Laser & Optoelectronics Progress, Volume. 55, Issue 4, 041405(2018)
Influence of Process Parameters on Forming Defects of H13 Steel Processed by Selective Laser Melting
The formation of H13 steel powder material is conducted by using the selective laser melting(SLM) technology, and the influence rules of process parameters on the forming defects are obtained via a comparative study by changing the parameters including laser power, scanning speed, scanning pitch and scanning method. The results show that, in a certain range, the increase of laser power or the decrease of scanning speed is beneficial to the formation of parts. A too large or too small scanning pitch has a significant impact on the forming quality and thus the pores or fusion-incomplete defects occur. The quality of forming parts under S-shaped orthogonal scanning is the best if compared with those under Z-shaped orthogonal scanning and single X-direction scanning.
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Jingang Xu, Yong Chen, Hui Chen, Bing Yang. Influence of Process Parameters on Forming Defects of H13 Steel Processed by Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041405
Category: Lasers and Laser Optics
Received: Oct. 18, 2017
Accepted: --
Published Online: Sep. 11, 2018
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