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TECHNOLOGICAL MATERIALS, TOOLS AND WOOD
Descripción
Mapa Mental sobre TECHNOLOGICAL MATERIALS, TOOLS AND WOOD, creado por marco lorenzo el 09/03/2020.
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marco lorenzo
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marco lorenzo
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Resumen del Recurso
TECHNOLOGICAL MATERIALS, TOOLS AND WOOD
RAW MATERIAL
Are products extracted directly from nature
Animals
Plants
Mineral origin
Air
water
NATURAL AND PROCESSED MATERIALS
Raw materials + Industrial process
=
processed materials
synthetic
artificial
A technological product is an object made using materials, designed by humans to meet a specific need
PROPERTIES OF THE MATERIALS
Mechanical properties
Hardness
The resistance of a body to being pierced or scratched by anothr body
Material´s behabiour when subjected to stress and loads
Mechanical Resistance
Ability of a body to reset teh forces applied to whitouth breaking or changing in shape
Thougness
Body resistance to being changed, deformed or broken
Brittleness
Ability of an objet to break easily, without being deformed hardly at all
Elasticity
Ability of a material to return to its original shape after being deformed under external forces after they stop
Plasticity
Ability of a body to become permanently deformed without breaking, once its elactic limit has been exceed
Thermal properties
How the materials behaves when subjeted to heat
Expansion
Increase of the size with its temperature rises
Thermal Conductivity
Ability to transmit heat
Environmental properties
Impact of the material on the environment
Toxicity
How stron a poison or toxin is
Environmental Hazard
Level of toxi effect a contaminant has on an ecoystem
Recycalbility
Possibility of reusing a material for either the same purpose it was made for or a different one
Biodegrability
Ability to naturally decompose
TOOLS
Objects designed to carry out mechanical work and tasks
WOOD
Fibrous Material that trees are made of
Cellulose
ligning
Parts of the trunk
Types of Wood
Non Resinous
Resinous
Properties of Wood
Hardness
Soft and Easy to scratch
Thermal and Electrical insulation
Good insulator
Flexibility
Abailabilty to be deformed in the direction of the fibres without breaking
Density
Ratio of Mass to Volume
Not dense
Resistance
Good for building
Forms of wood
Natural Woods
Prefabricated wood
Woodworking Tools
Cutting Tools
Basic Hand saws
Machine Tools
Hacksaws
Impact Tools
Hammers
Mallets
Assembly Tools
Spanners
Screwdrivers
Shaving and drilling Tools
Planning and Levelling
Boring
Machine Tools
Smothing
Recursos multimedia adjuntos
Capture (binary/octet-stream)
Capture (binary/octet-stream)
Capture (binary/octet-stream)
Capture (binary/octet-stream)
Capture (binary/octet-stream)
Hacksaws (binary/octet-stream)
Machine+Tools+2 (binary/octet-stream)
Hammers (binary/octet-stream)
Boring (binary/octet-stream)
Machine+Tools (binary/octet-stream)
Malllets (binary/octet-stream)
Spanners (binary/octet-stream)
Screwdrivers (binary/octet-stream)
Planning+And+Leveling (binary/octet-stream)
Smoothing (binary/octet-stream)
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