Materials Revision Material Properties and their definitions Strength

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Materials Revision

Materials Revision

Material Properties and their definitions • Strength-? • Hardness-? • Toughness-? • Elasticity-? •

Material Properties and their definitions • Strength-? • Hardness-? • Toughness-? • Elasticity-? • Malleability-? • Ductility-? • Electrical Conductivity-? • Thermal Conductivity-? Fusibility-? Density-? Absorbency-?

Which of these is a ‘Softwood’? • Oak • Beech • Pine • Birch

Which of these is a ‘Softwood’? • Oak • Beech • Pine • Birch What is the difference between a Softwood and a Hardwood?

What are the properties of Beech that make it suitable for a kitchen work

What are the properties of Beech that make it suitable for a kitchen work surface? • • •

Which wood is often used to make models? • Pine • Redwood • Balsa

Which wood is often used to make models? • Pine • Redwood • Balsa • Oak • Teak Is it a hardwood or a softwood?

Plywood is what type of wood? • What are it’s properties? Why do we

Plywood is what type of wood? • What are it’s properties? Why do we make plywood instead of just using natural woods? Where might you see plywood being used?

What do we mean when we say a metal is: • Malleable? • Ductile?

What do we mean when we say a metal is: • Malleable? • Ductile? • Tough? • Hard? • Elastic? • Conductive? You need to understand what these words mean and use them when describing materials

What is the name we give to metals which contain Iron? • Rusty •

What is the name we give to metals which contain Iron? • Rusty • Grey • Irony • Ferrous Name 3 metals which are Ferrous

What are the key properties of metals? • •

What are the key properties of metals? • •

What is the name of a mixture of two or more metals? • Substitution

What is the name of a mixture of two or more metals? • Substitution • Suspension • Alloy • Non Ferrous Why do we make alloys?

What is the name of a polymer that can only be heated and moulded

What is the name of a polymer that can only be heated and moulded once? • Thermoforming • Poly Vinyl Chloride • Thermosetting • Flexible What might be made from such a polymer? What properties make it suitable for this use?

Name two Thermoforming and two Thermosetting Polymers • • What can you say about

Name two Thermoforming and two Thermosetting Polymers • • What can you say about the properties of each?

Name a method of moulding Polymers • What might be made using this method?

Name a method of moulding Polymers • What might be made using this method? Why is this method suitable for making this product? Is this a Mass/Batch or One off production method?

What are the properties of Corrugated card that make it suitable for packaging? •

What are the properties of Corrugated card that make it suitable for packaging? • •

What is the difference between a paper and a board? • One is smoother

What is the difference between a paper and a board? • One is smoother than the other • You can use one for packaging • One has a gsm of over 200 • One can be written on more easily What are the different types of board?

Research materials and their properties • Use either your blue book or www. technologystudent.

Research materials and their properties • Use either your blue book or www. technologystudent. com to revise materials • Look at • Woods, Metals, Polymers • Paper, Board and Timber • Textiles and Manufactured Boards

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