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J Weld Join > Volume 31(4); 2013 > Article
Journal of KWJS 2013;31(4):13-16.
DOI: https://doi.org/10.5781/KWJS.2013.31.4.13    Published online August 31, 2013.
Comparison of Powder Feeding and Wire Feeding in Laser Cladding
Young-Nam Ahn1, Cheolhee Kim1
Correspondence:  Cheolhee Kim,
Email: chkim@kitech.re.kr
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.
Key Words: Laser cladding, Wire feeding, Powder feeding, Deposition rate, Material efficiency, Dilution


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