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Influence of 3D Printing Topology by DMLS Method on Crack Propagation

The presented text deals with research into the influence of the printing layers’ orientation on crack propagation in an AlSi10Mg material specimen, produced by additive technology, using the Direct Metal Laser Sintering (DMLS) method. It is a method based on sintering and melting layers of powder m...

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Detalles Bibliográficos
Autores principales: Dvorak, Karel, Dvorakova, Jana, Zarybnicka, Lucie, Horak, Zdenek
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8659064/
https://www.ncbi.nlm.nih.gov/pubmed/34885639
http://dx.doi.org/10.3390/ma14237483
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author Dvorak, Karel
Dvorakova, Jana
Zarybnicka, Lucie
Horak, Zdenek
author_facet Dvorak, Karel
Dvorakova, Jana
Zarybnicka, Lucie
Horak, Zdenek
author_sort Dvorak, Karel
collection PubMed
description The presented text deals with research into the influence of the printing layers’ orientation on crack propagation in an AlSi10Mg material specimen, produced by additive technology, using the Direct Metal Laser Sintering (DMLS) method. It is a method based on sintering and melting layers of powder material using a laser beam. The material specimen is presented as a Compact Tension test specimen and is printed in four different defined orientations (topology) of the printing layers—0°, 45°, 90°, and twice 90°. The normalized specimen is loaded cyclically, where the crack length is measured and recorded, and at the same time, the crack growth rate is determined. The evaluation of the experiment shows an apparent influence of the topology, which is essential especially for possible use in the design and technical preparation of the production of real machine parts in industrial practice. Simultaneously with the measurement results, other influencing factors are listed, especially product postprocessing and the measurement method used. The hypothesis of crack propagation using Computer Aided Engineering/Finite Element Method (CAE/FEM) simulation is also stated here based on the achieved results.
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spelling pubmed-86590642021-12-10 Influence of 3D Printing Topology by DMLS Method on Crack Propagation Dvorak, Karel Dvorakova, Jana Zarybnicka, Lucie Horak, Zdenek Materials (Basel) Article The presented text deals with research into the influence of the printing layers’ orientation on crack propagation in an AlSi10Mg material specimen, produced by additive technology, using the Direct Metal Laser Sintering (DMLS) method. It is a method based on sintering and melting layers of powder material using a laser beam. The material specimen is presented as a Compact Tension test specimen and is printed in four different defined orientations (topology) of the printing layers—0°, 45°, 90°, and twice 90°. The normalized specimen is loaded cyclically, where the crack length is measured and recorded, and at the same time, the crack growth rate is determined. The evaluation of the experiment shows an apparent influence of the topology, which is essential especially for possible use in the design and technical preparation of the production of real machine parts in industrial practice. Simultaneously with the measurement results, other influencing factors are listed, especially product postprocessing and the measurement method used. The hypothesis of crack propagation using Computer Aided Engineering/Finite Element Method (CAE/FEM) simulation is also stated here based on the achieved results. MDPI 2021-12-06 /pmc/articles/PMC8659064/ /pubmed/34885639 http://dx.doi.org/10.3390/ma14237483 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/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 (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Dvorak, Karel
Dvorakova, Jana
Zarybnicka, Lucie
Horak, Zdenek
Influence of 3D Printing Topology by DMLS Method on Crack Propagation
title Influence of 3D Printing Topology by DMLS Method on Crack Propagation
title_full Influence of 3D Printing Topology by DMLS Method on Crack Propagation
title_fullStr Influence of 3D Printing Topology by DMLS Method on Crack Propagation
title_full_unstemmed Influence of 3D Printing Topology by DMLS Method on Crack Propagation
title_short Influence of 3D Printing Topology by DMLS Method on Crack Propagation
title_sort influence of 3d printing topology by dmls method on crack propagation
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8659064/
https://www.ncbi.nlm.nih.gov/pubmed/34885639
http://dx.doi.org/10.3390/ma14237483
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