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Design > Properties of Materials > Flashcards

Properties of Materials Flashcards

1
Q

What is elasticity

-Krystian S

A

The ability of a material to absorb force, bend and flex in different directions, returning to its original shape and size when loads are removed.

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2
Q

What is plasticity

-Krystian S

A

The ability of a material to be changed in shape by external blows or pressure, without cracking or breaking. Some materials are more plastic when heated

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3
Q

What is ductility

-Krystian S

A

The ability of a material to undergo cold plastic deformation by bending, twisting or stretching along its length (stretching/drawing) e.g Copper wire

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4
Q

What is compressive Strength

-Krystian S

A

The ability of a material to resist compressive (pushing) forces. e.g. Concrete.

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5
Q

What is malleability

-Krystian S

A

The ability of a material to be reshaped in all directions under pressure (e.g. hammering, pressing or rolling) without rupturing or cracking.

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6
Q

What is a property (in general)?

-Oscar Lawson

A

Characteristics possessed by a material making it better or worse suited to being used.

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7
Q

What defines a physical property?

-Oscar Lawson

A

Properties that are not associated with a force

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8
Q

What are examples of physical properties?

-Oscar Lawson

A

Thermal properties, density, fusibility, resistance to corrosion/electricity and ability to reflect light

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9
Q

What defines a mechanical property?

-Oscar Lawson

A

How a material behaves when subjected to a force

-Oscar Lawson

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10
Q

Give an example of a mechanical property

-Oscar Lawson

A

Strength, elasticity, hardness, toughness, compressive strength, tensile strength, malleability, ductility and plasticity

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11
Q

Out of Fusibility and Ductility, which is mechanical and which is physical ?

  • Humphrey Marsh
A

Fusibility is Physical.

Ductility is Mechanical

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12
Q

Name two applications of Density:

  • Humphrey Marsh
A

Fishing Weights and Buoyancy aids.

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13
Q

Which properties are not associated with a force?

  • Humphrey Marsh
A

Physical Properties

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14
Q

Give the definition of ‘Strength’:

  • Humphrey Marsh
A

The ability of a material to stand up to forces being applied without it bending, breaking, shattering or deforming in any way.

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15
Q

The best choice of material depends on what 4 factors?

  • Humphrey Marsh
A

Its properties.
Its aesthetic qualities.
The cost of both material and production.
Its availability.

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16
Q

Are all Malleable materials ductile?

Caspar Tyser

A

Not all Malleable materials are ductile, but all ductile materials are malleable.

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17
Q

What is an example of something that has Compressive Strength?

Caspar Tyser

A

Concrete

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18
Q

Is Fiberglass a composite Material?

Caspar Tyer

A

Yes. (GRP is combined of glass strands with polyester resin.)

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19
Q

What is an example of something that has Tensile Strength?

Caspar Tyser

A

A steel Cable

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20
Q

Is Fusibility a Physical or Mechanical Property?

Caspar Tyser

A

It is a Physical property.

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21
Q

What is an applications of gold?

-Ssnehnil G

A

Jewellery

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22
Q

What is an application of plastics (generally)?

-Ssnehnil G

A

Window frames

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23
Q

What is an application of Tin?

-Ssnehnil G

A

Solder

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24
Q

What is an application of copper?

-Ssnehnil G

A

Electrical cables

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25
Q

What are applications of mild steel?

-Ssnehnil G

A

Nails
Screws
Car body panels

26
Q

What’s the definition of density?

Ed H

A

The mass per unit volume kg/m

27
Q

What materials are durable?

Ed H

A

Plastics generally

Gold

28
Q

Toughness definition?

Ed H

A

A characteristic of a material that does not break or shatter when receiving a blow or sudden shock

29
Q

What is Compressive strength?

Ed H

A

The ability to resist compressive strength?

30
Q

Electrical resistance?

Ed H

A

The ability to let current flow through a material

31
Q

What is tensile strength?

IVAN. k2

A

The ability of a material to withstand a pulling or ‘tensile’ force.

32
Q

what is ductility

IVAN K2

A

The ability of a material to undergo cold plastic deformation by bending, twisting or stretching.

33
Q

What is toughness?

IVAN K

A

A material that does not break or shatter when receiving a blow or sudden shock.

34
Q

example of a tough material

IVAN K

A

Leather strap

35
Q

What is hardness?

IVAN K

A

The ability to resist scratching, wear and tear. Like high speed drills

36
Q

Are physical properties associated with a force?

-Lucas M

A

No

37
Q

Is electrical resistance a physical property?

-Lucas M

A

Yes

38
Q

What do mechanical properties refer to?

-Lucas M

A

The behaviour of materials when subjected to a force.

39
Q

Is elasticity a mechanical or physical property?

-Lucas M

A

Mechanical

40
Q

What type of property is toughness?

-Lucas M

A

Mechanical

41
Q

Elasticity is …

-Alfie Turner

A

mechanical

42
Q

is density a physical property

-Alfie Turner

A

yes

43
Q

is thermal properties a mechanical property

-Alfie Turner

A

no

44
Q

is hardness the ability to resit scratching

-Alfie Turner

A

yes

45
Q

density …

-Alfie Turner

A

the mass per unit volume kg/m3

46
Q

What is a composite material

Oli Shaw

A

A material which has been created by combining 2 or more different materials

47
Q

What is the advantage of using a composite material

Oli Shaw

A

They can be modified for the purpose of what you want them for.

48
Q

How can you make a composite material more beneficial

Oli Shaw

A

Increasing any characteristics, strength for example.

49
Q

What does GPR stand for

Oli Shaw

A

glass reinforced polyester

50
Q

What is used to make GPR

Oli Shaw

A

glass strands with polyester resin:

51
Q

Is Reinforced Concrete a Composite Material?

-Oscar Mabon

A

Yes

52
Q

Is GRP (Glass Reinforced Polyester) a Composite Material?

-Oscar Mabon

A

Yes

53
Q

Is Corrosion Resistance a Physical Property of a material?

-Oscar Mabon

A

Yes

54
Q

Is Hardness a Physical property of a material?

-Oscar Mabon

A

No it is a Mechanical property

55
Q

Is Malleability a Mechanical Property of a Material?

-Oscar Mabon

A

Yes

56
Q

What are the two universal properties of metal?

Torsai K

A

Strength, and elasticity

57
Q

How are materials chosen, and on which factors?

Torsai K

A

Its properties, its aesthetic qualities, cost of both material and production, and its availability.

58
Q

What are the physical properties of materials?

Torsai K

A

Electrical resistance, ability to reflect light, and the ability to conduct or store heat.

59
Q

What is tensile strength?

Torsai K

A

Tensile strength resists stretching by the pull forces and is an essential strength for cables, chains, and ropes.

60
Q

What is compressive strength?

Torsai K

A

Compressive strength withstands push forces which try to crush or shorten.

Design (31 decks)

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