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Composites datasheet
- 1. Composite Materials Processing
1.
ultmultfmultf
ultfmultm
f
E
E
V
)()()(
)()(
)( min
2.
ultfmultf
ultfmultm
criticalf
E
E
V
)()(
)()(
)(
3.
12
21
1
)(
)(
ult
T
ult
C E
4. )1()()( 3
2 fult
T
mult
T
V
5.
11)()( 2
f
m
ult
T
mult
T
E
E
s
d
6.
11)()( 2
f
m
ult
C
mult
C
E
E
s
d
a.
fV
s
d 4
7. ],min[)( 211
CC
ult
C
SS
a. f
fmf
f
m
ff
C
V
EEV
E
E
VVS
13
121
b.
f
mC
V
G
S
1
2
8. multmfultfult
C
VV )()(2)( 1
9. ult
T
ult
T
E )()( 222
10. ult
C
ult
C
E )()( 222
11. Elements of Compliance matrix [S]
1
11
1
E
S
2
22
1
E
S
2
21
1
12
2112
EE
SS
12
66
1
G
S
12. Elements of Stiffness matrix [Q]
2112
1
11
1
E
Q
2112
2
22
1
E
Q
2112
121
2112
212
2112
11
EE
QQ 1266 GQ
13. Transformed Compliance matrix ][S
)(2)( 4
22
22
6612
4
1111 SSCSSSCSS
)(2)( 4
22
22
6612
4
1122 CSCSSSSSS
22
662211
44
1212 )( CSSSSCSSS
3
661222
3
66121116 2222 CSSSSSCSSSS
3
661222
3
66121126 2222 SCSSSCSSSSS
44
66
22
6612221166 4222 CSSSCSSSSS
14. Transformed Stiffness matrix ][Q
)(22)( 4
22
22
6612
4
1111 SQCSQQCQQ
)(22)( 4
22
22
6612
4
1122 CQCSQQSQQ
22
662211
44
1212 4)( CSQQQCSQQ
3
662212
3
66121116 22 CSQQQSCQQQQ
3
662212
3
66121126 22 SCQQQCSQQQQ
44
66
22
6612221166 22 CSQSCQQQQQ
- 2. Table 1: Typical properties of Fibres (SI system of units)
Table 2: Typical properties of Matrices (SI system of units)
S. No Property Units Graphite Glass Aramid
1 Axial Modulus GPa 230 85 124
2 Transverse Modulus GPa 22 85 8
3 Axial Poisson’s Ratio - 0.3 0.2 0.36
4 Axial Shear Modulus GPa 22 35.42 3
5 Axial Coefficient of thermal expansion µm/m/°C -1.3 5 -5
6 Transverse Coefficient of thermal expansion µm/m/°C 7 5 4.1
7 Axial Tensile Strength MPa 2067 1550 1379
8 Axial Compressive Strength MPa 1999 1550 276
9 Transverse Tensile Strength MPa 77 1550 7
10 Transverse Compressive Strength MPa 42 1550 7
11 Shear Strength MPa 36 35 21
12 Specific Gravity - 1.8 2.5 1.4
S. No Property Units Epoxy Aluminium Polyamide
1 Axial Modulus GPa 3.4 71 3.5
2 Transverse Modulus GPa 3.4 71 3.5
3 Axial Poisson’s Ratio - 0.3 0.3 0.36
4 Transverse Poisson’s Ratio - 0.3 0.3 0.35
5 Axial Shear Modulus GPa 1.308 27 1.3
6 Coefficient of thermal expansion µm/m/°C 63 23 90
7 Coefficient of moisture expansion m/m/kg/kg 0.33 0 0.33
8 Axial Tensile Strength MPa 72 276 54
9 Axial Compressive Strength MPa 102 276 108
10 Transverse Tensile Strength MPa 72 276 54
11 Transverse Compressive Strength MPa 102 276 108
12 Shear Strength MPa 34 138 54
13 Specific Gravity - 1.2 2.7 1.2