Rigid Cured Carbon Fibre Sheet Mechanical Properties


Rigid Cured Carbon Fibre Sheet Mechanical Properties
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robjgreen93
robjgreen93
robjgreen93
posted 9 Years Ago HOT
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Easy Composites Team,

I recently purchased a sheet of rigid CFRP and need to model the material using LS Dyna.
I am using the material model 162 and require the following properties;
density
Young’s modulus - longitudinal direction 
Young’s modulus - transverse direction 
Young’s modulus - through thickness direction
Poisson’s ratio ba
Poisson’s ratio ca 
Poisson’s ratio cb 
shear modulus ab 
shear modulus bc 
shear modulus ca
Longitudinal tensile strength 
Longitudinal compressive strength  
Transverse tensile strength 
Transverse compressive strength 
Through thickness tensile strength 
Crush strength 
Fiber mode shear strength 
Matrix mode shear strength
Matrix mode shear strength
Matrix mode shear strength

I am aware that some of these values will be the same and some can be calculated from others however as much information you have as possible would be great thanks.

Regards.
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ChrisR
ChrisR
ChrisR
posted 9 Years Ago HOT
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100% of those figures you either need to guess / reference from published material or test for yourself
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Warren (Staff)
Warren (Staff)
Warren (Staff)
posted 9 Years Ago HOT
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Which sheet did you buy?

if it was our Pre-Preg Carbon Fibre Flat Sheet then the following mechanical data is "typical" cured data from the manufacturers pre-preg datasheet. Our curing cycle is very similar to the test cycle used for getting the data which is 130C for 60 minutes with 3 bar pressure:




Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant
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