Powder flow from novel nozzle design for laser cladding and alloying

Carty, S. and Owen, I. and Bastow, B. and Steen, W. M. (1994) Powder flow from novel nozzle design for laser cladding and alloying. In: 1994 Conference on Lasers and Electro-Optics Europe, 28 August - 2 September 1994, RAI Congress Centre, Amsterdam, The Netherlands.

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Item Type:Conference or Workshop contribution (Paper)
Item Status:Live Archive

Abstract

Laser alloying/cladding nozzles that were examined, with the purpose of alloying and cladding in any direction and at any angle of inclination, were described in this paper. An annular nozzle, a venturi nozzle, and a multiple injector nozzle were characterized. Evaluation of these nozzles were carried out using 304-L stainless steel, 310-S stainless steel, nickel, and chromium powders. The angle of divergence from the nozzles by the powder can be regulated for up to 2 cm as demonstrated by preliminary results. The speed at which the powder hits the substrate can also be manipulated via the flow rate of the transporting gas.

Additional Information:Conference Code:21523
Keywords:Arc lamps, Cooling, Distortion (waves), Efficiency, Krypton, Laser beams, Laser resonators, Light transmission, Mirrors, Pumping (laser), Krypton arc lamp, Lamp pumping, Neodymium yttrium aluminum garnet lasers, Pump cavity, Slab laser, Neodymium lasers
Subjects:H Engineering > H100 General Engineering
H Engineering > H141 Fluid Mechanics
Divisions:College of Science > School of Engineering
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ID Code:18283
Deposited On:17 Aug 2015 16:41

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