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Dt > Core materials > Flashcards

Core materials Flashcards

1
Q

what is a ferrous metal?

A

a metal that contains iron

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2
Q

what is a non ferrous metal?

A

a metal that does not contain iron

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3
Q

what is an alloy?

A

a mix of two or more metals

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4
Q

what’s some examples of ferrous alloys?

A

low carbon steel, medium carbon steel, cast iron

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5
Q

what’s some examples of non ferrous metals?

A

gold, zinc, copper, aluminium

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6
Q

what’s some examples of non ferrous alloys?

A

brass, duralumin, bronze, pewter

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7
Q

what’s some examples of ferrous alloys?

A

stainless steel, die steel

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8
Q

what types of metals are there?

A

ferrous, non ferrous, alloy

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9
Q

what types of woods are there

A

hardwood, soft wood, manufactured board

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10
Q

what’s a hard wood?

A

wood that comes from deciduous trees which loose their leaves in winter

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11
Q

what’s a soft wood?

A

wood from coniferous trees that do not loose their leaves in winter

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12
Q

what’s a manufactured board?

A

a manmade composite material which is made out of softwood

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13
Q

what’s some examples of hardwoods?

A

oak, mahogany, teak, birch

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14
Q

what’s some examples of softwoods?

A

pine, larch, Douglas fir, redwood

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15
Q

whats some examples of manufactured boards?

A

MDF, plywood, chipboard, block board

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16
Q

what types of polymers are there?

A

thermoplastic, thermosetting plastic, elastomer

17
Q

what is a thermoplastic?

A

thermoplastics can be melted down and recycled when heated due to their long liner molecular chains

18
Q

what is a thermosetting plastic?

A

thermosetting plastics can not are melted down when heated due to their heat resistance cause by rigid molecular crosslinks

19
Q

what is a elastomer

A

elastomers have very loose molecular bonds. this means that even when at room temperature they can be manipulated when force is applied. one the force is released they will turn back to their original shape and length

20
Q

what’s some examples of thermoplastics?

A

ABS, PMMA, LDPE, HDPE, HIPS, PP, PET, PVC, nylon

21
Q

what’s some examples of thermosetting plastics?

A

epoxy resin, polyester resin, UF, MF

22
Q

what’s some examples of elastomers?

A

natural rubber, silicone, neoprene, polybutadiene

23
Q

why are papers and boards compliant materials?

A

they are seen as compliant materials as the can be scored, folded and cut with basic tools

24
Q

what’s some examples of papers?

A

layout, cartridge, tracing, bleed proof, watercolour, treated

25
Q

what’s some examples of cards?

A

corrugated, bleached, mount board, duplex, metal effect, foil backed, laminated, moulded paper pulp

26
Q

what are composite materials?

A

2 or more materials that have been either mixed or used together in order to combine there properties in one form

27
Q

what’s some examples of composite materials?

A

CFRP, GRP, tungsten carbide, aluminium composite board, concrete, fibre cement, manufactured board

28
Q

what are smart materials?

A

a material of which physical properties change in response to changes to its environment

29
Q

what’s some examples of smart materials?

A

SMA, thermochromatic pigment, thermochromatic film, phosphorescent pigment, photochromic pigment, electroluminescent wire, piezo electric material

30
Q

what is a modern material?

A

a material developed through invention of new or improved processes. man made materials or human intervention

31
Q

what’s some examples of modern materials?

A

kevlar, PMC, high density modelling foam, polymorph

32
Q

what are the 2 categories of material properties?

A

mechanical and physical

33
Q

what are the stock forms of timber?

A

rough sawn, planed square edge, planed all round, natural wood, manufactured boards and mouldings

Dt (11 decks)

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