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Design and Technolgy > 1.6 Materiel Categories > Flashcards

1.6 Materiel Categories Flashcards

1
Q

what 3 things is timber?

A
  • Recycle
  • Reusable
  • Renewable
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2
Q

Where do Hardwoods come from?

A

-They come from deciduous trees which can take years to mature

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3
Q

Name 4 of the Hardwoods?

A
  • Ash
  • Beech
  • Mahogany
  • Oak
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4
Q

Where do softwoods come from?

A
  • They come from coniferous trees
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5
Q

Name 3 of the softwoods?

A
  • Pine
  • Larch
  • Spruce
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6
Q

Name the 3 types of manufactured boards?

A
  • Plywood
  • Chipboard
  • Medium Density Fibreboards (MDF)
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7
Q

Describe What MDF is and how its made?

A

-MDF is made from tiny fibres of softwood Timbers that are held together by glue
- MDF is Natural Grain
- Its very cheap,dense,and has a smooth surface that takes paint and other paints well
- Its used in Shelves and Flat-pack Furniture

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8
Q

Describe What Chipboard is and how its made?

A
  • ChipBoard is made by Compressing wood chips ,shavings and sawdust together
  • It’s cheap,not very strong its very Absorbent
  • It’s usually used in A Veneered surface and In Cheap self-assembled furniture
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9
Q

Describe What Plywood is and how its made?

A

-Plywood is made by several layers of softwood and hardwood glued together with their grains at right angles
- The Structure makes it very strong for weightness and thickness compared to solid wood
- Its used in building and Furniture

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10
Q

What Is Chipboard Used For?

A
  • Its Used For Veneered Worktops and Flooring.
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11
Q

What Is MDF Used For?

A
  • Its Used For Kitchens and Flat- Pack Furniture.
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12
Q

What Is Plywood Used For?

A
  • Its Used For Shelving,Work Surfaces,Floors and Furnitures.
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13
Q

Write a Definition of a Ferrous Metal?

A
  • A Ferrous Metal or alloy contains Iron.
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14
Q

Name 4 characteristics that Ferrous Metals Contain?

A
  • 1) These Metals contain Iron.
  • 2) These Metals are Magnetic.
  • 3) These Metals Dont Have any protective coating so they will rust if its exposed to moisture.
  • 4) Other metals and compounds can be mixed with these metals to enhanced their properties like carbon.
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15
Q

Name the 5 ferrous metals?

A
  • Cast Iron
  • Low Carbon steel
  • High Carbon Steel
  • Steel
  • Mild Steel
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16
Q

Name The 4 characteristics That Non-Ferrous Metals Contain?

A
  • 1) These Metals don’t Contain Iron.
  • 2) These Metals Are generally not Magnetic.
  • 3) These Metals do Not Rust.
  • 4) These Metals can Oxidise Which Causes The surface of the metal to change colour.
17
Q

What The Appearance of Low Carbon Steel and How can This metal be formed and what will happen if its not protected?

A
  • Bright Grey in appearance With a Smoot Texture.
  • Low carbon steel is tough and Ductile.
  • This Metal can Be formed breezed and Welded easily.
  • If its Not protected the Metal will rust and Oxide.
18
Q

Name 4 Common uses of low carbon Steel?

A
  • 1) Car body Parts.
  • 2) Nuts and Bolts.
  • 3) screws and Nails.
  • 4) Steel beams and Building Industry.
19
Q

What the Appearance of high Carbon Steel and What Could Happen if Its Not Protected?

A
  • High carbon steel Is Bright, Grey in the appearance with a Smoot Texture.
  • The Metal Could Also Oxide If its not Protected.
20
Q

Name 4 Common Uses of High Carbon Steel?

A
  • 1) Blades.
  • 2) Scissors.
  • 3) Tools.
  • 4) Wood And Metal Cutting tools such as drill bats.
21
Q
A
22
Q

Name the 6 non-Ferrous metals contain

A
  • Aluminium
  • Copper
  • Gold
  • Silver
  • Tin
  • Zinc
23
Q

Write The Properties of Aluminum and Name its Uses?

A
24
Q

Write a Definition of a Alloy?

A
  • A Alloy is a Mixture of 2 or More metals or metals mixed with 1 or more elements.
25
Q

Name the 3 Characteristics that Alloys Contain?

A
  • 1) These metals are combined to improve their working Properties.
  • 2) These Metals are combined to improve their Aesthetics.
  • 3) Alloys are a Result of 2 or More metals mixed together where at least 1 Metal is non-Ferrous.
26
Q

Name The 4 Alloys?

A
  • Brass
  • Stainless steel
  • Cobalt
  • Tungsten
27
Q
A
28
Q
A
29
Q
A
30
Q

What do Thermoforming plastics not resist with

A
  • They don’t resists well with heat
31
Q

Name all of the 6 of the Thermoforming plastics

A
  • Acrylic
  • High density polyethylene
  • Polyethylene
  • High impact polystyrene
  • Polypropylene
  • Polyvinyl chloride
32
Q

Thermosetting plastics restis well with

A

-They resist heat and fire

33
Q

Name the 5 of the Thermosetting plastics

A

-Epoxy Resin
- Urea formaldehyde
- Phenol- Formaldehyde
Melamine formaldehyde
-Polyester Resin

34
Q
A

Design and Technolgy (20 decks)

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