Questions tagged [carbon-fiber]

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Is it possible/practical to mold a single hollow piece of carbon fiber with a sealed vacuum in the middle?

Let's say I design a simple piece of carbon fiber to be manufactured, in the shape of a simple cylinder with a diameter of 2cm and a height of 3cm (pretty small). Is it possible and/or practical to ...
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1answer
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Database for stiffness matrix? [closed]

I have searched everywhere for the stiffness matrix of GFRP, but there isn't a single paper or site that experimented the full matrix. Is there any sort of database for the stiffness matrix of many ...
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53 views

Welding Carbon fibre

How do you weld carbon fibre to another piece of carbon fibre? If it can't be welded together what other solutions are there for connecting carbon fibre together?
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2answers
44 views

Why do they vacuum pump the carbon fiber fabric?

I have seen plenty of YouTube videos in which they use carbon fiber fabric to build various things. One such channel is Mike's Patey's channel where he makes amazing aircrafts from carbon fiber. In ...
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0answers
14 views

What is the compressive strength of carbon nanotube reinforced polymer?

What is the range of compressive strength of carbon nanotube reinforced polymers? Although CNT's themselves have phenomenal (oriented) compressive strength, and one can find references to that, CNRP'...
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0answers
36 views

Carbon Nanotubes as muscles?

I was wondering why carbon nanotubes are not used as artificial muscles yet? I mean they behave similar to real muscles, only that they expand horizontally. What are the current challenges that ...
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2answers
44 views

What steel to use? What thickness and width? What angles to use? [closed]

I am trying to develop my own spring steel version of a carbon fiber running blade that you might see in the paralympics. Except mine is for someone who still has their foot/leg. Nothing like that ...
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1answer
204 views

Why are parts from carbon fiber stiff?

I have noob question,I dont understand why are parts made from woven carbon fiber composite stiff. I understand that carbon fibers are strong and have high Young modulus,its stiff and strong when the ...
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1answer
231 views

Is triaxial carbon fiber gimmick?

Is there any benefit to using triaxial weave pattern instead of common twill?
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1answer
75 views

Why is graphlite so strong in tension?

This comes from the composites store website: These high performance carbon shapes are produced by packing a high volume of carbon fiber into epoxy resin under tension resulting in an unmatched ...
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3answers
60 views

home-made pultruded components?

If I make a sandwich of wood, thin plastic, carbon-fiber tow (cut to about a foot long) impregnated with epoxy to the right ratio, thin plastic, and wood, and clamp it together and leave it, will I ...
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3answers
691 views

How can I stop carbon fibre mat from fraying?

I want to use a woven carbon fiber tube in cloth form to act as an acoustic absorber in a 40 mm internal diameter pipe. The bad news is that it has to carry a variety of solvent/air mixtures at ...
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2answers
958 views

How is a carbon fiber chassis made one piece?

How is such a one piece car chassis from carbon fiber made at one piece? Do they make the parts individually and bond it some way that it is extremely durable bond? What bonds are really durable for ...