A 3-D Transient Finite Element Model for Laser Cladding by Powder Injection;DC Plasma Diagnostics for Improvement of Plasma Spraying Process under Soft Vacuum Conditions;Development of a Graded Porous Metallic Filter for Microfiltration using the Wet Powder Spraying Technique;Influence of Surface Laser Cleaning Combined with Substrate Preheating on the Splat Morphology