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Properties of Materials Flashcards

(60 cards)

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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
What are applications of mild steel? -Ssnehnil G
Nails Screws Car body panels
26
What’s the definition of density? Ed H
The mass per unit volume kg/m
27
What materials are durable? Ed H
Plastics generally | Gold
28
Toughness definition? Ed H
A characteristic of a material that does not break or shatter when receiving a blow or sudden shock
29
What is Compressive strength? Ed H
The ability to resist compressive strength?
30
Electrical resistance? Ed H
The ability to let current flow through a material
31
What is tensile strength? IVAN. k2
The ability of a material to withstand a pulling or 'tensile' force.
32
what is ductility IVAN K2
The ability of a material to undergo cold plastic deformation by bending, twisting or stretching.
33
What is toughness? IVAN K
A material that does not break or shatter when receiving a blow or sudden shock.
34
example of a tough material IVAN K
Leather strap
35
What is hardness? IVAN K
The ability to resist scratching, wear and tear. Like high speed drills
36
Are physical properties associated with a force? -Lucas M
No
37
Is electrical resistance a physical property? -Lucas M
Yes
38
What do mechanical properties refer to? -Lucas M
The behaviour of materials when subjected to a force.
39
Is elasticity a mechanical or physical property? -Lucas M
Mechanical
40
What type of property is toughness? -Lucas M
Mechanical
41
Elasticity is ... | -Alfie Turner
mechanical
42
is density a physical property | -Alfie Turner
yes
43
is thermal properties a mechanical property | -Alfie Turner
no
44
is hardness the ability to resit scratching | -Alfie Turner
yes
45
density ... | -Alfie Turner
the mass per unit volume kg/m3
46
What is a composite material Oli Shaw
A material which has been created by combining 2 or more different materials
47
What is the advantage of using a composite material Oli Shaw
They can be modified for the purpose of what you want them for.
48
How can you make a composite material more beneficial Oli Shaw
Increasing any characteristics, strength for example.
49
What does GPR stand for Oli Shaw
glass reinforced polyester
50
What is used to make GPR Oli Shaw
glass strands with polyester resin:
51
Is Reinforced Concrete a Composite Material? -Oscar Mabon
Yes
52
Is GRP (Glass Reinforced Polyester) a Composite Material? -Oscar Mabon
Yes
53
Is Corrosion Resistance a Physical Property of a material? -Oscar Mabon
Yes
54
Is Hardness a Physical property of a material? -Oscar Mabon
No it is a Mechanical property
55
Is Malleability a Mechanical Property of a Material? -Oscar Mabon
Yes
56
What are the two universal properties of metal? Torsai K
Strength, and elasticity
57
How are materials chosen, and on which factors? Torsai K
Its properties, its aesthetic qualities, cost of both material and production, and its availability.
58
What are the physical properties of materials? Torsai K
Electrical resistance, ability to reflect light, and the ability to conduct or store heat.
59
What is tensile strength? Torsai K
Tensile strength resists stretching by the pull forces and is an essential strength for cables, chains, and ropes.
60
What is compressive strength? Torsai K
Compressive strength withstands push forces which try to crush or shorten.

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