Core Materials Flashcards
What are the two types of wood?
Hardwood and Softwood.
What trees make Softwood?
Coniferous
What trees make hardwood?
Decidious
What are the properties of Softwood?
- Grow in cooler climates
- Loosier grain strucutre
- Grow Tall so easy to manifacture
- Cheap, grow quicker
- They are evergreen so don’t lose their leaves.
- Easier to work with
What are properties of Hard Wood?
- Grow in temperate climates
- Tighter grain
- More Expensive, take longer to grow
- Lose leaves in winter
- Broad-leaved trees
Types of Hardwood?
- Ash
- Mahogany
- Oak
Types of Softwood?
- Pine
- Spruce
- Larch
Examples of what Hard Woods are used for?
- Furniture
- Flooring
- Firewood
Examples of what Soft Wood is used for?
- Paper
- Timber
- Construction
Is wood Sustainable and why?
Timber is Sustainable when harvested responsibly. If you cut a tree down and then regenerate it by planting it back.
Who is the FSC?
The Forest Stewardship Council. There role is to sustainably get wood from a forest, by splitting the forest into sections cut some trees down and then leave that plot to grow back to sustainable point. Then repeat the process.
Why do timber merchants what to be associated with FSC?
Makes them look good because their caring for the environment and will stay in buisness as they have wood to sell.
What are the two types of Metal?
Ferous - Contain Ion which makes it magnetic.
Non-Ferous - Does not contain Iron so is not magnetic.
Properties of Ferous Metals?
- Hard
- Non-malleable
- Carbon content means prone to corrosion
Properties of Non-Ferous Metals?
- Resistant to Corrosion
- Malleable
- Good conductive of heat