Sputtering is a process whereby particles are ejected from a solid target material due to bombardment of the target by energetic particles, particularly gas ions.
Spark plasma sintering (SPS), also known as field assisted sintering technique (FAST) or pulsed electric current sintering (PECS), is a sintering technique.
Diffusion coating is a process in which the coating is done on metal components made of iron, nickel, and cobalt under severe operating condition (elevated temperatures and corrosive environment).