Group 6

Front 1

Materials that are utilized in high-technology

Back 1

Advanced Materials

Front 2

Examples of Advanced Materials

Back 2

1. Electronic equipment

2. Computers

3. Fiber-optic systems

4. Spacecraft

5. Aircraft

6. Military Rocketry

Front 3

3 Types of Advanced Materials

Back 3

1. Semiconductors

2. Biomaterials

3. Materials in the Future

Front 4

Have electrical properties that are intermediate between electrical conductors and insulators

Back 4

Semiconductor

Front 5

Employed in components implanted into the human body for replacement of diseased or damaged parts

Back 5

Biomaterials

Front 6

2 Materials in the Future

Back 6

1. Smart Materials

2. Nanoengineered Materials

Front 7

Group of new and state of the art materials now being developed that will have a significant influence on many of our technologies

Back 7

Smart materials

Front 8

These materials often have unique optical, electronic, or mechanical properties

Back 8

Nanoengineered Materials

Front 9

4 Main Groups of Smart Materials

Back 9

1. Color changing materials

2. Light emitting materials

3. Moving materials

4. Temperature changing materials

Front 10

Materials that change color due to different external stimuli.

Back 10

Color changing materials

Front 11

Materials that change reversibly color with changes in light intensity

Back 11

Photochromic materials

Front 12

Change reversibly color with changes in temperature

Back 12

Thermocromic materials

Front 13

2 types of color changing materials

Back 13

Photochromic materials

Thermocromic materials

Front 14

Materials that change the light in some sense, due to some external stimuli.

Back 14

Light Emitting Materials

Front 15

3 Types of Light Emitting Materials

Back 15

1. Electroluminescent materials

2. Fluorescent materials

3. Phosphorescent materials

Front 16

Produce a brilliant light of different colors when stimulated electronically

Back 16

Electroluminescent materials

Front 17

Produce visible or invisible light as a result of incident light of a shorter wavelength

Back 17

Fluorescent materials

Front 18

Also called afterglow materials

Produce visible or invisible light as a result of incident light of a shorter wavelength, detectable only after the source of the excitement has been removed

Back 18

Phosphorescent materials

Front 19

5 types of moving materials

Back 19

1. Conducting polymers

2. Dielectric elastomers

3. Piezoelectric materials

4. Polymer gels

5. Shape memory materials (SMM)

Front 20

Materials that in some sense move when exposed to some special external source

Back 20

Moving materials

Front 21

Conjugated polymers through which electrons can move from one end of the polymer to the other

Back 21

Conducting Polymers

Front 22

-also called electrostrictive polymers

- exhibit a mechanical strain when subjected to an electric field

Back 22

Dielectric elastomers

Front 23

Produce an electric field when exposed to a change in dimension caused by an imposed mechanical force (piezoelectric or generator effect)

Back 23

Piezoelectric materials

Front 24

Consist of a cross-linked polymer network inflated with a solvent such as water

Back 24

Polymer gels

Front 25

Metals that after being strained, at a certain temperature revert back to their original shape

Back 25

Shape memory alloys (materials)

Front 26

2 types of temperature changing materials

Back 26

1. Thermoelectric materials

2. Nanoengineered materials

Front 27

Materials that change temperature in some way when exposed to some sort of external source

Back 27

Temperature changing materials

Front 28

Special types of semiconductors that when coupled, function as a "heat pump"

Back 28

Thermoelectric materials

Front 29

Materials that are researched through advanced material science called nanotechnology

These materials are sized form one thousand nanometers down to one nanometers. This materials often have unique optical, electronic, or mechanical properties

Back 29

Nanoengineered materials

Front 30

3 Main grouo of Nanometers

Back 30

1. Natural nanomaterials

2. Fullerenes

3. Nanoparticles

Front 31

Nanoengineered made through natural process

Back 31

Natural nanomaterials

Front 32

Are class of allotropes of carbon which conceptually are graphene sheets rolled into tubes or spheres.

Back 32

Fullerenes

Front 33

Nanoengineered materials often made for it's interesting optical and electrical properties

Back 33

Nanoparticles

Front 34

8 types of nanoparticles

Back 34

1. Nanocrystals

2. Quantum Dots

3. Organic Photovoltaic (OPV)

4. Organic Light Emitting Diode (OLEC)

5. Nanomaterial-based catalyst

6. Magic of Nanoengineering7. Nanoengineered Supermaterials

ing7. Nanoengineered Supermaterials

7. Nanoengineered Supermaterials

8. Superconductors

Front 35

Crystalline particles made at a nano scale

Back 35

Nanocrystals

Front 36

Very small conductor particles which most types emit light of specific frequencies if electricity or light is applied to them

Back 36

Quantum dots

Front 37

A type of Photovoltaic cells that uses organic material rather than semiconductors in converting light to electricity

Back 37

Organic Photovoltaic (OPV)

Front 38

A type of light emitting diode that uses organic material rather than semiconductors in emitting light in response to electric current

Back 38

Organic Light Emitting Diode (OLED)

Front 39

Catalytic device made at a nano scale to increase catalytic activity due to greater amount of reaction that can take place simultaneously.

Back 39

Nanomaterial-based catalyst

Front 40

Alteration of optical properties using nanoengineering

Back 40

Magic of nanoengineering

Front 41

Alteration of mechanical properties using nanoengineering

Back 41

Nanoengineered supermaterials

Front 42

Alteration of electrical properties using nanoengineering

Back 42

Superconductors

Front 43

Nonviable materials used in a medical device, intended to interact with biological system

Back 43

Biomaterials

Front 44

Types of biomaterials

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1. Short term

2. Permanent

Front 45

Physical Requirements

Back 45

1. Hard materials

2. Flexible materials

Front 46

Chemical requirements

Back 46

1. Must not react with any tissue in the body

2. Must be non-toxic to the body

3. Long-term replacement must not be biodegradable

Front 47

Applications of biomaterials

Back 47

1. Intraocular lenses

2. Vascular f

Grafts

3. Hip replacements

4. Heart valve

5. Artificial Tissue

6. Dental implants

Front 48

Polymethylmethacrylate (PMMA)

Back 48

Also known as:

Acrylic/acrylic glass

Plexiglas

Acrylite

Lucite

Perspex

Front 49

He had noticed PMMA to be inert in eyes of World War II aviators struck by flying plastic during combat

Back 49

Harold Ridley

Front 50

- A surgical procedure performed to redirect blood flows from one area to another by reconnecting blood vessels

- must be flexible

- often recognized by body as foreign

- arteriovenous graft (AVG)

Back 50

Vascular grafts

Front 51

- Most common medical practice using biomaterials

- Corrosion resistant high-strength metal alloys

- materials are made of titanium, chromium and cobalt

Back 51

Hip-replacements

Front 52

- Fabricated from carbons, metals, elastomers, fabrics, and natural valves

- must NOT react with chemicals in body

- attached by polyester mesh

- tissue growth facilitated by polar oxygen-containing groups

Back 52

Heart valve

Front 53

- Biodegradable

- Polymer result of condensation of lactic acid and glycolic acid

Back 53

Artificial tissue

Front 54

Small titanium fixture that serves as the replacement for the root portion of a missing natural tooth

Back 54

Dental implants