Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Examination of Restrained Joints Created in the Process of Multi-material FFF Additive Manufacturing Technology

Janusz Kluczynski
* ORCID logo ,
Lucjan Sniezek
ORCID logo ,
Alexander Kravcov
,
Krzysztof Grzelak
ORCID logo ,
Pavel Svoboda
,
Ireneusz Szachogluchowicz
ORCID logo ,
Ondrej Franek
,
Nikolaj Morozov
,
Janusz Torzewski
ORCID logo ,
Petr Kubecek
Version 1 : Received: 29 January 2020 / Approved: 30 January 2020 / Online: 30 January 2020 (11:05:28 CET)

A peer-reviewed article of this Preprint also exists.

Kluczyński, J.; Śnieżek, L.; Kravcov, A.; Grzelak, K.; Svoboda, P.; Szachogłuchowicz, I.; Franek, O.; Morozov, N.; Torzewski, J.; Kubeček, P. The Examination of Restrained Joints Created in the Process of Multi-Material FFF Additive Manufacturing Technology. Materials 2020, 13, 903. Kluczyński, J.; Śnieżek, L.; Kravcov, A.; Grzelak, K.; Svoboda, P.; Szachogłuchowicz, I.; Franek, O.; Morozov, N.; Torzewski, J.; Kubeček, P. The Examination of Restrained Joints Created in the Process of Multi-Material FFF Additive Manufacturing Technology. Materials 2020, 13, 903.

Abstract

The paper is focused on the examination of the internal quality of joints created in a multi-material - additive manufacturing process. The main part of the work focuses on experimental production and non-destructive testing of restrained joints of modified PLA (polylactic acid) and ABS (Acrylonitrile butadiene styrene) 3Dprinted on RepRap 3D device that works on the "open source" principle. The article presents the outcomes of non-destructive materials test in the form of the data from the Laser Amplified Ultrasonography, microscopic observations of the joints area and tensile tests of the specially designed samples. The samples with designed joints were additively manufactured of two materials: specially blended PLA (Market name – PLA Tough) and conventionally made ABS. The tests are mainly focused on the determination of the quality of material connection in the joints area. Based on the results obtained, the samples made of two materials were compared in the end to establish which produced material joint is stronger and have a lower amount of defects.

Keywords

Additive manufacturing; FFF technology; Laser amplified ultrasonography; Tensile testing

Subject

Engineering, Mechanical Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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