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Proceedings Paper

Multi-layered precision metal structures by LCLD fabrication
Author(s): Deyi Ma; Danlu Song; Hongyan Zhou
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Paper Abstract

It is a rapid prototyping and manufacturing process that deposits metals and ceramics by local heating of a substrate with a laser. Laser Chemical Liquid Deposition (LCLD) process planning requires new efforts due to its unique characteristics. Based on LCLD system powered with a 50 W Fibers-laser, a set of experiments performed was described. The morphologies of the metals deposits were studied while varying laser power, chemical liquid reagent concentration, scanning speeds and scanning patterns, and explore process issues in using LCLD to create multi-layer metals structures were addressed. Through studies of the LCLD process, the unique deposit characteristics were identified. The spatial resolution is potentially very fine, depending on the accuracy of stage or laser movement, and the size of the laser spot used for the localized heating. Multi-layered structures require an understanding of interlayer adhesion and the propagation of geometric anomalies through multiple layers. It can build conformal layers (conform to non-planar substrates) and thin walls. Current research efforts focus on the creation of more advanced three-dimensional metals objects through the use of multi-layered deposition.

Paper Details

Date Published: 21 March 2006
PDF: 4 pages
Proc. SPIE 6040, ICMIT 2005: Mechatronics, MEMS, and Smart Materials, 60402F (21 March 2006); doi: 10.1117/12.664264
Show Author Affiliations
Deyi Ma, Southwest Univ. of Science and Technology (China)
Danlu Song, Southwest Univ. of Science and Technology (China)
Hongyan Zhou, Southwest Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 6040:
ICMIT 2005: Mechatronics, MEMS, and Smart Materials
Yunlong Wei; Kil To Chong; Takayuki Takahashi; Shengping Liu; Zushu Li; Zhongwei Jiang; Jin Young Choi, Editor(s)

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