Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts
In selective laser melting (SLM) process, several factors such as laser power, laser scanning speed and hatch spacing can affect the properties of the printed metal parts. The integral effects of all these parameters can be represented by the energy density which provides critical information to...
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sg-ntu-dr.10356-885532020-09-24T20:14:01Z Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts Choong, Yu Ying Clarrisa Chua, Gregory Kok Hong Wong, Chee How School of Mechanical and Aerospace Engineering Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018) Singapore Centre for 3D Printing Additive Manufacturing DRNTU::Engineering::Mechanical engineering::Prototyping Selective Laser Melting In selective laser melting (SLM) process, several factors such as laser power, laser scanning speed and hatch spacing can affect the properties of the printed metal parts. The integral effects of all these parameters can be represented by the energy density which provides critical information to optimize the printing process. In this work, the influences of the process parameters on the density, roughness and hardness of stainless steel 316L parts printed using SLM 500HL were studied. The optimized printing parameters achieved high density, low porosity parts with improved mechanical properties. The use of the high-powered 700W laser from SLM 500HL also revealed an effective reduction in printing time without compensation in its mechanical properties. Published version 2018-09-05T02:32:29Z 2019-12-06T17:05:56Z 2018-09-05T02:32:29Z 2019-12-06T17:05:56Z 2018 Conference Paper Choong, Y. Y. C., Chua, G. K. H., & Wong, C. H. (2018). Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts. Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018), 274-279. doi:10.25341/D4P88S https://hdl.handle.net/10356/88553 http://hdl.handle.net/10220/45818 10.25341/D4P88S en © 2018 Nanyang Technological University. Published by Nanyang Technological University, Singapore. 6 p. application/pdf |
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Additive Manufacturing DRNTU::Engineering::Mechanical engineering::Prototyping Selective Laser Melting Choong, Yu Ying Clarrisa Chua, Gregory Kok Hong Wong, Chee How Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
description |
In selective laser melting (SLM) process, several factors such as laser power, laser
scanning speed and hatch spacing can affect the properties of the printed metal parts. The integral
effects of all these parameters can be represented by the energy density which provides critical
information to optimize the printing process. In this work, the influences of the process parameters
on the density, roughness and hardness of stainless steel 316L parts printed using SLM 500HL
were studied. The optimized printing parameters achieved high density, low porosity parts with
improved mechanical properties. The use of the high-powered 700W laser from SLM 500HL also
revealed an effective reduction in printing time without compensation in its mechanical properties. |
author2 |
School of Mechanical and Aerospace Engineering |
author_facet |
School of Mechanical and Aerospace Engineering Choong, Yu Ying Clarrisa Chua, Gregory Kok Hong Wong, Chee How |
format |
Conference or Workshop Item |
author |
Choong, Yu Ying Clarrisa Chua, Gregory Kok Hong Wong, Chee How |
author_sort |
Choong, Yu Ying Clarrisa |
title |
Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
title_short |
Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
title_full |
Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
title_fullStr |
Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
title_full_unstemmed |
Investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
title_sort |
investigation on the integral effects of process parameters on properties of selective laser melted stainless steel parts |
publishDate |
2018 |
url |
https://hdl.handle.net/10356/88553 http://hdl.handle.net/10220/45818 |
_version_ |
1681059072543031296 |