Textiles-Unit 3: Materials and their Working Properties
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Last updated 9:58 AM on 4/13/23
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41 Terms
1
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Where are hardwood trees typically found?
Tropical or subtropical climates
2
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What qualities do hardwood trees have?
\-Deciduous
\-Large broad leaves that drop in winter
\-Normally produce a seed or fruit
\-Large broad leaves that drop in winter
\-Normally produce a seed or fruit
3
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Where are softwood trees typically found?
Cooler climates
4
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What qualities do softwood trees have?
\-Coniferous
\-Bear needles and cones which stay all year round
\-Bear needles and cones which stay all year round
5
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What are key differences between hard and soft wood?
\-Softwoods have a looser grain structure
\-Hardwoods are tougher
\-Hardwoods are more expensive
\-Hardwoods are tougher
\-Hardwoods are more expensive
6
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Veneers
Thin slices of a more expensive wood covering a cheaper wood
7
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What are Manufactured boards made from?
Waste wood, low grade timer and recycled timber
8
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Examples of Hardwoods
\-Ash
\-Beech
\-Mahogany
\-Osk
\-Balsa
\-Beech
\-Mahogany
\-Osk
\-Balsa
9
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Examples of Softwoods
\-Larch
\-Pine
\-Spruce
\-Pine
\-Spruce
10
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What are the qualities and uses of ash?
\-Pale cream
\-Flexible, shock resistant
\-Used in sport equipment and garden tool handles
\-Flexible, shock resistant
\-Used in sport equipment and garden tool handles
11
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What are the qualities and uses of beech?
\-Pink with a tight grain
\-Finishes well and very durable
\-Used in children’s toys
\-Finishes well and very durable
\-Used in children’s toys
12
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What are the qualities and uses of mahogany?
\-Reddish brown
\-Finishes well and very durable
\-Used in high end furniture
\-Finishes well and very durable
\-Used in high end furniture
13
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What are the qualities and uses of oak?
\-Light brown with variable grain
\-Finishes well and very durable
\-Used in flooring and furniture
\-Finishes well and very durable
\-Used in flooring and furniture
14
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What are the qualities and uses of balsa?
\-Pale brown with open grain
\-Lightweight, soft and thin, prone to snapping
\-Used in aircraft and boat model kits
\-Lightweight, soft and thin, prone to snapping
\-Used in aircraft and boat model kits
15
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What are the qualities and uses of larch?
\-Pale brown with dark grain
\-Tough and water resistant
\-Used in furniture, cladding flooring and joinery
\-Tough and water resistant
\-Used in furniture, cladding flooring and joinery
16
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What are the qualities and uses of pine?
\-Pale yellow to brown
\-Lightweight, easy to work with, can split
\-Used in furniture and decking
\-Lightweight, easy to work with, can split
\-Used in furniture and decking
17
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What are the qualities and uses of spruce?
\-Cream with even grain
\-Easy to work with, stiff and lightweight
\-Used in musical instruments and furniture
\-Easy to work with, stiff and lightweight
\-Used in musical instruments and furniture
18
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How is paper measured?
GSM
19
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Examples of common types of paper
\-Cartridge paper
\-Layout paper
\-Tracing paper
\-Layout paper
\-Tracing paper
20
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What is the weight of bleedproof paper?
70 GSM
21
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What is the weight of cartridge paper?
120-150 GSM
22
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What is the weight of grid paper?
80 GSM
23
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What is the weight of layout paper?
40-60 GSM
24
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What is the weight of tracing paper?
40-120 GSM
25
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What is the weight of corrugated cardboard?
1000-5000 microns
26
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What is the weight of duplex board?
200-500 GSM
27
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What is the weight of foil lined board?
200-400 GSM
28
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What is the weight of inkjet card?
120-350 GSM
29
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What is the weight of solid white board?
200-500 GSM
30
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What is a micron?
1 mm of board thickness
31
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What is absorbency?
The materials ability to absorb
32
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What is density?
How compact the material is and th mass of material per unit volume
33
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What is fusibility?
The materials ability to be converted through heat to a liquid state then fused with another before cooling as one material
34
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What is electrical conductivity?
The materials ability to conduct electricity
35
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What is thermal conductivity?
The materials ability to conduct heat
36
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What is strength?
The materials ability to withstand force
37
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What is hardness?
The materials ability to resist wear and indentation through sudden impact
38
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What is toughness?
The materials ability to absorb energy through shock without fracturing
39
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What is malleability?
The materials ability to change shape under compression without breaking
40
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What is ductility?
The materials ability to be stretched out into a wire without breaking
41
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What is elecisity?
The materials ability to return to its original shape after being compressed or stretched