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Materials > 1. Role Of Materials In Design > Flashcards

1. Role Of Materials In Design Flashcards

1
Q

Metals and alloys

A

Iron and steels
Aluminium (and alloys)
Magnesium (and alloys)
Beryllium (and alloys)
Nickel (and alloys)
Titanium (and alloys)

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2
Q

Ceramics and glasses

A

Zirconia
Alumina
Silica
Silicon carbide
Silicon nitride
Cements and concrete

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3
Q

Polymers (examples)

A

Polyethylene
Perspex
Nylon
Polyvinylchloride
Rubbers

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4
Q

Composites (examples)

A

Cermets (ceramic-metal)
Wood
Fibreglass
Carbon fibre composite
Filled polymers

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5
Q

Properties:Metals and alloys

A

Good conductor of heat and electricity
Low cost
Strong
Easy to form/malleable

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6
Q

Properties: polymers

A

Light weight
Appearance/colour choice
Low electrical conductivity
Corrosion resistant, tough like vinyl
Inexpensive
Easy to form

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7
Q

Properties: ceramics and glasses

A

Strong
Low thermal and electrical conductivity
Heat-resistant (used for coatings)
Resistance to wear

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8
Q

Properties: polymer composites

A

Strong
Light weight

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9
Q

Bulk mechanical properties of materials

A

Density
Modulus (stiffness)
Strength
Fracture toughness
Fatigue strength
Creep resistance

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10
Q

Surface properties of materials

A

Oxidation and corrosion
Friction and wear

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11
Q

Production properties of materials

A

Ease of manufacture
Ease of joining

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12
Q

Aesthetic properties of materials

A

Appearance
Texture
Feel

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13
Q

What is creep resistance

A

The ability of a material to resist any kind of distortion under the influence of stresses over a period of time

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14
Q

What is stiffness

A

How much give a material allows
(Bending)

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15
Q

What is strength

A

The ability to resist permanent bending

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16
Q

What is toughness

A

How likely a materialist to fracture
How brittle

17
Q

Define modulus

A

An indication of the materials resistance to elastic deflection or bending

18
Q

What is casting

A

Pouring liquid into a mould and let it solidify

-> power metallurgy is pouring a metal powder into a mould and pressing together to hold shape before sintering (heating but below melting point)

19
Q

What is forging

A

Taking a solid and pressing it into shape in a die/mould

20
Q

What is machining

A

Removing material from a larger piece to form a shape

21
Q

What is joining/fabrication

A

Making complex shapes by joining pieces together

22
Q

What sustainability factors affect manufacture and cost

A

Energy of manufacture
Energy for getting materials
Lifetime (efficiency, heat loss)
Disposal
Remanufacture
Finite elements

Materials (2 decks)

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