Paper Title:
Effects of the Processing Parameters on the Forming Quality of Stainless Steel Parts by Selective Laser Melting
  Abstract

Selective Laser Melting (SLM) can produce high-performance metal parts with complex structures. However, it’s difficult to control the processing parameters, because many factors involves. From the perspective of the molten pool, the study focuses on the effects of processing parameters, including scanning speed, laser power, scanning space, layer thickness, and scanning strategies, on the surface quality, the balling effect, the density of SLM parts, by conducting experiments of single track, single layer and block forming. The results show that the quality of the molten pool is affected by laser power and scanning speed. Scanning drove in the strategy of “jumping and turning”,a smooth surface and a less balling effect will be obtained. The thicker the powder layer is, the lower density will be obtained. The optimal parameters from series of experiments are: laser power of 98W; scanning speed of 90mm/s; scanning space of 0.07mm; layer thickness of 0.1mm; and scanning strategy of “jumping and turning”.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
3668-3671
DOI
10.4028/www.scientific.net/AMR.189-193.3668
Citation
Q. S. Wei, X. Zhao, L. Wang, R. D. Li, J. Liu, Y. S. Shi, "Effects of the Processing Parameters on the Forming Quality of Stainless Steel Parts by Selective Laser Melting", Advanced Materials Research, Vols. 189-193, pp. 3668-3671, 2011
Online since
February 2011
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Price
$32.00
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