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product design > materials timbers metals papers and boards > Flashcards

materials timbers metals papers and boards Flashcards

1
Q

Hardwoods

A

oak, mahogany, beech, jetulong, balsa

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2
Q

Softwoods

A

pine, cedar, larch, redwood, spruce

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3
Q

What are ferrous metals?

A

metals that contain iron

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4
Q

Ferrous metals

A

mild steel, carbon steel, cast iron

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5
Q

Non-ferrous metals

A

aluminium, copper, zinc, tin

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6
Q

Alloys

A

stainless steel, duralumin , brass

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7
Q

What are alloys?

A

mixture of 2 or more metals or a metal and another element

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8
Q

Thermosetting plastics

A

epoxy resins, urea-formaldehyde, polyester resin

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9
Q

What are thermoplastics?

A

they can be shaped when heated

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10
Q

Thermoplastics

A

PET, HDPE, PVC, LDPE, PP, Acrylic, ABS, PMMA

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11
Q

What are Elastomers?

A

polymers at room temperature can be deformed under pressure and upon release of pressure, return to original shape

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12
Q

Elastomers

A

natural rubber, neoprene (polychloroprene rubber)

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13
Q

What are composites?

A

Two or more materials combined together by bonding with enhanced properties

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14
Q

Composites

A

glass fibre reinforced plastic GRP, carbon fibre reinforced plastic CFRP, MDF, hardboard, chipboard, plywood

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15
Q

drawing papers

A

layout paper, tracing paper, copier paper, cartridge paper

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16
Q

commercial printing papers

A

bond, coated

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17
Q

natural fibres

A

cotton, linen, wool

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18
Q

boards

A

mounting board, corrugated board, foam board, folding boxboard, foil-lined board

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19
Q

What are natural fibres?

A

fibres from plant sources and can be recycled, biodegrade and naturally reoccur

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20
Q

What are smart materials?

A

Materials which change physical properties in response to their environment, such as light, temperature, electricity and pressure.

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21
Q

manmade fibres

A

nylon, polypropylene, and polyester

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22
Q

what are manmade fibres?

A

do not occur naturally, they are synthetic and developed in a lab

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23
Q

What are modern materials?

A

A material that has been engineered to have improved properties as a result of man made materials and human intervention

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24
Q

performance characteristics

A

conductivity, strength, elasticity, plasticity, malleability, ductility, hardness, toughness, durability, biodegradability

25
Q

smart materials

A

thermo-ceramics, shape memory alloys (SMA), reactive glass, liquid crystal display (LCD), photochromic materials, thermochromic materials, quantum tunnelling composites

26
Q

heat treatments

A

hardening, tempering, case hardening, annealing, normalising

27
Q

What is the case hardening process?

A

carburising and quenching

28
Q

MDF

A

Medium Density Fibreboard. This is a manufactured board that is made from sawdust and glue pressed into a sheet

29
Q

plywood

A

Thin sheets of wood glued together so that the grains are at right angles to one another; an odd number of sheets will be used so that the grain on the front and back will always run the same direction.

30
Q

Chipboard

A

Wood chips that are glued together to make flat sheets.

31
Q

Plywood properties

A

Stable
Very Strong
Flexible
Fire Resistant
Softwood
Many Layers
Manufactured Board

32
Q

MDF properties

A

Dense
No Grain
Stable
Hardwood
Manufactured Board

33
Q

Chipboard properties

A

Very Thick
Lightweight
Rigid
Smooth Surface
Softwood
Manufactured Board

34
Q

Chipboard uses

A

Often veneered or covered with polymer laminate, kitchen worktops and units, shelving and flat pack furniture

35
Q

Oak wood properties

A

Strong
Heavy
Durable
Resistant to fungi

36
Q

Compliant Materials

A

A material that can be scored, folded, and cut: netting and packaging.

37
Q

Layout Paper

A

Thin translucent + smooth surface sketching, tracing. Layout Paper

38
Q

Cartridge Paper

A

Slightly textured surface. Used for sketching, rendering in pencil, ink.

39
Q

Tracing Paper

A

Translucent paper, slightly thicker than layout paper. Used for copying images when sketching

40
Q

Treated Paper

A

Plain paper with a clear binder or dye layer applied to help hold the image on the paper surface. Used for photographic printing

41
Q

Corrugated Card

A

Usually with carton board outer layers and a corrugated middle layer, giving the material the ability to provide protection against impact. Used for protective packaging, model making, prototyping ideas and food packaging.

41
Q

Bleached Card

A

Chemically treated to brighten the surface to make it suitable for high-quality printing. Used for greeting cards and high quality packaging

42
Q

Mount Board

A

Made from compressed fine cotton fibres to produce a rigid board. Used for presenting artwork, picture mounting and modelling

43
Q

Duplex Card

A

Made up of two layers of paper, with the exterior often coated to make it more water-resistant and to give it a glossy sheen and waxy feel. Used for food packaging such as juice or milk cartons, disposable cups and plates

44
Q

Foil Backed And Laminated Card

A

Card with polymer film or foil applied to provide a water-resistant and/or heat insulating layer. Used for drinks packaging, milk cartons, takeaway box lids

45
Q

Oak

A

Hard, tough, attractive grain, good weather resistance, corrodes steel screws or fixings.
Uses:
Boat building, furnitures, floorings

46
Q

Mahogany

A

Contain interlocking grain - marking it more difficult to work with
Uses:
Indoor furniture, cabinets, veneers commonly used on manufactured boards.

47
Q

Ash

A

Tough, open grained (attractive) - makes it more flexible
Uses:
Sports goods, tool handles, laminating

48
Q

Birch

A

Hard, straight close grained, resists warping
Uses:
Indoor panelling, veneers (for birch-paced plywood construction )

49
Q

Beech

A

Tough, close grained, hard, does not impact taste of food, white (steamed), pink (un-steamed)
Uses:
Chairs, chopping boards, steam-bent laminate furniture, turned bowls

50
Q

Pine

A

Straight grained, resistance to splitting
Uses:
Interior furniture

51
Q

larch

A

Hard, tough, attractive grain pattern which fades to silver upon exposure outside, good resistance to moisture
Uses:
Garden furniture, fencing

52
Q

LDPE (low density polyethylene)

A

Low density ( means it’s light weight), low stiffness and rigidity, Very tough, good chemical resistance, weather proof, low levels of rigidity
Uses:
Squeeze detergent bottles, totals, food wrap film, food trays, bin liner

52
Q

Polypropylene (PP)

A

Available in translucent, good chemical resistance, tough, good impact resistance, food safe, light weight
Uses:
Folders, food containers, medical equipment

53
Q

HDPE - high density polyethylene

A

Available in translucent form, good stiffness, weather proof, tough, good chemical resistance
Uses:
Long life carrier bags, buckets, bowls, toys

54
Q

ABS (Acrylonitrile Butadiene Styrene)

A

High impact strength, extremely tough with good strength, hard, lightweight, durable, available in opaque
Uses:
Telephone handsets, calculator castings, remote control casting, computer housings

54
Q

HIPS (High Impact Polystyrene)

A

Hard, rigid rigid, available in translucent, tough, good impact resistance, lightweight
Uses:
Yogurt pots, single use drink cups, toilet seats

55
Q

Jelutong

A

hardwood-Indonesia-low density, straight grain,fine texture

product design (3 decks)

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