Laser Cladding of Micro-Fluidic Channel Mold

Xu Yue Wang; H.R. Guo; Yong Bo Wu; Wen Ji Xu; D.M. Guo

doi:10.4028/www.scientific.net/AMR.216.424

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 216Laser Cladding of Micro-Fluidic Channel Mold

Laser Cladding of Micro-Fluidic Channel Mold

Abstract:

Laser cladding of micro-fluidic channels mold was performed using Nd:YAG laser and synchronous powder feeder. Influences of laser power and powder feed rate on clad layer geometrical dimensions and qualities were investigated. Results show that powder feed rate 1.5-2.5 g/min used obtains micro clad layers which meet geometrical dimensions’ requirement of micro-fluidic channels mold and combination of parameters laser power 400 W and powder feed rate 2.0 g/min achieves micro clad layer with better clad quality. Scanning paths of micro-fluidic channels mold was planned through CAD-CAM software. Using optimum parameters combination, multilayer laser cladding experiment was carried out and a sample of micro-fluidic channels mold was fabricated with expectative structure and hardness. A little milling and polishing makes the sample meet technical requirements, 0.2mm in height and 0.3mm in width. Fabricating a mold takes 15-20 min totally.

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Periodical:

Advanced Materials Research (Volume 216)

Pages:

424-429

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.216.424

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Online since:

March 2011

Authors:

Xu Yue Wang, H.R. Guo, Yong Bo Wu, Wen Ji Xu, D.M. Guo

Keywords:

Cladding Quality, Fabrication Efficiency, Laser Cladding, Micro-Fluidic Channel Mold

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