Smart And Modern Materials

Question 1

Shape memory polymer

Answer 1

Acrylic, when heated it can be shaped and when cooled, it will stay that shape unless reheated

Question 2

SMA, shape memory alloy

Answer 2

Nitinol, most common use is wire, stays the shape of wire unless it is heated to its transition temperature when it returns to its original shape

Question 3

Polymorph

Answer 3

Thermoplastic supplied in granular form, the granules become soft in hot water which allows you to mould them by hand. Perfect for handles that need to be ergonomically shaped and no glue needed as they shrink when cooled.

Question 4

Thermochromic materials

Answer 4

They change colour at certain temperatures. The material is incorporated into special ink and then printed onto plastics. Uses: thermometers