Composites

Lightweight sandwich panels For my solar bike, the Maxun One, I need extremely lightweight panels. Here we will calculate the theoretical minimum weight of such panels.  Ultralight sandwich ...

Solutions to prevent sticking molds Use PVA at new molds New epoxy or polyester molds do often stick whereas older molds don't. The cause is that a new mold has a reactive surface. In a cured res...

Density of composite materials ρEpoxy-resin = 1.1 g/cm³ ρCarbon-fiber = 1.78 g/cm³ ρE-glass-fiber = 2.54 g/cm³ ρAramide-fiber = 1.45 g/cm³ Fiber volume fraction Vf Vf at different manufac...

Goal This vacuum pump I have built for vacuum bagging of composites. I have used the idea HERE, but used another, more robust, air compressor. If you want to buy a pump, the best valu...

Intro Making composite parts requires a lot of skill and experience. There is insufficient information available on the internet, you realize this when you start with composite manufacturing and t...