457152
Description
Mind Map by Keira-Buchanan, updated more than 1 year ago
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Created by Keira-Buchanan
almost 12 years ago
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Res Mat - materials
& components
- Properties
- Strength
- Ability to withstand forces
without breaking
- Ability to withstand forces
without breaking
- Hardness
- Ability to withstand scratching,
rubbing or denting
- Ability to withstand scratching,
rubbing or denting
- Toughness
- Hard to break or snap
- Hard to break or snap
- Elasticity
- Stretch and bend and return to their
normal shape
- Stretch and bend and return to their
normal shape
- Plasticity
- If a material can change
shape permanently without
breaking
- If a material can change
shape permanently without
breaking
- Impact resistance
- Ability to withstand a
sudden force without
cracking
- Ability to withstand a
sudden force without
cracking
- Chemical resistance
- If it degrades when in
contact with chemicals
- If it degrades when in
contact with chemicals
- Flexibility
- Bend but don't necessarily
return to normal shape
- Bend but don't necessarily
return to normal shape
- Strength to weight ration
- Strong but don't weigh much
- Strong but don't weigh much
- Strength
- Woods and Boards
- Soft woods
- Fairly cheap
- Pine, cedar, yew
- Fairly cheap
- Hard woods
- More expensive
- Oak, elm, mahogany
- More expensive
- Plywood
- Strong, layers, more expensive
- Strong, layers, more expensive
- MDF & chipboard
- Compressed wood chips
- Compressed wood chips
- Soft woods
- Metals
- Ferrous
- Mild steel
- Strong, rusts easily,
can't be hardened,
cheap
- Strong, rusts easily,
can't be hardened,
cheap
- High carbon steel
- Can be hardened,
not easy to work,
rust, fairly expensive
- Can be hardened,
not easy to work,
rust, fairly expensive
- Stainless steel
- Hard, won't
rust, very
expensive
- Hard, won't
rust, very
expensive
- Mild steel
- Non-ferrous
- Aluminium
- Light weight, corrosion
resistant, not as strong,
cheaper
- Light weight, corrosion
resistant, not as strong,
cheaper
- Brass
- Quite strong,
corrosion resistant,
malleable,
aesthetics,
expensive
- Quite strong,
corrosion resistant,
malleable,
aesthetics,
expensive
- Copper
- Soft, malleable,
electrical conductor,
very expensive
- Soft, malleable,
electrical conductor,
very expensive
- Aluminium
- Ferrous
- Plastics
- Thermoplastics
- Recyclable, easy to shape
- Acrylic, ABS, HIPS,
LDPE, HDPE
- Ac. - hard, shiny, brittle
- ABS - tough, durable
- HIPS - rigid
- LDPE - soft & flexible
- HDPE - stiff & strong
- Ac. - hard, shiny, brittle
- Recyclable, easy to shape
- Thermosetting
- Non-recyclable, rigid
- Epoxy resin, urea-formaldehyde
- Non-recyclable, rigid
- Self-finishing -
corrosion
resistant. Use
wet/dry paper
or buffing
machine
- Thermoplastics
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