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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
smart materials
thermo-ceramics, shape memory alloys (SMA), reactive glass, liquid crystal display (LCD), photochromic materials, thermochromic materials, quantum tunnelling composites
26
heat treatments
hardening, tempering, case hardening, annealing, normalising
27
What is the case hardening process?
carburising and quenching
28
MDF
Medium Density Fibreboard. This is a manufactured board that is made from sawdust and glue pressed into a sheet
29
plywood
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
Chipboard
Wood chips that are glued together to make flat sheets.
31
Plywood properties
Stable Very Strong Flexible Fire Resistant Softwood Many Layers Manufactured Board
32
MDF properties
Dense No Grain Stable Hardwood Manufactured Board
33
Chipboard properties
Very Thick Lightweight Rigid Smooth Surface Softwood Manufactured Board
34
Chipboard uses
Often veneered or covered with polymer laminate, kitchen worktops and units, shelving and flat pack furniture
35
Oak wood properties
Strong Heavy Durable Resistant to fungi
36
Compliant Materials
A material that can be scored, folded, and cut: netting and packaging.
37
Layout Paper
Thin translucent + smooth surface sketching, tracing. Layout Paper
38
Cartridge Paper
Slightly textured surface. Used for sketching, rendering in pencil, ink.
39
Tracing Paper
Translucent paper, slightly thicker than layout paper. Used for copying images when sketching
40
Treated Paper
Plain paper with a clear binder or dye layer applied to help hold the image on the paper surface. Used for photographic printing
41
Corrugated Card
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
Bleached Card
Chemically treated to brighten the surface to make it suitable for high-quality printing. Used for greeting cards and high quality packaging
42
Mount Board
Made from compressed fine cotton fibres to produce a rigid board. Used for presenting artwork, picture mounting and modelling
43
Duplex Card
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
Foil Backed And Laminated Card
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
Oak
Hard, tough, attractive grain, good weather resistance, corrodes steel screws or fixings. Uses: Boat building, furnitures, floorings
46
Mahogany
Contain interlocking grain - marking it more difficult to work with Uses: Indoor furniture, cabinets, veneers commonly used on manufactured boards.
47
Ash
Tough, open grained (attractive) - makes it more flexible Uses: Sports goods, tool handles, laminating
48
Birch
Hard, straight close grained, resists warping Uses: Indoor panelling, veneers (for birch-paced plywood construction )
49
Beech
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
Pine
Straight grained, resistance to splitting Uses: Interior furniture
51
larch
Hard, tough, attractive grain pattern which fades to silver upon exposure outside, good resistance to moisture Uses: Garden furniture, fencing
52
LDPE (low density polyethylene)
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
Polypropylene (PP)
Available in translucent, good chemical resistance, tough, good impact resistance, food safe, light weight Uses: Folders, food containers, medical equipment
53
HDPE - high density polyethylene
Available in translucent form, good stiffness, weather proof, tough, good chemical resistance Uses: Long life carrier bags, buckets, bowls, toys
54
ABS (Acrylonitrile Butadiene Styrene)
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
HIPS (High Impact Polystyrene)
Hard, rigid rigid, available in translucent, tough, good impact resistance, lightweight Uses: Yogurt pots, single use drink cups, toilet seats
55
Jelutong
hardwood-Indonesia-low density, straight grain,fine texture

product design (3 decks)

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