Materials 3rd post


                            MATERIALS
·Mindomo:


https://www.mindomo.com/mindmap/materials-propertis-f56f6c718aa1486794c2bc8b0ba5da0c

Definitions and examples:

-Hardness Resistance is scratching and pressure. Hardwood does not mark as easily as softwood.
-Strength Amount of force needed to break a material usually by pushing or pulling down.
-Toughness Resistance to breaking by cracking, opposite to ‘brittle’.
-Stiffness Amount of force needed to change the shape of a material, opposite to flexible.
-Elasticity Ability is the ability to return its original shape when a force is removed eg rubber band.
-Plasticity Ability is the ability to retain the new shape when a force is removed eg plasticene. Absorbency Ability of a material is to soak up a liquid.

-Waterproof Resistance is the resistance of materials to liquids, repels water.

·Some innovative materials:

-Aerogels
-Superhydrophobic materials
-Hyperdinamonds
-Metallic glass
-Metallic foam

·Video:

https://www.powtoon.com/c/eHp9ZhdZefr/1/m

·Opinion about the video:

I think that those properties are very important in ordain because without them we cannot built ships and we can't protect ourselfs from rain.



















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