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Design Tech As Level > Material Prpoerties And timbers > Flashcards

Material Prpoerties And timbers Flashcards

1
Q

Define Thermo polymer

A

Polymer that can be formed and re-shaped multiple times using heat

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2
Q

Define non-ferocious metal

A

A metal that does not contain iron

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3
Q

Define a smart material

A

A material that reacts to non-external stimulus

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4
Q

Define composite

A

A mixture of two or more dissimilar materials

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5
Q

Define hardwood

A

Timber from deciduous trees

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6
Q

Define blended fibre

A

A blend of synthetic and natural fibres

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7
Q

Define modern material

A

Material that have been engineered to have more improved properties

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8
Q

Define papers and boards

A

Materials made from cellular fibres found in wood or grass

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9
Q

Define synthetic fibres

A

Fires made by humans through chemicals synthetics

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10
Q

Define softwood

A

A timber from coniferous trees

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11
Q

Define ferocious metal

A

A metal containing iron

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12
Q

Define thermosetting polymer

A

Polymer that can only be formed or shaped once

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13
Q

Define an alloy

A

And mixture of two or more metals

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14
Q

Define biopolymer

A

A natural polymer produced by cells of living organisms

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15
Q

Define natural fibres

A

Fibres produced by geological processes or from bodies of plants and animals

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16
Q

Define manufactured board

A

Sheets and materials made from pressing together wood fibres / veneers (with adhesive)

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17
Q

Explain the term of mechanical

A

How a material reacts to external forces

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18
Q

Explain the term physical

A

The observable characteristics of a material

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19
Q

List some mechanical properties(10)

A

Compressive strength💪tensile strength💪sheer strength💪
hardness🚫toughness‼️
corrosion resistance⭕️
elasticity 📿, flexibility, 🤸🏼‍♀️
ductility🛜malleability🖱️

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20
Q

List some physical properties (8)

A

-Thermal conductivity-♨️
-electrical conductivity-⚡️
-durability 👍🏽plasticity🖱️absorbency🧽flammability🔥density🧊
-strength to weight ratio💪

21
Q

Name the five types of manufactured boards

A

Plywood, aero-ply, Flexi ply, chipboard, MDF

22
Q

Name the six types of hardwood

A

Oak, Ash, mahogany, teak,birch,beech

23
Q

Name the four types of softwood

A

Pine, spruce,larch ,cedar

24
Q

Name the three polymers

A

Thermal polymer
thermosetting polymer
bio polymer

25
Q

Name the three types of woods

A

Hardwood softwood and manufactured board

26
Q

Name the three types of metals

A

Ferocious
non-ferocious
alloy

27
Q

Name the papers & boards

A

Corrugated card -bleached white card -foam board -duplex board -foil line board

28
Q

Name the three types of textiles (types of fibres)

A

Natural fibres, synthetic fibres and blended fibres

29
Q

Define compressive strength

A

The ability to withstand pushing forces without deformation

30
Q

Define tensile strength

A

The ability to withstand pulling forces without deformation

31
Q

Define sheer strength

A

The ability to withstand sideways or cutting forces without defamation

32
Q

Define hardness

A

The ability to withstand dense scratches or abrasive action

33
Q

Define toughness

A

The ability to withstand sudden impacts without deforming or breaking

34
Q

Define corrosion resistance

A

The ability to withstand damages from the environment such as air ,water and chemicals

35
Q

Define elasticity

A

The ability to be stretched or deformed and returned to original shape

36
Q

Define flexibility

A

The ability to bend without breaking

37
Q

Define ductility

A

The ability to be stretched into a thin wire and not lose any of its properties

38
Q

Define malleability

A

They will be shaped or formed without fracturing or cracking

39
Q

Define thermal conductivity

A

They will allow heat to pass or flow through a material

40
Q

Define electrical conductivity

A

The ability to allow electricity to pass or flow through a material

41
Q

Define durability

A

The ability to withstand wear and tear overtime

42
Q

Define plasticity

A

To be easily shaped or moulded

43
Q

Define plasticity

A

To be easily shaped or moulded

44
Q

Define absorbency

A

The abilities to take in water/moisture

45
Q

Define absorbency

A

The ability to take in water and moisture

46
Q

Define flammability

A

The ease to which a material can ignite or combust

47
Q

Define density

A

The mass per volume of a material

48
Q

Define strength to weight ratio

A

The strength of a material divided by its mass

Design Tech As Level (3 decks)

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