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Materials - Coggle Diagram
Materials
Technical Materials
Wood
Metals
Plastics
Textiles
Stone
Ceramics
Physical Properties of Materials
Electrical properties
Electrical Conductivity
Electrical Insulation
Thermal properties
Thermal Conductivity
Expansion and contraction
Fusibility
Welding
Acoustic Properties
Acoustic conductivity
Acoustic insulators
Magnetic properties
Magnetism
Optical and mechanical properties
Optical
Translucent
Transparent
Opaque
Mechanical
Mechanical properties
Mechanical strength
What happens to a material when external forces are applied
Elasticity and plasticity
Elasticity allows the material to return to its original form after a force that has changed its shape is removed
Plasticity allows it to be permanently deformed
Malleability and ductility
Malleability is the ability of a substance to be hammered or rolled into thin sheets
Ductility is a measure of how readily a material can be drawn into a wire
Other material properties
Hardness
A hard material isn't easily scratched by another material
Toughness and brittleness
Tougghness is the resistance to breaking that a material shows when hit by something
Brittleness is the opposite, when the material breaks easily
Density
Density is the relationship between the mass of an object and its volume.
Porosity
Some mateials can also absorb or release liquids or gases. Wood, some stones and ceramic materials are porous (They contain tiny holes called pores). This property is related to density: if a material is more porous, it's less dense.
Permeability and impermeability
Permeable
Some materials allow water or other liquids to filter throught them. An earthenware jug containing liquid, or a wet cloth becomes wet because they're made from permeable materials.
Impermeable
Some materials don't allow water or other liquids to filter through them. For instance, glass is impermeable, so liquids stored in bottles don't escape. Plastics and cork are also impermeable, or waterproof.
Raw Materials
Are substances that are extracted directly from natural objects.
Clasification
Animal origin
Vegetable origin
Mineral origin
Raw materials to materials
Physical Process
When a substance changes its state but the chemical composition doesn't change
Chemical Process
When a substance is transformed into a different substance with different characteristics. The chemical composition changes
Chemical and ecological properties
Chemical
Chemical properties
Oxidation
Ecological
Recyclable materials
Toxic materials
Biodegradable materials
Manufactured goods
Manufacturing process
Get raw materials
Get raw materials from nature
Process Them
Process them to make materials
Make goods
Make goods with these materials
