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Characteristics and uses of materials Flashcards

1
Q

Natural materials:
Characteristics of copper

A
  • Reddish brown
  • Excellent conductivity of heat and electricity
  • Malleable
  • Ductile
  • Resistant to corrosion
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2
Q

Natural materials:
Uses of copper

A
  • Electrical wiring
  • Plumbing tubes
  • Roofing sheets
  • Heat sinks in electronics
  • Decorative items
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3
Q

Natural materials:
Characteristics of silver

A
  • Shiny white precious metal
  • Reflective
  • Highest electrical conductivity of all metals
  • Malleable
  • Ductile
  • Tarnishes over time when exposed to hydrogen sulphide in the air
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4
Q

Natural materials:
Uses of silver

A
  • Jewellery
  • Silverware
  • Electrical components
  • Mirrors
  • Anti-bacterial applications
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5
Q

Natural materials:
Characteristics of oak

A
  • Aesthetically pleasing grain
  • Hardwood
  • Strong and durable
  • Resistant to rot and mildew
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6
Q

Natural materials:
Uses of oak

A
  • Furniture
  • Flooring
  • Cabinets
  • Shipbuilding
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7
Q

Natural materials:
Characteristics of beech

A
  • Light colour, close grain
  • Hardwood
  • Good shock resistance
  • Easy to work with
  • Takes stains well
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8
Q

Natural materials:
Uses of beech

A
  • Furniture
  • Flooring
  • Tool handles
  • Plywood and veneer
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9
Q

Natural materials:
Characteristics of ash

A
  • Pale colour, straight grain
  • Hardwood
  • Strong
  • Elastic, bends well without breaking
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10
Q

Natural materials:
Uses of ash

A
  • Baseball bats
  • Tool handles
  • Furniture
  • Flooring
  • Veneer
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11
Q

Natural materials:
Characteristics of pine

A
  • Light colour, straight grain
  • Softwood
  • Inexpensive and readily available
  • Not very rot-resistant
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12
Q

Natural materials:
Uses of pine

A
  • Furniture (especially inexpensive pieces)
  • Construction timber
  • Plywood
  • Pulpwood for paper production
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13
Q

Natural materials:
Characteristics of redwood

A
  • Reddish brown
  • Softwood
  • Slow-growing evergreen tree
  • Naturally resistant to rot and insects
  • Strong and durable
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14
Q

Natural materials:
Uses of redwood

A
  • Decks
  • Shingles
  • Furniture
  • Fencing (especially for outdoor use)
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15
Q

Natural materials:
Characteristics of wool

A
  • Natural fibre from the fleece of sheep
  • Soft and warm
  • Naturally fire-resistant
  • Good at absorbing moisture and wicking it from the body
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16
Q

Natural materials:
Uses of wool

A
  • Clothing
  • Blankets
  • Carpets
  • Upholstery
  • Felt
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17
Q

Synthetic materials:
Characteristics of acrylic (PMMA)

A
  • Clear
  • Rigid
  • Strong
  • Good weather resistance
  • Excellent light transmittance
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18
Q

Synthetic materials:
Uses of acrylic (PMMA)

A
  • Signs
  • Windows
  • Lenses
  • Aquariums
  • Crafting materials
  • Furniture
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19
Q

Synthetic materials:
Characteristics of cellophane

A
  • Transparent
  • Thin
  • Biodegradable
  • Moisture permeable
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20
Q

Synthetic materials:
Uses of cellophane

A
  • Food packaging
  • Cigarette wrappers
  • Cellulose films
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21
Q

Synthetic materials:
Characteristics of epoxy resin

A
  • Strong adhesive properties
  • Good chemical resistance
  • Excellent insulator
  • Hardens when mixed with a curing agent
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22
Q

Synthetic materials:
Uses of epoxy resin

A
  • Adhesives
  • Coatings
  • Laminates
  • Casting applications
  • Countertops
  • Electronic components
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23
Q

Synthetic materials:
Characteristics of polyester

A
  • Versatile
  • Can be rigid or flexible
  • Good strength-to-weight ratio
  • Wrinkle-resistant (textiles)
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24
Q

