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YR 10 MOCKS > DT > Flashcards

DT Flashcards

1
Q

Composites

A

A composite is a material produced from 2 or more constituent materials.

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2
Q

Examples of composite materials

A
  • Carbon Fibre Reinforced Polymer
  • Glass Reinforced Polymer
  • Glass Reinforced Concrete
  • Steel Reinforced Concrete
  • Concrete
  • Polymer
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3
Q

Thermoforming polymers

A

Granules are heated, become liquid, are molded then set. This process is repeated, meaning these polymers are technically recyclable.

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4
Q

What does thermo mean?

A

Thermo = Heat

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5
Q

Thermoset Polymers

A

Thermoset Polymers can’t be melted. Their heat resistance makes them suitable for uses where this property is key - saucepan handles, worktops, plugs and sockets etc.

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6
Q

Smart Materials

A

Materials that react to an external stimulus in a consistent and repeatable way.

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7
Q

3 examples of smart material stimuli

A

heat
light
electrical current

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8
Q

What does photo mean?

A

Photo = Light

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9
Q

What does chrome/chromic mean?

A

Chrome/Chromic = Colour

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10
Q

Examples of smart stimuli

A

Thermochromic ink
Shape memory alloy
Photochromic pigment

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11
Q

Manmade boards

A

Timber derived engineered boards. Generally a composite of wood fibres, chipsor layers, bonded with resin.

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12
Q

Examples of manmade boards

A

Plywood
MDF
Chipboard

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13
Q

Benefits of manmade boards

A
  • Large sheet size
  • stable
  • rigid
  • more ‘isotropic’ than - natural timber
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14
Q

Density

A

the mass of a material in a standard volume - Physical Property

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15
Q

Fusibility

A

the ability of a material to be converted from a solid to liquid state, usually by heat - Physical Property

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16
Q

Magnetism

A

attractive to iron or steels - Physical Property

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17
Q

Degradation resistance

A

the ability to withstand weathering and other environmental forms of wear - Physical Property

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18
Q

Electrical conductor/insulator

A

allows the flow of current or resists it - Physical Property

19
Q

Thermal conductor/insulator

A

Allows the flow of heat or resists it - Physical Property

20
Q

Thermal expansion

A

the increase in volume of a material with the application of heat - Physical Property

21
Q

Opacity

A

Prevents light transmission - Physical Property

22
Q

Translucence

A

allows diffuse light through - Physical Property

23
Q

Transparency

A

Allows light through - Physical Property

24
Q

Compressive strength

A

the ability to withstand being crushed or shortened by pushing forces - Mechanical Property

25
Q

Tensile strength

A

the ability to resist being stretched by pulling forces - Mechanical Property

26
Q

Bending strength

A

the ability to resist bending forces - Mechanical Property

27
Q

Shearing strength

A

the ability to resist parallel sliding forces - Mechanical Property

28
Q

Torsional strength

A

the ability to withstand twisting forces - Mechanical Property

29
Q

Hardness

A

the ability to withstand abrasive wear - Mechanical Property

30
Q

Toughness

A

the ability to withstand impact - Mechanical Property

31
Q

Plasticity

A

the ability to be deformed and retain the deformed shape - Mechanical Property

32
Q

Ductility

A

the ability to be drawn out under tension without cracking - Mechanical Property

33
Q

Malleability

A

the ability to be compressed under pressure without cracking - Mechanical Property

34
Q

Elasticity

A

the ability to be deformed and then return to shape once the deforming force is removed - Mechanical Property

35
Q

<———>

A

Reciprocating

36
Q

———–>

A

Linear

37
Q

( )

A

Rotary

38
Q

(
v

A

Oscillating

39
Q

Anthrometrics

A

Human measurements . The study of anthropometry allows products to be designed to fit human users

40
Q

User Centred Design

A

A design approach centred on the needs of the end user

41
Q

What is a lever?

A

A fixed rigid beam requiring a fulcrum, load and effort to provide mechanical advantage.

42
Q

What is a fulcrum?

A

The point at which a lever pivots

43
Q
A

YR 10 MOCKS (18 decks)

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