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Experimental study on integration of laser-based additive/subtractive processes for meso/micro solid freeform fabrication

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Abstract

Solid freeform fabrication has attracted considerable attention lately because of its ability to build a 3D structure with a complex and arbitrary shape. This work presents initial studies to adapt this technology for the fabrication of meso-/micro-3D structures. A pulsed Nd:YAG laser was used for laser microdeposition (additive) and micromachining (subtractive) processes. An ultrasonic-based micropowder feeding system was developed to generate precise patterns of micropowders on a substrate without any pre-processing. Laser microdeposition of copper and stainless steel micropowders was accomplished. The characterization of micromachining was performed on stainless steel and copper plates with a laser beam of wavelengths of 355 nm and 266 nm. The integration of laser microdeposition and micromachining processes improved the resolution and edge quality of the meso-/micropatterns.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Wisconsin-Madison, 1513 University Avenue, Madison, WI, 53706-1572, USA

    Hongseok Choi, Yong Yang & Xiaochun Li

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  1. Hongseok Choi
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  2. Yong Yang
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  3. Xiaochun Li
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Correspondence to Xiaochun Li.

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Choi, H., Yang, Y. & Li, X. Experimental study on integration of laser-based additive/subtractive processes for meso/micro solid freeform fabrication. Int J Adv Manuf Technol 26, 335–341 (2005). https://doi.org/10.1007/s00170-003-2008-0

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  • DOI: https://doi.org/10.1007/s00170-003-2008-0

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