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Product design > material properties and finishs > Flashcards

material properties and finishs Flashcards

1
Q

Ferrous metal

A

metal that contains iron

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2
Q

non ferrous

A

does not contain iron

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3
Q

alloy

A

a combination of two or more metals

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4
Q

Low carbon steel

A

malleable, ductile, good tensile strength - nuts and bolts

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5
Q

medium carbon steel

A

hard, malleable, good tensile strength - springs, gears and rail tracks

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6
Q

Grey cast iron

A

good resistance to oxidation, brittle, distributes heat even - Radiator, cookware

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7
Q

White cast iron

A

good abrasion resistance, hard, brittle - industrial roller, stone crusher

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8
Q

aluminum

A

good strength to weight ratio, soft, malleable, natural oxide layer to prevent corrosion - phone cases, bikes, window frames

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9
Q

Copper

A

malleable, ductile, conducts electricity and heat, - electric wire, hot water pipes

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10
Q

Zinc

A

ductile, layer of oxide to prevent corrosion - batteries, roofing materials used as a sacrificial anode

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11
Q

silver

A

electric and heat conductor, ductile - jewelry and mirrors

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12
Q

gold

A

ductile, malleable, unreactive - jewelry, electronics, dentistry

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13
Q

titanium

A

low density, durable, corrosion resistant - golf clubs, jewelry

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14
Q

tin

A

soft, malleable, good corrosion resistance - solder electronics

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15
Q

stainless steel

A

very hard, good impact resistant, good corrosion resistance - medical catering equipment and construction

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16
Q

die steel

A

hard, natural oxide layer to prevent corrosion- dies for die casting, tooling

17
Q

high speed steel

A

extremely hard, tough, withstand high temperatures - drill bits, tool blades, kitchen knives

18
Q

brass

A

low melting point, low friction, goo conductor of heat and electricity - valves, taps, musical instruments

19
Q

bronze

A

oxide layer to prevent corrosion, brittle - bells

20
Q

duralumin

A

ductile, malleable, excellent strength to weight ratio - aircraft parts, surgical instruments, walking poles

21
Q

pewter

A

soft, malleable, low melting point - flasks, trophies, decorative items

22
Q

cellulose

A

paint provides colour and barrier for corrosion - car bodies

23
Q

Acrylic

A

water based, durable - bicycles, roofing sheets, window frames

24
Q

electroplating

A

uses a desired metal to coat a cheap base metal, protective layer with aesthetic appeal - trophies, teapots

25
Q

galvanizing

A

coating iron of steel with zinc to form a protective layer - car parts, bicycle

26
Q

zinc hot dipping

A

workpiece is dipped into molten zinc at 840 •C then cooled and cleaned up- outdoor or indoor dustbin, stair brases

27
Q

Sealants

A

blocks passage of air and fluids through joints, prevent decay, weathering - kitchens and bathroom

28
Q

Preservatives

A

oil based applied through bonding electrostatically, spraying, wiping - machine bed

29
Q

anodizing

A

used on aluminum to provide a hard wearing corrosion resistance - vents, dust covers, patio covers

30
Q

anodisation process

A

oxygen ions released from the electrolyte combine aluminum atom on surface creating a aluminum oxide layer

31
Q

plating

A

plating increases wear resistance and lubricity, also improved conductivity, it’s when you use heat and pressure to fuse metals together - solar panels, jewelry, cutting tools

32
Q

polymer coating

A

dip coating provides a thick, wear resistant, water resistant air tight finish, heating up a metal then dipping it into fluidized polymer powder allowing heat to melt the bonds onto its surface - tools and batteries

33
Q

powder coating

A

a work price is statically charged then powder paint is sprayed then baked in a oven to allow them to bond together- window and doors

34
Q

catholic protection

A

sacrificial anodes are used to control corrosion of a metal - pipelines, boats, oil rig foundations

Product design (5 decks)

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