Asgari, M.: Pulsed Plasma Nitriding - Effect on Hydrogen Embrittlement and Hydrogen Adsorption and Diffusion. Dissertation, Norwegian University of Science and Technology NTNU, Trondheim, Norway (2013)
Scientists at the Max Planck Institute for Sustainable Materials have developed a carbon-free, energy-saving method to extract nickel for batteries, magnets and stainless steel.