What are some of the advantages and disadvantages of using smart materials?

Answer 1

The main advantages of smart or active materials are:

1. High energy density (compared to pneumatic and hydraulic actuators)

2. Excellent bandwidth

3. Simplified packaging

4. Novel functions such as the huge volume change as a function of temperature exhibited by smart

gels

Answer 2

smart memory alloys remember the position they are put in. if you move them out of position and re heat them, they move back into the original position