Synthetic materials:
Uses of polyester

A
  • Fabrics (clothing, sails)
  • Bottles
  • Films
  • Composites
  • Insulation
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25
Synthetic materials: Characteristics of kevlar
- Extremely high strength-to-weight ratio - Excellent heat resistance - Good ballistic resistance
26
Synthetic materials: Uses of kevlar
- Bulletproof vests - Aerospace components - Racing sails - Boat hulls - Protective gear
27
Synthetic materials: Characteristics of nylon (polyamide)
- Strong - Abrasion-resistant - Elastic (some types) - Good chemical resistance
28
Synthetic materials: Uses of nylon (polyamide)
- Carpets - Clothing (activewear, stockings) - Ropes - Gears - Engineering components
29
Synthetic materials: Characteristics of teflon (PTFE)
- Very low friction - Excellent heat and chemical resistance - Non-stick properties.
30
Synthetic materials: Uses of teflon (PTFE)
- Non-stick cookware coatings - Bearings - Electrical insulation - Medical implants.
31
Synthetic materials: Characteristics of polypropylene (PP)
- Lightweight - Strong - Flexible - Good chemical resistance - Recyclable.
32
Synthetic materials: Uses of polypropylene (PP)
- Packaging (food containers, textiles) - Carpets - Pipes - Automotive parts - Medical supplies.
33
Synthetic materials: Characteristics of polyvinyl chloride (PVC)
- Water-resistant - Durable - Can be rigid or flexible - Good electrical insulation.
34
Synthetic materials: Uses of polyvinyl chloride (PVC)
- Pipes and tubing - Flooring - Roofing materials - Window frames - Credit cards.
35
Regenerated materials: Characteristics of blockboard
- Panel with a core of wooden strips between two layers of plywood - Lightweight - Strong - Resists warping
36
Regenerated materials: Uses of blockboard
- Furniture and shelving - Internal doors
37
Regenerated materials: Characteristics of chipboard
- Made from compressed wood chips bonded with resin - Inexpensive - Can be rough - Susceptible to moisture damage
38
Regenerated materials: Uses of chipboard
- Furniture components (especially internal parts) - Inexpensive shelving
39
Regenerated materials: Characteristics of MDF
- Made from finely ground wood fibres bonded with resin - Denser and smoother than chipboard - Good machinability and paintability
40
Regenerated materials: Uses of MDF
- Furniture and shelves - Cabinets and doors
41
Regenerated materials: Characteristics of paper
- Thin sheet material made from compressed cellulose fibres - Lightweight - Flexible - Comes in various thicknesses, colours and textures
42
Regenerated materials: Uses of paper
- Writing - Printing - Packaging - Disposable products (tissues, paper towels) - Art
43
Regenerated materials: Characteristics of cellulose based boards (cards)
- Broad term encompassing various paper-like products made from recycled wood pulp or other cellulose fibres - Thickness and rigidity vary depending on the type - Lightweight - Inexpensive - Easy to work with
44
Regenerated materials: Uses of cellulose based boards (cards)
- Greeting cards - Packaging materials - Cardboard boxes
45
Alloys and composite materials: Characteristics of aluminium alloy
- Lightweight - Strong - Corrosion resistant - Good conductor of heat and electricity (not as good as aluminium) - Recyclable
46
Alloys and composite materials: Uses of aluminium alloy
- Aircraft parts - Beverage cans - Building materials (cladding, window frames) - Car parts - Electrical components
47
Alloys and composite materials: Characteristics of brass
- Copper and zinc - Malleable - Ductile - Good corrosion resistance - Machinable - Low melting point - Yellow colour due to zinc content
48
Alloys and composite materials: Uses of brass
- Musical instruments - Doorknobs - Plumbing fixtures - Electrical components - Decorative items
49
Alloys and composite materials: Characteristics of pewter
- Tin and lead, but lead-free pewter is now common - Soft - Low melting point - Tarnishes easily
50
Alloys and composite materials: Uses of pewter
- Decorative items - Tableware (historic) - Some plumbing applications due to low melting point for soldering
51
Alloys and composite materials: Characteristics of bronze
- Copper and tin - Strong - Hard - Good wear resistance - Corrosion-resistant - Colour varies depending on copper content
52
Alloys and composite materials: Uses of bronze
- Statues - Gears - Art castings
53
Alloys and composite materials: Characteristics of carbon fiber
- Very strong - Very lightweight - Stiff - Good heat resistance - Poor electrical conductor
54
Alloys and composite materials: Uses of carbon fiber
- Aircraft and car components - Sporting goods - Aerospace applications
55
Alloys and composite materials: Characteristics of glass reinforced plastic (GRP)
- Strong - Lightweight - Good corrosion resistance - Versatile (can be moulded) - Good insulator
56
Alloys and composite materials: Uses of glass reinforced plastic (GRP)
- Boats - Bathtubs - Pipes - Storage tanks - Building materials
57
Alloys and composite materials: Characteristics of low carbon steel
- Iron and carbon (<0.03% carbon) - Strong - Ductile - Inexpensive - Magnetic - Good machinability - Lower carbon content makes it more formable but less strong
58
Alloys and composite materials: Uses of low carbon steel
- Car body panels - Construction - General machinery
59
Alloys and composite materials: Characteristics of medium carbon steel
- Iron and carbon (0.03%
60
Alloys and composite materials: Uses of medium carbon steel
- Gears - Tools - Knives - Building materials (bolts, nuts)

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