[Ask] Light, Stiff and Cheap


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Leon
Leon
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Hii guys,

I need your advice for combination of composites material that can provide a several purpose below on 1-2mm thickness: 
  1. Light (30-50% than steel)
  2. Stiff (no tik tok)
  3. Cheap (as cheap as good)
This structure criteria is for electric car exterior body such as Hood, Doors, Trunks, fender, spoiler. this car will passion to reducing weight and increasing performance. And segmented for midle-low customer budget, hard to say  that the carbon fiber is not an option. Is there any body have a advice? example: biaxial fiber glass+lantorsoric+biaxial+vinyl ester.



Your help are necessary.

Leon
Matthieu Libeert
Matthieu Libeert
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Isn't sheetmetal the most suitable for this application, seeing your demands?

Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




Leon
Leon
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matthieutje65 (24/01/2013)
Isn't sheetmetal the most suitable for this application, seeing your demands?
sheetmetal would be the heaviest considering the car have a limited electric power supply, it means we need to reduce much more weight to increase the car performance (long life battery, more speed) what do you think?.
Jack.Strong
Jack.Strong
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Honeycomb panels. Company i worked for "TRB lightweight structures" did work with an electric car, forgotten its name.
brasco
brasco
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use plastics.
no corrosion--
wont dent easily--
can be made in the color you need--
you will need mad moldmaker skillz tho. and injection molding equipment. eh maybe this is where this idea falls to pieces.
for cost savings you could go with thin fiberglass made same way as if with CF.
there is a variety of fiberglass cloth as well. FG cloth is like 1/4  or less the cost of CF cloth. just use the same techniques to make them.


CarbonFiberCreations



Matthieu Libeert
Matthieu Libeert
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What Brasco says brings me on an idea...
If you have the budget and time to make some mould and need to get many parts out of it you could thermoform plastics...
Thats how they make jacuzzis and big parts for tractors and so on... 
If you're able to make CAD models of you parts you could CNC the parts so you have your moulds easily...
this can maybe get a bit expensive but is relatively easy to do...



This is on big size ofcourse Smile 

Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




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