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GCSE AQA DT (Textiles) > Materials and their properties > Flashcards

Materials and their properties Flashcards

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1
Q

Bleed proof paper

A

White prevents solvent based markers fr bleeding.
Drawings, water or spirit based markers

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2
Q

Grid paper

A

Faint grid lines
Maths or scientific paper

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3
Q

Layout paper

A

Off white translucent and lightweight, smooth. Sketching and tracing paper

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4
Q

Cartridge paper

A

Thick cream white. Slight texture. Takes pens and watercolors well

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5
Q

Tracing paper

A

Translucent and thin , overlays, working drawings

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6
Q

Foil lined board

A

Good insulator, stiff, oil resistant, food packaging

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7
Q

Corrugated cardboard

A

Good insulator, excellent impact resistance, absorbs shock, lightweight

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8
Q

Duplex board

A

Two layers card bonded together coatings improve functionality
Food and drinking packaging

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9
Q

Foam board

A

Two pieces foam core thick but lightz smooth, model making, prototypes

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10
Q

Injection card

A

Treated card to make smooth finish
Inches printers

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11
Q

Solid whiteboard

A

High quality , easily cut and creased, boom covers, greeting cards

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12
Q

Brass

A

Copper and zinc, malleable easy to cast. Instrument

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13
Q

Stainless steel

A

Hard to smooth, malleable. Resists rust well. Chromium, iron and carbon

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14
Q

High speed steel

A

Withstand high temp and very hard

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15
Q

Cast iron

A

Hard and easily cast into shapes

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16
Q

Low carbon steel

A

Touch ductile, easily welded

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17
Q

High carbon steel

A

Hard wearing, less ductile, less malleable

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18
Q

Aluminum

A

Lightweight, high strength to weight ratio, ductile

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19
Q

Copper

A

Ductile, malleable, electrical/thermal conductor

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20
Q

Tin

A

Soft, malleable, ductile, electric conductor

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21
Q

Zinc

A

Faur conductivity, malleability and ductility.

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22
Q

Acrylic

A

Tough, hard-wearing, rigid, brittle when thin.
Baths, car headlights

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23
Q

HIPS

A

Shatterproof, flexible, lightweight, impact resistant
Yoghurt pots, children’s toys

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24
Q

HDPE

A

Lightweight, chemically resistant, stiff
Hard hats, milk crates and bottlea

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25
Q

LDPE

A

Lightweight, flexible, tough
Carrier bags, packaging, squeezy bottles

26
Q

PP

A

Hard wearing, chemical resistant lightweight, low density
Kitchen utensil, toys, seating

27
Q

PVC

A

Though and durable, can be rigid.
Credit cards, pipes

28
Q

PET

A

lightweight, chemically resistant,
Drinks bottles, food packages

29
Q

Epoxy resin

A

Tough with high abrasion resistance, adhesive and circuit boards

30
Q

Melamine formaldehyde

A

Hard, rigid, brittle, chemical and scratching resistant
Worktops, tableware

31
Q

PF

A

Hard, rigid, brittle, electric insulator, saucepan handles

32
Q

Polyester resin

A

Good strength to weight ratio
Heat resistant, good insulator
Kayaks,car panels

33
Q

Urea formaldehyde

A

Hard, rigid, brittle electrical insulator, good heat resistance

34
Q

Balsa

A

Soft, lightweight, strong, open grains, fast growing
Prototypes

35
Q

Mahogany

A

Durable, rich colour
Furniture, instruments

36
Q

Beech

A

Tough, durable, fine finish
Furniture

37
Q

Oak

A

..

38
Q

Larch

A

Durable, tough, good water resistance
Boats

39
Q

Pine

A

Lightweight, easy to work with

Windoframes

40
Q

Spruce

A

High stiffness to weight ratio
Violins

41
Q

Cotton

A

Strong, absorbent, breathable
T-shirts, socks , scrubs

42
Q

Silk

A

Lightweight, strong, easily creased, expensive
Silk scarf, lingerie, ties

43
Q

Wool

A

Soft, warm, not easily creased, water repellent, shrinks easily, absorbs moisture
Blankets, carpet

44
Q

Polyester

A

Crease resistant, doesn’t absorb water, easily blended, not warm

45
Q

Nylon

A

Lightweight, strong, abrasion resistant, doesn’t absorb water
Shoelaces , sportswear

46
Q

Elastane

A

Stretchy, quick drying, crease resistant, needs to be blended

47
Q

Woven fabric constructed

A

Weft yarns run horizontally, warp vertically. Interlocking yarns at right angles.

48
Q

Knitting construction

A

Weft knitting: interlocking loops formed horizontally and can stretch but may unravel easily.
Warp knitting: interlocking hoops vertically, it keeps shape and less likely to unravel

49
Q

Bonded

A

Adhesives used

50
Q

Felting

A

High heat and high pressure and moisture

51
Q

Strength

A

Ability to withstand tension

52
Q

Hardness

A

Ability to withstand abrasion, scratching or denting

53
Q

Thoughness

A

Ability to absorb impact without breaking or snapping

54
Q

Malleability

A

Ability to permanently deform without snapping etc.

55
Q

Ductility

A

Ability to be drawn out into thin lengths

56
Q

Elasticity

A

Ability to bend and return to shape

57
Q

Density

A

Mass of material per unit vol

58
Q

Absorbancy

A

How much moisture it can intake

59
Q

Fusibility

A

Ability to change liquid or molten state when heated

60
Q

Electrical conductivity

A

Ability to conduct electricity

61
Q

Thermal conductivity

A

Ability to conduct heat

GCSE AQA DT (Textiles) (8 decks)

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