Investigation of Buckling and Failure in Thin-Walled Columns Fabricated from PLA and PETG Using FDM 3D Printing.

Denys Baranovskyi, Pawel Wysmulski, Patryk Rozylo, Hubert Debski, Maryna Bulakh, Marcin Kopyść, Sergey Myamlin

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Article in Materials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Proof of Concept for a Novel Ultralight Pneumatic Telescopic Boom Fabricated via Additive Manufacturing for Space Applications.Polymers · 2025
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Authors and funding

7 authors.

Denys BaranovskyiFaculty of Mechanics and Technology, Rzeszow University of Technology, 4 Kwiatkowskiego Street, 37-450 Stalowa Wola, Poland.ORCID 0000-0002-6516-2794

Pawel WysmulskiFaculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland.ORCID 0000-0002-2417-7236

Patryk RozyloFaculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland.ORCID 0000-0003-1997-3235

Hubert DebskiFaculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland.ORCID 0000-0002-1916-8896

Maryna BulakhFaculty of Mechanics and Technology, Rzeszow University of Technology, 4 Kwiatkowskiego Street, 37-450 Stalowa Wola, Poland.ORCID 0000-0003-4264-2303

Marcin KopyśćMotonita Styx Corporation, 14/18 Żwirki i Wigury Street, 37-450 Stalowa Wola, Poland.

Sergey MyamlinDepartment of Wagon Engineering and Product Quality, Ukrainian State University of Railway Transport, Feuerbakh sq. 7, 61050 Kharkiv, Ukraine.ORCID 0000-0002-9204-4435

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This paper presents the results of an experimental study on the buckling and failure behavior of thin-walled square columns made from PLA and PETG polymers using FDM 3D printing technology. Thin-walled square columns made from thermoplastic materials, intended for use in lightweight load-bearing applications such as structural supports in transportation, construction, and mechanical assemblies, were tested under axial compression from the onset of buckling to complete failure. The novelty of this work lies in the application of an interdisciplinary experimental approach to the analysis of the behavior of thin-walled columns made of PLA and PETG materials during FDM 3D printing under compression until complete failure, as well as the use of acoustic and optical diagnostic methods for a comprehensive assessment of damage. The experimental results are as follows: Buckling load (N): PLA-1175 ± 32, PETG1-1910 ± 34, PETG2-1315 ± 27. Ultimate load (N): PLA-2770, PETG1-4077, PETG2-2847. Maximum strain: PLA-11.35%, PETG1-11.77%, PETG2-10.99%. Among the tested materials, PETG1 exhibited the highest resistance and energy absorption capacity upon failure, making it a favorable choice for manufacturing 3D-printed load-bearing columns.

Indexed as

bucklingcritical loadfailureFDM printingPETGPLAthin-walled columns

Identifiers

PMID40731556

DOI10.3390/ma18143346

PMCPMC12297988

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