AQA PD: Material applications and properties

Hardness is ....

• the ability to absorb impact without force

• the ability to resist abrasive wear

• the ability to be permanently deformed

• the ability to withstand deformation by compression

What is Fusibility?

• The ability to join well with other materials

• The ability to convert from a solid to a liquid state

• The ability to withstand environmental attack

• A form of electrical conductivity

Select the correct suitability statements for the product shown

• Lightweight making it easier to carry

• Ferrous material meaning it will not rust

• Can be finished with paint for added protection and aesthetic

• Malleable

Why is Aluminium used for a drinks can?

• It is silver so easy to print onto

• It is malleable

• It is food safe

• It degrades quicker over time

What makes softwoods like pine more suitable to use than hardwoods

• Pale in colour

• They grow faster

• Denser grained so stronger

• They are lighter

What is an alloy?

• A mixture of two or more materials

• A metal coated with another metal

• A mixture of two or more metals

• A non ferrous and/or a ferrous metal

Why might PET be used to make a drinks bottle?

• It’s is recyclable

• It is made from sustainable polymers

• Impermeable to carbon dioxide

• Tough wearing

A Smart Material is......

• A material that learns How to adapt its properties over time

• A material that can adapt it’s properties based on the consumer using it

• A material that changes properties based on the environment

What test might the diagram be showing?

• Charpy

• Rockwell

• Tensile

• Toughness

Which of the following NDT’s would be best for finding a crack in an PCB?

• Ultrasonic testing

• X-ray testing

• Electrical testing

• Thermal conductivity