Cargando…

Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting

Additive manufacturing is one of the most popular technological processes and is being considered in many research works, a lot of which are related to thin-walled parts analysis. There are many cases where different part geometries were manufactured using the same process parameters. That kind of a...

Descripción completa

Detalles Bibliográficos
Autores principales: Grzelak, Krzysztof, Kluczyński, Janusz, Szachogłuchowicz, Ireneusz, Łuszczek, Jakub, Śnieżek, Lucjan, Torzewski, Janusz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7764716/
https://www.ncbi.nlm.nih.gov/pubmed/33322451
http://dx.doi.org/10.3390/ma13245662
_version_ 1783628322684534784
author Grzelak, Krzysztof
Kluczyński, Janusz
Szachogłuchowicz, Ireneusz
Łuszczek, Jakub
Śnieżek, Lucjan
Torzewski, Janusz
author_facet Grzelak, Krzysztof
Kluczyński, Janusz
Szachogłuchowicz, Ireneusz
Łuszczek, Jakub
Śnieżek, Lucjan
Torzewski, Janusz
author_sort Grzelak, Krzysztof
collection PubMed
description Additive manufacturing is one of the most popular technological processes and is being considered in many research works, a lot of which are related to thin-walled parts analysis. There are many cases where different part geometries were manufactured using the same process parameters. That kind of approach often causes different porosity and surface roughness values in the geometry of each produced part. In this work, the porosity of thin-walled and monolithic parts was compared. To analyze additively manufactured samples, porosity and microstructural analyses were done. Additionally, to check the influence of process parameter modification on the manufactured parts’ properties, hardness and roughness measurements were made. Surface roughness and the influence of surface treatment were also taken into account. Porosity reduction of thin-walled parts with energy density growth was observed. Additionally, a positive influence of slight energy density growth on the surface roughness of produced parts was registered. Comparing two extreme-parameter groups, it was observed that a 56% energy density increase caused an almost 85% decrease in porosity and a 45% increase in surface roughness. Additional surface treatment of the material allowed for a 70–90% roughness reduction.
format Online
Article
Text
id pubmed-7764716
institution National Center for Biotechnology Information
language English
publishDate 2020
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-77647162020-12-27 Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting Grzelak, Krzysztof Kluczyński, Janusz Szachogłuchowicz, Ireneusz Łuszczek, Jakub Śnieżek, Lucjan Torzewski, Janusz Materials (Basel) Article Additive manufacturing is one of the most popular technological processes and is being considered in many research works, a lot of which are related to thin-walled parts analysis. There are many cases where different part geometries were manufactured using the same process parameters. That kind of approach often causes different porosity and surface roughness values in the geometry of each produced part. In this work, the porosity of thin-walled and monolithic parts was compared. To analyze additively manufactured samples, porosity and microstructural analyses were done. Additionally, to check the influence of process parameter modification on the manufactured parts’ properties, hardness and roughness measurements were made. Surface roughness and the influence of surface treatment were also taken into account. Porosity reduction of thin-walled parts with energy density growth was observed. Additionally, a positive influence of slight energy density growth on the surface roughness of produced parts was registered. Comparing two extreme-parameter groups, it was observed that a 56% energy density increase caused an almost 85% decrease in porosity and a 45% increase in surface roughness. Additional surface treatment of the material allowed for a 70–90% roughness reduction. MDPI 2020-12-11 /pmc/articles/PMC7764716/ /pubmed/33322451 http://dx.doi.org/10.3390/ma13245662 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Grzelak, Krzysztof
Kluczyński, Janusz
Szachogłuchowicz, Ireneusz
Łuszczek, Jakub
Śnieżek, Lucjan
Torzewski, Janusz
Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting
title Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting
title_full Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting
title_fullStr Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting
title_full_unstemmed Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting
title_short Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting
title_sort modification of structural properties using process parameters and surface treatment of monolithic and thin-walled parts obtained by selective laser melting
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7764716/
https://www.ncbi.nlm.nih.gov/pubmed/33322451
http://dx.doi.org/10.3390/ma13245662
work_keys_str_mv AT grzelakkrzysztof modificationofstructuralpropertiesusingprocessparametersandsurfacetreatmentofmonolithicandthinwalledpartsobtainedbyselectivelasermelting
AT kluczynskijanusz modificationofstructuralpropertiesusingprocessparametersandsurfacetreatmentofmonolithicandthinwalledpartsobtainedbyselectivelasermelting
AT szachogłuchowiczireneusz modificationofstructuralpropertiesusingprocessparametersandsurfacetreatmentofmonolithicandthinwalledpartsobtainedbyselectivelasermelting
AT łuszczekjakub modificationofstructuralpropertiesusingprocessparametersandsurfacetreatmentofmonolithicandthinwalledpartsobtainedbyselectivelasermelting
AT sniezeklucjan modificationofstructuralpropertiesusingprocessparametersandsurfacetreatmentofmonolithicandthinwalledpartsobtainedbyselectivelasermelting
AT torzewskijanusz modificationofstructuralpropertiesusingprocessparametersandsurfacetreatmentofmonolithicandthinwalledpartsobtainedbyselectivelasermelting