1.12 Modern Materials Flashcards
1
Q
Define modern materials
A
Materials that are developed through the invention of new improved process
2
Q
State feature of kevlar
A
Aramid fibers with high cut and heat resistant properties
3
Q
State two uses of kevlar
A
- Body armour
- Cut-proof gloves and aprons
- Aerospace applications,
- Surfboard components
- Puncture resistant bicycle tryes
4
Q
State features of precious metal clay (PMC)
A
- Clay consistency material made up of line metal particles.
- Easily mouldable
- Easy to shape and form
- Sets hard once fired with a kiln or butane torch
- Inexpensive compared to solid metals such as sliver
5
Q
State two uses of precious metal clay (PMC)
A
- Jewellery
- Decorative items
- Small sculptures
- Fobs
6
Q
State features of high-density modelling foam
A
Polyurethane closed-cell foam blocks or sheets
- Lightweight
- Easy to work using traditional woodworking tools
- CNC miller/router
- Sands easily to allow intricate shapes and forms to be created
7
Q
State two uses of high-density modelling foam
A
- 3D modelling
- Prototypes
8
Q
State features of polymorph
A
Granules that becomes mouldable at about 60°C
- Can be heated in water or with a hair dryer
- Solidifies at room temperature
9
Q
State two uses of polymorph
A
- Modelling
- Shaping ergonomic handles
- Prototype mechanical parts
