Watch as NASA engineers use a special welding technique known as friction-stir welding to bond new composite metals used for the Ares I launch vehicle. See how this process adds strength to the material. Learn to convert degrees Fahrenheit to degrees Celsius.
wow !
dangerousprimate 1 year ago
Beside the pressure apply on the materials, the process does not seem very high in cost? is it?
fcycles 2 years ago