Microstructure and Properties of Thin-Wall Part by Laser Metal Deposition Shaping

Abstract:

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Laser additive direct deposition of metals is a new rapid manufacturing technology, which combines with computer aided design, laser cladding and rapid prototyping. The advanced technology can build fully-dense metal components directly from CAD files without a mould or tool. With this technology, a promising rapid manufacturing system called “Laser Metal Deposition Shaping (LMDS)” is being constructed and developed. Through the LMDS technology, fully-dense and near-net shaped metallic parts can be directly obtained through melting coaxially fed powder with a laser. Typically, the microstructure and mechanical properties of the as-formed thin-wall part were tested and analyzed synthetically. The results show that there are different grain categories distributing in certain position of thin-wall part, and the mechanical properties represent as anisotropy.

Info:

Periodical:

Materials Science Forum (Volumes 675-677)

Edited by:

Yi Tan and Dongying Ju

Pages:

563-566

DOI:

10.4028/www.scientific.net/MSF.675-677.563

Citation:

K. Zhang and X. F. Shang, "Microstructure and Properties of Thin-Wall Part by Laser Metal Deposition Shaping", Materials Science Forum, Vols. 675-677, pp. 563-566, 2011

Online since:

February 2011

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Price:

$35.00

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