Suggest me the best Sandwich Core Materials for layered composite sandwich structures? either low density core of honeycomb or a rigid plastic foam
Dear Srinivasa,
your question is very General. It depends on what will be the application of the Sandwich.Is it for vehicles (cars trucks tractors,trains ships aeroplanes..), for buildings, for agricultre for medicine, for mechanical equipements, for sports, for....???.
In each case the answer will be different. Do Need Prototyps, low or high volume production. This also defines the material joice and the process Technology.
For a low density core you may chose Polyethylene foam, or a Kind of honeycomb out of paper, or Aramid/Kevlar, or a rigid PVC or PET or PEEK or................. depends on you requirements.
And as a Skin material you may take Aluminum Sheets, or SMC or Wood or paper or imprgnated paper or..........
Peter
Dear Srinivasa,
your question is very General. It depends on what will be the application of the Sandwich.Is it for vehicles (cars trucks tractors,trains ships aeroplanes..), for buildings, for agricultre for medicine, for mechanical equipements, for sports, for....???.
In each case the answer will be different. Do Need Prototyps, low or high volume production. This also defines the material joice and the process Technology.
For a low density core you may chose Polyethylene foam, or a Kind of honeycomb out of paper, or Aramid/Kevlar, or a rigid PVC or PET or PEEK or................. depends on you requirements.
And as a Skin material you may take Aluminum Sheets, or SMC or Wood or paper or imprgnated paper or..........
Peter
Hi Srinivasa,
Indeed, it depends. If your already consider sandwich construction you will usually have weight and cost targets. I would suggest then you value your weight target (with a value of weight saving) and hereby translate it into a cost target. Then you have only a cost optimization. How select a cost optimal sandwich material combination is shown in the paper "Sandwich Materials Selection Charts".
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