Smart and Modern Materials

Question 1

For a material to be considered smart it must be able to __________ and repeatedly change its physical properties when exposed to a specific stimuli.

Answer 1

For a material to be considered smart it must be able to REVERSIBLY and repeatedly change its physical properties when exposed to a specific stimuli.

Question 2

For a material to be considered smart it must be able to reversibly and __________ change its physical properties when exposed to a specific stimuli.

Answer 2

For a material to be considered smart it must be able to reversibly and REPEATEDLY change its physical properties when exposed to a specific stimuli.

Question 3

For a material to be considered smart it must be able to reversibly and repeatedly change its ________ properties when exposed to a specific stimuli.

Answer 3

For a material to be considered smart it must be able to reversibly and repeatedly change its PHYSICAL properties when exposed to a specific stimuli.

Question 4

For a material to be considered smart it must be able to reversibly and repeatedly change its physical properties when ________ to a specific stimuli.

Answer 4

For a material to be considered smart it must be able to reversibly and repeatedly change its physical properties when EXPOSED to a specific stimuli.

Question 5

For a material to be considered smart it must be able to reversibly and repeatedly change its physical properties when exposed to a ________ stimuli.

Answer 5

For a material to be considered smart it must be able to reversibly and repeatedly change its physical properties when exposed to a SPECIFIC stimuli.

Question 6

For a material to be considered smart it must be able to reversibly and repeatedly change its physical properties when exposed to a specific _______.

Answer 6

For a material to be considered smart it must be able to reversibly and repeatedly change its physical properties when exposed to a specific STIMULI.

Question 7

Shape memory alloys are abbreviated to .._.s

Answer 7

Shape memory alloys are abbreviated to S.M.A.s

Question 8

the smart material SMA stands for _ _ _

Answer 8

the smart material SMA stands for SHAPE MEMORY ALLOY

Question 9

SMA smart materials are those which revert back to their original shape when they _ _ _ _ _

Answer 9

SMA smart materials are those which revert back to their original shape when they REACH A CERTAIN (TRANSITION) TEMPERATURE

Question 10

When SMA smart materials reach their transition temperature, they _ _ _ _ _

Answer 10

When SMA smart materials reach their transition temperature, they REVERT TO THEIR ORIGINAL SHAPE

Question 11

The temperature at which SMA. smart materials revert to their original shape is known as the _ _

Answer 11

The temperature at which SMA. smart materials revert to their original shape is known as the TRANSITION TEMPERATURE

Question 12

Three top examples of SMA smart material products are:

Answer 12

Three top examples of SMA smart materials are:
FLEXIBLE SPECTACLES
KETTLE THERMOSTATS
ARTERY STENTS

Question 13

QTC smart materials stands for …

Answer 13

QTC smart materials stands for QUANTUM TUNNELLING COMPOSITES

Question 14

QTC smart materials consist of…

Answer 14

QTC smart materials consist of A FLEXIBLE POLYMER

Question 15

QTC smart materials are a flexible polymer which perfectly ____________ insulates until bent.

Answer 15

QTC smart materials are a flexible polymer which perfectly ELECTRICALLY insulates until bent.

Question 16

QTC smart materials are a flexible polymer which perfectly electrically __________ until bent.

Answer 16

QTC smart materials are a flexible polymer which perfectly electrically INSULATES until bent.

Question 17

When a QTC smart material is bent, the flexible polymer becomes extremely ___________ conductive.

Answer 17

When a QTC smart material is bent, the flexible polymer becomes extremely ELECTRICALLY conductive.

Question 18

When a QTC smart material is bent, the flexible polymer becomes extremely electrically ___________.

Answer 18

When a QTC smart material is bent, the flexible polymer becomes extremely electrically CONDUCTIVE.

Question 19

When QTC smart materials are flexed and electrically conductive they are able to support extremely high _________ for their size.

Answer 19

When QTC smart materials are flexed and electrically conductive they are able to support extremely high CURRENTS for their size.

Question 20

When QTC smart materials are flexed and electrically conductive they are able to support extremely ___ currents for their size.

Answer 20

When QTC smart materials are flexed and electrically conductive they are able to support extremely HIGH currents for their size.

Question 21

Thermo-ceramics are a type of _____ material.

Answer 21

Thermo-ceramics are a type of SMART material.

Question 22

Thermo-ceramic smart materials are often created through the process of _________ metal and ceramic powders.

Answer 22

Thermo-ceramic smart materials are often created through the process of SINTERING metal and ceramic powders.

Question 23

Thermo-ceramic smart materials are made from extremely ____ powders.

Answer 23

Thermo-ceramic smart materials are made from extremely FINE powders.

