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Product Design > 1.1 - Material Applications > Flashcards

1.1 - Material Applications Flashcards

1
Q

What is ferrous metal?

A

A metal containing mostly iron and carbon.

They’re magnetic and will not rust.

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2
Q

Give some examples of ferrous metals

A

Low carbon steel,
Medium carbon steel,
Cast iron

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3
Q

What is non ferrous metal?

A

Metal that doesn’t contain iron.

They’re not magnetic and do not rust.

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4
Q

Name some non ferrous metals

A 
Aliminum 
Copper
Zinc
Silver
Gold
Titanium
Tin
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5
Q

What is an alloy metal?

A

A metal combined with another metal or element.
Alloys can be sub
classified as ferrous and non ferrous.

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6
Q

What are some ferrous alloy metals?

A

Stainless steel, die steel

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7
Q

What are some non ferrous alloys?

A

Bronze
Brass
Duralumin
Pewter

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8
Q

What is a hard wood?

A

A wood from deciduous trees (slow trowing and loose their leaves in autumn)

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9
Q

Name 5 hardwoods

A 
Oak
Ash
Mahogany
Teak
Birch
Beech
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10
Q

What is a softwood?

A

A wood from a coniferous tree (fast growing and evergreen)

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11
Q

Name 5 softwoods

A 
Pine
Spruce
Douglas Fir
Redwood
Cedar
Larch
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12
Q

What is manufactured board

A

A man made wood-based composite material.

  • available in much larger sizes than solid wood
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13
Q

Name 5 manufactured boards

A 
Plywood
Marine plywood
Aeroply
Flexible plywood
Chipboard
MDF
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14
Q

What is a thermoplastic?

A

Can be reheated and reshaped repeatedly - can be recycled.

Long linear chain molecules held by van dee Walls forces.

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15
Q

Name 5 thermoplastics

A 
LDPE(Low density polyethylene)
HDPE 
Polypropylene (PP) 
HIPS
ABS
PET
Nylon
PVC
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16
Q

What is a thermosetting polymer?

A

Plastic which when heated, chemically changes where the molecules form rigid cross links

Cant be reheated or reshaped

17
Q

Name 3 Thermosetting polymers

A

Urea formaldehyde (UF)
Melamine formaldehyde (MF)
Polyester resin
Epoxy resin

18
Q

Whats an elastomer

A

Plastic which can be deformed under pressure at room temperature, and will reform to its original shape when released from pressure.

  • weak bonds so can stretch easily
19
Q

Name 3 elastomers

A

Natural rubber
Polybutadiene
Neoprene
Silicone

20
Q

Name 5 paper and boards

A 
Layout paper
Cartridge paper
Tracing paper
Bleedproof paper
Treated paper
Bleached card
Mount Board
Duplex Card
Foil backed and laminated Card
Metal effect card
21
Q

What is a composite

A

A material made of 2 or more different materials to enhance properties.

Can be - fibre based, particle based or sheet based

22
Q

Name 3 composites

A 
Carbon fibre reinforced plastic
Glass fibre reinforced plastic
Tungsten carbide
Aluminium composite board
Concrete
Fibre cement
Enginereed wood
23
Q

What is a smart material?

A

A material that’s physical properties change in response to an input or change in the environment, - such as electricity, pressure, temperature or light

24
Q

Name 3 smart materials

A 
Phosphorescent pigment
Photochromic pigment
Shape memory alloys
Electroluminescent wire
Thermochromatic pigment
25
Q

What is a modern material

A

A material developed through the invention of new or improved processes - eg, as a result of man man materials

26
Q

Whats the difference with smart and modern materials

A

Modern materials do not react to external change

27
Q

Name 3 modern materials

A 
Kevlar, 
precious metal clay
High density modelling foam
Polymorph
Carbon fibre
28
Q

What is compressive strenth:

A

Abilty to withstand being crushed

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