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Materials Science > Materials Quiz > Flashcards

Materials Quiz Flashcards

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1
Q

Polystyrene

A
  • Properties: low density, easily foamed. Prevalent in non-criritcal applications (toys, food)
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1
Q

Carbon Fiber Reinforced Polymers (CFRP)

A
  • Constituents: carbon fiber + epoxy (or others)
  • Properties: airplane composites, turbine blade composites
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2
Q

Reinforced Concrete

A
  • Constituents: concrete + rebar
  • Properties: high toughness compared to pure concrete
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3
Q

Acrylonitrile-butadiene-styrene (ABS)

A
  • Properties: common 3D printing polymer
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4
Q

Epoxy

A
  • Constituents: thermoset
  • Properties: stiff, cross-linked
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5
Q

Titanium

A
  • Constituents: Ti
  • Properties: Highest strength-to-density ratio of any metal, resists corrosion
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5
Q

Silicon Carbide

A
  • Constituents: Si + C
  • Properties: Very hard ceramic used as an abrasive
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6
Q

Polyethylene

A
  • Properties: Plastic bags, #2 and #4
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7
Q

Lithium Cobalt Oxide

A
  • Constituents: Li + Co + O
  • Properties: High power density battery electrode material
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8
Q

Fiberglass

A
  • Constituents: glass + epoxy (or others)
  • Properties: small boats, lightweight and tough
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9
Q

AISI - 4140

A
  • Constituents: Fe + Cr + Mo + C + Mn + Si
  • Properties: Strong and hard steel, used in aircrafts
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9
Q

Bronze

A
  • Constituents: Cu + Sn
  • Properties: Harder than copper
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11
Q

AISI - 1020

A
  • Constituents: Iron + (low) carbon
  • Properties: Common ductile steel
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12
Q

Polypropylene

A
  • Properties: Thermal textiles, packaging and labels, #5
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13
Q

Cardboard

A
  • Constituents: cellulose pulp
  • Properties: abundant, lightweight, stiff
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14
Q

PVC

A
  • Properties: chemical resistance, used for water pipes, credit cards, #3
15
Q

Tool Steel

A
  • Constituents: Fe + (0.7 - 1.5%) C
  • Properties: High hardness steel – holds a cutting edge
16
Q

Brass

A
  • Constituents: Cu + Zn
  • Properties: more ductile than copper, nice appearance
16
Q

Carbon Nanotube

A
  • Constituents: C
  • Properties: Ultra high Young’s Modulus (1 TPa)
17
Q

Stainless Steel

A
  • Constituents: Fe + (>11%) Cr + C
  • Properties: Avoids corrosion
19
Q

Concrete

A
  • Constituents: Water + stone + cement (CaO and SiO2) Calcium silicates and oxides
  • Properties: durable, stone-like material
20
Q

Porcelain

A
  • Constituents: Kaolinite = Al + Si + O + H, type of clay
  • Properites: withstands high temperatures, stiff, brittle
22
Q

Polycarbonate

A
  • Properties: very durable, transparent
23
Q

Calcium Carbonate

A
  • Constituents: Ca + O + C
  • Properties: Main component of shells
24
Q

Acrylic

A
  • Properties: less flexible than polycarbonate, transparent, durable
25
Q

Magnesium

A
  • Constituents: Mg
  • Properties: Not naturally found, good alloy metal
27
Q

Polyester

A
  • Constituents: PET (Polyethylene terephthalate)
  • Properties: Used for soda bottles, textile fibers, #1
28
Q

Aluminum

A
  • Constituents: Al
  • Properties: Ultra-lightweight metal, resists corrosion, abundant
29
Q

Carbon Fiber

A
  • Constituents: C
  • Properties: Very strong, graphitic, high strength-to-weight ratio
30
Q

Steel

A
  • Constituents: Iron + carbon intersititials
  • Properties: Tunable strength, stiffness
31
Q

Gorilla Glass

A
  • Constituents: Glass + alkaline salts
  • Properties: Scratch-resistant, made with residual stress
32
Q

Hydroxyapatite

A
  • Constituents: Ca + P
  • Properties: bone mineral, high strength
33
Q

Copper

A
  • Constituents: Cu
  • Properties: High conductivity
34
Q

Cast Iron

A
  • Constituents: Fe + (2.1 - 4%) C
  • Properties: Very high hardness steel – brittle
35
Q

Nylon

A
  • Properties: Hydrogen bonding, very strong and flexible
36
Q

Soda-lime Glass

A
  • Constituents: Si + O + Na + Ca + O
  • Properties: Silicates develop a net negative charge during covalent bonding that is offset by Na+ and Ca+2
37
Q

Teflon

A
  • Properties: hydrophobic, non-stick

Materials Science (1 decks)

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