Question 24

Thermo-ceramic smart materials characteristics are:

Answer 24

Thermo-ceramic smart materials characteristics are:
EXTREMELY HARD
HEAT RESISTANT

Question 25

Thermo-ceramic smart materials crystalline structure is....

Answer 25

Thermo-ceramic smart materials crystalline structure is EXTREMELY FINE AND HOMOGENOUS

Question 26

Examples of thermo-ceramic smart material products are:

Answer 26

Examples of thermo-ceramic smart material products are: TURBO-CHARGERS JET ENGINE BLADES SPACEFLIGHT

Question 27

Due to the _______ of thermo-ceramics, they are extremely brittle.

Answer 27

Due to the HARDNESS of thermo-ceramics, they are extremely brittle.

Question 28

Due to the hardness of thermo-ceramics, they are extremely _______.

Answer 28

Due to the hardness of thermo-ceramics, they are extremely BRITTLE.

Question 29

Photochromic materials change ______ with changes in UV light intensity.

Answer 29

Photochromic materials change COLOUR with changes in UV light intensity.

Question 30

Photochromic materials change colour with changes in __ ______ intensity.

Answer 30

Photochromic materials change colour with changes in UV LIGHT intensity.

Question 31

Photochromic materials are usually __________ until exposed to UV light.

Answer 31

Photochromic materials are usually COLOURLESS until exposed to UV light.

Question 32

Photochromic materials can appear to change colour when the pigment is _____ with an existing base colour.

Answer 32

Photochromic materials can appear to change colour when the pigment is MIXED with an existing base colour.

Question 33

Reactive glass responds extremely quickly to ___________ ________ to change colour rather than a slow change to UV light.

Answer 33

Reactive glass responds extremely quickly to ELECTRONIC CURRENTS to change colour rather than a slow change to UV light.

Question 34

Reactive glass is most often used for _ and _

Answer 34

Reactive glass is most often used for HIGH END WINDOWS and WELDING MASKS

Question 35

In reactive glass even a _____ _______ can significantly darken the glass and reduce light transmission.

Answer 35

In reactive glass even a SMALL CURRENT can significantly darken the glass and reduce light transmission.

Question 36

Reactive glass darkens _________ or ______________ to the current applied, and so can give a fade effect.

Answer 36

Reactive glass darkens GRADUALLY or PROPORTIONALLY to the current applied, and so can give a fade effect.

Question 37

Reactive glass is ____ expensive than photochromic-pigmented glass

Answer 37

Reactive glass is MORE expensive than photochromic-pigmented glass

Question 38

LCD screens is the abbreviation of...

Answer 38

LCD screens is the abbreviation of LIQUID CRYSTAL DISPLAY screens.

Question 39

LCDs are _____ compounds which reversibly solidify under the application of small currents.

Answer 39

LCDs are CARBON compounds which reversibly solidify under the application of small currents.

Question 40

LCDs are carbon compounds which reversibly solidify under the application of _____ _______.

Answer 40

LCDs are carbon compounds which reversibly solidify under the application of SMALL CURRENTS.

Question 41

LCDs turn black (or another particular colour) when a ________ is applied.

Answer 41

LCDs turn black (or another particular colour) when a VOLTAGE is applied.

Question 42

LCDs are only recently being replaced by ____ screens

Answer 42

LCDs are only recently being replaced by OLED screens

Question 43

OLEDs are replacing ____ where as non-organic LEDs consume too much power to reasonably replace them.

Answer 43

OLEDs are replacing LCDs where as non-organic LEDs consume too much power to reasonably replace them.

Question 44

Thermo-chromic changes _____ based on the surrounding ___________

Answer 44

Thermo-chromic changes COLOUR based on the surrounding TEMPERATURE

Question 45

Thermo-chromic pigment is often used in ____________ and for baby products where the temperature of food and water is vital.

Answer 45

Thermo-chromic pigment is often used in THERMOMETERS and for baby products where the temperature of food and water is vital.

Question 46

Thermo-chromic pigment is often used in thermometers and for ____ products where the temperature of food and water is vital.

Answer 46

Thermo-chromic pigment is often used in thermometers and for BABY products where the temperature of food and water is vital.

Question 47

Thermo-chromic pigments need to be _____ into paints, fabrics, plastics or papers to work.

Answer 47

Thermo-chromic pigments need to be MIXED into paints, fabrics, plastics or papers to work.

Question 48

SMAs return to old shape under what? | -F.W

Answer 48

Specific Temperatures.

Question 49

Quantum Tunnelling Composites need to be what? To reduce resistance. -F.W

Answer 49

Compressed.

Question 50

Biggest weakness of thermo-ceramics? -F.W

Answer 50

Very brittle.

Question 51

In-labs example of reactive glass? -F.W

Answer 51

Welding mask.

Question 52

Photochromic paints are triggered by what? -F.W

Answer 52

UV light.