Editing Composite material (section)

====Mechanical properties of fiber composite materials====
{| class="wikitable"
|+Fibres @ 0° (UD), 0/90° (fabric) to loading axis, Dry, Room Temperature, V<sub>f</sub> = 60% (UD), 50% (fabric) Fibre / Epoxy Resin (cured at 120&nbsp;°C)<ref name=":2">{{cite web |title=Mechanical Properties of Carbon Fibre Composite Materials |url=http://www.performance-composites.com/carbonfibre/mechanicalproperties_2.asp |website=www.performance-composites.com |access-date=2020-05-22 |archive-date=2020-06-03 |archive-url=https://web.archive.org/web/20200603174526/http://www.performance-composites.com/carbonfibre/mechanicalproperties_2.asp |url-status=live}}</ref>
|
!Symbol
!Units
!Standard
Carbon Fiber

Fabric
!High Modulus
Carbon Fiber

Fabric
!E-Glass
Fibre Glass
Fabric
!Kevlar
Fabric
!Standard
Unidirectional

Carbon Fiber

Fabric
!High Modulus

Unidirectional

Carbon Fiber

Fabric
!E-Glass
Unidirectional

Fiber Glass
Fabric
!Kevlar
Unidirectional
Fabric
!Steel
S97
|-
!Young's Modulus 0°
|E1
|GPa
|70
|85
|25
|30
|135
|175
|40
|75
|207
|-
!Young's Modulus 90°
|E2
|GPa
|70
|85
|25
|30
|10
|8
|8
|6
|207
|-
!In-plane Shear Modulus
|G12
|GPa
|5
|5
|4
|5
|5
|5
|4
|2
|80
|-
!Major Poisson's Ratio
|v12
|
|0.10
|0.10
|0.20
|0.20
|0.30
|0.30
|0.25
|0.34
| –
|-
!Ult. Tensile Strength 0°
|Xt
|MPa
|600
|350
|440
|480
|1500
|1000
|1000
|1300
|990
|-
!Ult. Comp. Strength 0°
|Xc
|MPa
|570
|150
|425
|190
|1200
|850
|600
|280
| –
|-
!Ult. Tensile Strength 90°
|Yt
|MPa
|600
|350
|440
|480
|50
|40
|30
|30
| –
|-
!Ult. Comp. Strength 90°
|Yc
|MPa
|570
|150
|425
|190
|250
|200
|110
|140
| –
|-
!Ult. In-plane Shear Stren.
|S
|MPa
|90
|35
|40
|50
|70
|60
|40
|60
| –
|-
!Ult. Tensile Strain 0°
|ext
|%
|0.85
|0.40
|1.75
|1.60
|1.05
|0.55
|2.50
|1.70
| –
|-
!Ult. Comp. Strain 0°
|exc
|%
|0.80
|0.15
|1.70
|0.60
|0.85
|0.45
|1.50
|0.35
| –
|-
!Ult. Tensile Strain 90°
|eyt
|%
|0.85
|0.40
|1.75
|1.60
|0.50
|0.50
|0.35
|0.50
| –
|-
!Ult. Comp. Strain 90°
|eyc
|%
|0.80
|0.15
|1.70
|0.60
|2.50
|2.50
|1.35
|2.30
| –
|-
!Ult. In-plane shear strain
|es
|%
|1.80
|0.70
|1.00
|1.00
|1.40
|1.20
|1.00
|3.00
| –
|-
!Density
|
|g/cc
|1.60
|1.60
|1.90
|1.40
|1.60
|1.60
|1.90
|1.40
| –
|}
<br/>
{| class="wikitable"
|+Fibres @ ±45 Deg. to loading axis, Dry, Room Temperature, Vf = 60% (UD), 50% (fabric)<ref name=":2"/>
!
!Symbol
!Units
!Standard
Carbon Fiber
!High Modulus
Carbon Fiber
!E-Glass
Fiber Glass
!Standard
Carbon Fibers

Fabric
!E-Glass
Fiber Glass
Fabric
!Steel
!Al
|-
!Longitudinal Modulus
|E1
|GPa
|17
|17
|12.3
|19.1
|12.2
|207
|72
|-
!Transverse Modulus
|E2
|GPa
|17
|17
|12.3
|19.1
|12.2
|207
|72
|-
!In Plane Shear Modulus
|G12
|GPa
|33
|47
|11
|30
|8
|80
|25
|-
!Poisson's Ratio
|v12
|
|.77
|.83
|.53
|.74
|.53
|
|
|-
!Tensile Strength
|Xt
|MPa
|110
|110
|90
|120
|120
|990
|460
|-
!Compressive Strength
|Xc
|MPa
|110
|110
|90
|120
|120
|990
|460
|-
!In Plane Shear Strength
|S
|MPa
|260
|210
|100
|310
|150
|
|
|-
!Thermal Expansion Co-ef
|Alpha1
|Strain/K
|2.15 E-6
|0.9 E-6
|12 E-6
|4.9 E-6
|10 E-6
|11 E-6
|23 E-6
|-
!Moisture Co-ef
|Beta1
|Strain/K
|3.22 E-4
|2.49 E-4
|6.9 E-4
|
|
|
|
|}