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http://dx.doi.org/10.5781/KWJS.2013.31.4.13

Comparison of Powder Feeding and Wire Feeding in Laser Cladding  

Ahn, Young-Nam (Welding & Joining Research Group, KITECH)
Kim, Cheolhee (Welding & Joining Research Group, KITECH)
Publication Information
Journal of Welding and Joining / v.31, no.4, 2013 , pp. 13-16 More about this Journal
Abstract
In this research, laser cladding characteristics were investigated for various filler metal feeding methods such as powder, cold wire, and hot wire feeding. Appropriate parameter window, deposition rate, material efficiency and dilution for each filler feeding method were evaluated with same laser power and cladding speed range. Laser powder cladding has wider process parameter window but higher material efficiency and lower dilution were achieved by laser wire cladding. Among these feeding methods, laser hot-wire cladding showed best efficiency in material usage and deposition rate.
Keywords
Laser cladding; Wire feeding; Powder feeding; Deposition rate; Material efficiency; Dilution;
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