Composites & Non-metalic Flashcards
0
Q
Define ‘C’ glass fibre
A
High resistance to corrosive material
1
Q
Define ‘A’ glass fibre
A
Standard window glass
2
Q
Define ‘D’ glass fibre
A
Improved electrical grade
For radomes
3
Q
Define ‘E’ glass fibre
A
Low alkali content
Good resin adhesion
4
Q
Define ‘R’ glass fibre
A
American and European glass ‘s’
5
Q
Define ‘S’ glass fibre
A
Strength 40% greater than ‘E’ glass
Temp stable 700C
6
Q
Define filament
A
A single fibre of glass fibre
7
Q
Define size
A
A lub used on the fibres used in manufacture
8
Q
Define Finish
A
Compound to improve handling
9
Q
Define strands
A
A number of filaments bound together
10
Q
TEX count
A
Weight of strands in g/km
11
Q
Define Roving
A
Loose combination of strands with no twist
12
Q
Define yarn
A
- > Single yarn -> one or more strand with twist 20-40 turns per metre
- > plied yarns -> two or more single yarns with opposite twists.
13
Q
Define cheese
A
A roll or spool of roving prior to weaving
14
Q
Define warp
A
Longitudinal direction
