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Volume Fraction of Fiber also known as fiber volume fraction or simply fiber fraction, is a measure of the volume occupied by fibers within a composite material. Check FAQs
Vf=Ecl-EmVmEf
Vf - Volume Fraction of Fiber?Ecl - Elastic Modulus Composite (Longitudinal Direction)?Em - Elastic Modulus of Matrix?Vm - Volume Fraction of Matrix?Ef - Elastic Modulus of Fiber?

Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) Example

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Here is how the Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) equation looks like with Values.

Here is how the Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) equation looks like with Units.

Here is how the Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) equation looks like.

0.6Edit=200Edit-200.025Edit0.4Edit200Edit
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Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) Solution

Follow our step by step solution on how to calculate Volume Fraction of Fiber from EM of Composite (Longitudinal Direction)?

FIRST Step Consider the formula
Vf=Ecl-EmVmEf
Next Step Substitute values of Variables
Vf=200MPa-200.025MPa0.4200MPa
Next Step Convert Units
Vf=2E+8Pa-2E+8Pa0.42E+8Pa
Next Step Prepare to Evaluate
Vf=2E+8-2E+80.42E+8
Next Step Evaluate
Vf=0.59995
LAST Step Rounding Answer
Vf=0.6

Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) Formula Elements

Variables
Volume Fraction of Fiber
Volume Fraction of Fiber also known as fiber volume fraction or simply fiber fraction, is a measure of the volume occupied by fibers within a composite material.
Symbol: Vf
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Elastic Modulus Composite (Longitudinal Direction)
Elastic Modulus Composite (Longitudinal Direction) refers to a material property when subjected to tensile or compressive forces along the longitudinal direction.
Symbol: Ecl
Measurement: PressureUnit: MPa
Note: Value can be positive or negative.
Elastic Modulus of Matrix
Elastic Modulus of Matrix typically refers to the elastic modulus or young's modulus of the material composing the matrix phase in a composite material.
Symbol: Em
Measurement: PressureUnit: MPa
Note: Value can be positive or negative.
Volume Fraction of Matrix
Volume Fraction of Matrix is the Volume fraction of the matrix used in composite.
Symbol: Vm
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Elastic Modulus of Fiber
Elastic Modulus of Fiber, also known as young's modulus, refers to the stiffness of the material, it represents the ratio of stress to strain within the elastic limit of the material.
Symbol: Ef
Measurement: PressureUnit: MPa
Note: Value can be positive or negative.

Other Formulas to find Volume Fraction of Fiber

​Go Volume Fraction of Fiber from EM of Composite (Transverse Direction)
Vf=EfEct-VmEfEm
​Go Volume Fraction of Fiber from Longitudinal Tensile Strength of Composite
Vf=σm-σclσm-σf

Other formulas in Polymer Matrix Composites category

​Go Tensile Strength of Fiber given Critical Fiber Length
σf=2lcτd
​Go Fiber Diameter given Critical Fiber Length
d=lc2τσf
​Go Fiber-Matrix Bonding Strength given Critical Length of Fiber
τ=σfd2lc
​Go Volume Fraction of Matrix from EM of Composite (Longitudinal Direction)
Vm=Ecl-EfVfEm

How to Evaluate Volume Fraction of Fiber from EM of Composite (Longitudinal Direction)?

Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) evaluator uses Volume Fraction of Fiber = (Elastic Modulus Composite (Longitudinal Direction)-Elastic Modulus of Matrix*Volume Fraction of Matrix)/Elastic Modulus of Fiber to evaluate the Volume Fraction of Fiber, Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) can be defined from the effective modulus (EM) of the composite in the longitudinal direction. This relationship is often expressed using various micromechanical models such as the rule of mixtures, Halpin-Tsai model, or Mori-Tanaka model. Volume Fraction of Fiber is denoted by Vf symbol.

How to evaluate Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) using this online evaluator? To use this online evaluator for Volume Fraction of Fiber from EM of Composite (Longitudinal Direction), enter Elastic Modulus Composite (Longitudinal Direction) (Ecl), Elastic Modulus of Matrix (Em), Volume Fraction of Matrix (Vm) & Elastic Modulus of Fiber (Ef) and hit the calculate button.

FAQs on Volume Fraction of Fiber from EM of Composite (Longitudinal Direction)

What is the formula to find Volume Fraction of Fiber from EM of Composite (Longitudinal Direction)?
The formula of Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) is expressed as Volume Fraction of Fiber = (Elastic Modulus Composite (Longitudinal Direction)-Elastic Modulus of Matrix*Volume Fraction of Matrix)/Elastic Modulus of Fiber. Here is an example- 0.59995 = (200000000-200025000*0.4)/200000000.
How to calculate Volume Fraction of Fiber from EM of Composite (Longitudinal Direction)?
With Elastic Modulus Composite (Longitudinal Direction) (Ecl), Elastic Modulus of Matrix (Em), Volume Fraction of Matrix (Vm) & Elastic Modulus of Fiber (Ef) we can find Volume Fraction of Fiber from EM of Composite (Longitudinal Direction) using the formula - Volume Fraction of Fiber = (Elastic Modulus Composite (Longitudinal Direction)-Elastic Modulus of Matrix*Volume Fraction of Matrix)/Elastic Modulus of Fiber.
What are the other ways to Calculate Volume Fraction of Fiber?
Here are the different ways to Calculate Volume Fraction of Fiber-
  • Volume Fraction of Fiber=Elastic Modulus of Fiber/Elastic Modulus Composite (Transverse Direction)-(Volume Fraction of Matrix*Elastic Modulus of Fiber)/Elastic Modulus of MatrixOpenImg
  • Volume Fraction of Fiber=(Tensile Strength of Matrix-Longitudinal Strength of Composite)/(Tensile Strength of Matrix-Tensile Strength of Fiber)OpenImg
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