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Materials - Coggle Diagram
Materials
Properties of Materials
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Mechanical strenght
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There are several types of strength: Tensile strenght, compressive strength, flexural strenght, torsional strength and shear strength.
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Raw Materials
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They are classified into three main categories: animal, vegetable and mineral.
Raw Materials are transformed by physical and chemical processes into the various types of material that are used for manufacturing.
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Chemical process: is when a substance is transformed into a different substance with different characteristics. The composition of the material changes.
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Manufactured goods
A textbook, exercise book, chair, desk, etc...are all examples of manufactured goods.
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manufacturing process
- We get raw matenals from nature
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- We process them to make material
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- We make goods with these materials
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Chemical properties
We can see these properties when the chemical composition of a material changes because it interacts with other substances.
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Technical materials: Wood, metals, plastics, textiles,stone,ceramic