A high velocity arc spray apparatus includes a transferred-arc-plasma torch assembly which forms a transferred-arc column. A metal feedstock is fed into the transferred-arc column at an angle such that no portion of the metal feedstock is closer to the transferred-arc-plasma torch assembly than the leading...http://www.google.com.au/patents/US5296667?utm_source=gb-gplus-sharePatent US5296667 - High velocity electric-arc spray apparatus and method of forming materials
