLOGIA

Ona Barrufet
Mind Map by , created about 3 years ago

tecnologia 3er ESO

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Ona Barrufet
Created by Ona Barrufet about 3 years ago
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TECNOLOGIA
1 Propietats
1.1 Strength (resistència)
1.1.1 capacity of a material suporting forces. (metal)
1.2 Toughness (tenacitat)
1.2.1 material that does not break when reciving a sudden shock. (glass)
1.3 Elasticity
1.3.1 materia that deforms when a force is applied. (rubber)
1.4 Plasticity
1.4.1 Ductility
1.4.1.1 ability of a material to deform under tenile stress. (steel)
1.4.2 Malleability
1.4.2.1 ability of a material to deform under compressive stress. (gold)
1.5 Hardness (duresa)
1.5.1 ability of a material to resist scratching, being cut or perfored. (diamond)
2 Stress
2.1 Tension
2.1.1 when an object is pulled with two forces, acting in diferent directions. (cables)
2.2 Compression
2.2.1 when an object is pushed with two diferent forces acting in opposite direction. (columns)
2.3 Flexion
2.3.1 an object, one in under compression and the other under tension. (beams)
2.4 Torision
2.4.1 when an object is twisted by the action of two diferent forces.
2.5 Shear (cisallament)
2.5.1 two opposite forces act in the same part of the object, trying to cut it

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