Essays about: "Edwin Bergstedt"

Found 2 essays containing the words Edwin Bergstedt.

1. 1. A Study in How Welding Parameters Affect the Porosity in Laser Welded High Pressure Die Cast AM50 Magnesium Alloy

   University essay from KTH/Materialvetenskap

   Author : Edwin Bergstedt; [2017]
   Keywords : Laser welding; AM50; Die Cast; Magnesium; Porosity;

   Abstract : There are a need for reducing the weight of vehicles, one solution is to implement cast lightweight materials such as the high pressure die cast AM50 magnesium alloy. The weldability of this cast alloy is poor and to implement the use of the alloy commercially a welding process is needed that limits the porosity of the weld. READ MORE

3. 2. Vibration Analysis on AC Electric Arc Furnace

   University essay from KTH/Materialvetenskap

   Author : Edwin Bergstedt; Johan Földhazy; Alexander Lundstjälk; [2015]
   Keywords : electric arc furnace; vibrations; Fast Fourier Transform system; measurements;

   Abstract : A computerized Fast Fourier Transform system has been used to analyse vibration measurements sampled from a 100-ton electric arc furnace. It has been the hypothesis that patterns in the vibration data would correlate to specific events in the electric arc furnace during the melting process. READ MORE