Smart Materials

Question 1

Is Nickel a Shape Memory Alloy?

-Oscar Mabon

Answer 1

Yes

Question 2

Is Titanium a Shape Memory Alloy?

-Oscar Mabon

Answer 2

Yes

Question 3

Is Steel a Shape Memory Alloy?

-Oscar Mabon

Answer 3

No

Question 4

Is Aluminium a Shape Memory Alloy?

-Oscar Mabon

Answer 4

No

Question 5

Is Plastic a Shape Memory Alloy?

-Oscar Mabon

Answer 5

No

Question 6

What is nitinol an alloy of?

-Krystian S

Answer 6

Titanium and Nickel

Question 7

What is a thermochromic pigment ?

-Krystian S

Answer 7

A pigment that changes colour with change in temperature

Question 8

What is polymorph?

-Krystian S

Answer 8

A plastic that can be formed and reformed multiple times

Question 9

At what temperature does polymorph become a clear material?

-Krystian S

Answer 9

62C

Question 10

In what two industries are SMPs mostly used?

-Krystian S

Answer 10

Building , food

Question 11

Name a way that SMA can be applied

• Harry de Ferry Foster

Answer 11

Robotics to bring about limb movement.

Artificial limbs and muscles implanted to assist body movement & functions.

Question 12

At its transition temperature, by what percentage can SMA wire shorten

• Harry de Ferry Foster

Answer 12

5%

Question 13

What are the four ways SMP’s can be transitioned

• Harry de Ferry Foster

Answer 13

Temperature Change
An electric or magnetic field
Light
Chemical

Question 14

Is the Polymorph application for 3D modelling expensive or cheap?

• Harry de Ferry Foster

Answer 14

Expensive

Question 15

What item can have a thermoplastic pigments applied?

• Harry de Ferry Foster

Answer 15

Thermometers 
Kettles
Test stripes on batteries 
Baby’s food products 
Novelty mugs & clothing

Question 16

Smart materials change in a process which is both _____ and ______.

-Oscar Lawson

Answer 16

Reversible and Repeatable

Question 17

What does SMA stand for?

-Oscar Lawson

Answer 17

Shape Memory Alloy

Question 18

What does SMP stand for?

-Oscar Lawson

Answer 18

Shape Memory Polymers

Question 19

What are the advantages of SMPs over SMAs?

-Oscar Lawson

Answer 19

Lower cost
Lower density
Wider range of temperatures
Easier to process
Potential to be biodegradable

Question 20

Where are SMPs like memory foam used in the building industry?

-Oscar Lawson

Answer 20

To seal door and window frames when there is heat

Question 21

What is a smart material?

-Lucas m

Answer 21

Smart materials are capable of a controllable response to their environment.

Question 22

Name the four conditions that change properties of a smart materials?

-Lucas m

Answer 22

Temperature
Light
Pressure
Electricity

Question 23

Shape memory alloys are commonly alloys of?

-Lucas m

Answer 23

Nickel and titanium or Nitinol

Question 24

The transition in smps can be caused by?

-Lucas m

Answer 24

Temperature change
An electric or magnetic field
Light
Chemical

Question 25

What effect do thermochromic pigments have on materials?

Caspar Tyser

Answer 25

Thermochromic materials change colour as the temperature changes.

Question 26

What can Polymorph be used for?

Caspar Tyser

Answer 26

3D modelling.

Question 27

What application of SMPs is used in the Food Industry?

Caspar Tyser

Answer 27

Shrink Wrap.

Question 28

What is an example of an application of SMPs in the Building Industry?

Caspar Tyser

Answer 28

Foam expands with warmth to seal window and door frames.

Question 29

What does ‘Transitional Temperature’ mean?

Caspar Tyser

Answer 29

The temperature at which a substance acquires or loses a distinctive property, in particular superconductivity.