Calculate thickness


Calculate thickness
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Abraham George
Abraham George
Abraham George
posted 6 Years Ago HOT
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Posts: 5, Visits: 7
I would like to know if there is any particular method to know abt the thickness of the composite before curing. How do you calculate the amt of materials for getting a required thickness in Resin Infusion ?
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Calculate thickness
Abraham George - 6 Years Ago
     When using woven materials under vacuum compaction, the fibre weight per layer corresponds very closely to the cured thickness. For example, a single layer of 200g woven carbon will provide roughly.....
Hanaldo - 6 Years Ago
             Only accurate for carbon tho. Glass is going to be thinner at the same surface weight, natural fibers are going to be thicker for a given surface weight.
SleepingAwake - 6 Years Ago
     Yeh correct, it depends on the fibre densities. However it does still provide a useful indication.
Hanaldo - 6 Years Ago
     So if I want to make a 3 mm thick plate with E-glass reinforcement...what is the approx no of fibre layers we should use? Our is a research proj on vartm based composites so the plate size is of...
Abraham George - 6 Years Ago
             The only way to know for sure is to do a few test runs with a known layer count and a consistent lean out pressure. DO NOT leave your infusion under full vac to lean out. Your resin will boil and and...
Greybridge - 6 Years Ago
                 What do you mean by goal?
Abraham George - 6 Years Ago
     Or just measure thickness of fabric stack with some calipers and reasonable clamping force. Will get you close. Double check with resin density and fibre density and expected volume fraction. Will ge...
SleepingAwake - 6 Years Ago
             Stack which includes mesh, peel ply....right?
Abraham George - 6 Years Ago
                 Well no, if you aim for 3mm of glass i personally would use about 3mm of glass...
SleepingAwake - 6 Years Ago

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