Chapter 11- Manipulating And Combining Materials Flashcards

1
Q

Light – emitting materials

A

Electroluminescent- emergency exits, electric current passed through
Fluorescent materials produce light when exposed to UV rays
Phosphorescent materials produced light as a result of being exposed to a light source. Only after light source removed

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2
Q

Modern materials

Those that have been developed over the past 50 years

A

Mixture of materials- composites
Carbon fibre, fibre optics, waterproof and breathable
Kevlar- same weight as steel but even harder, plastics
PCL- low melting point, biodegradeable, morphed by hand modelled

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3
Q

Smart materials- colour changing

A

Photochromic- change colour in responsive to light

Thermochromic – change colour in response to changes in temperature

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