Smart And Modern Materials

Question 1

What are photochromic inks?

Answer 1

Inks that change due to the amount of UV exposure

Question 2

What are smart springs? What are some examples?

Answer 2

A spring that changes due to temperature or electrical current.
- used in vehicle suspension, blinds, windows, bins

Question 3

What are photochromatic materials?

Answer 3

Materials that change when exposed to Light or UV

Question 4

When can photochromic materials be used?

Answer 4

• sunglasses
• car windows
• windows that change from opaque to transparent

Question 5

What is smart grease?

Answer 5

Lubricating gel (WD40)

Question 6

What is electro-rheostatic (ER) and magneto-rheostatic (MR) materials?

Answer 6

Thick fluids that change to solid when exposed to magnetic or electrical fields.

Question 7

What are electro-rheostatic (ER) and magneto-rheostatic (MR) materials used for?

Answer 7

• prosthetic limbs
• exercise equipment
• reducing noise in engines

Question 8

What is polymorph?

Answer 8

Granular then when heated to 62 degrees in water can be moulded into different shapes before being dried as a solid
- commonly used with detailed 3D patterns or ergonomic handles

Question 9

What are thermochromic inks?

Answer 9

Inks that change colour due to temperature