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Build and raster orientation effects on CFRP onyx/aramid impact absorption
Indexado
WoS WOS:001265422900001
Scopus SCOPUS_ID:85197398111
DOI 10.1016/J.JCOMC.2024.100485
Año 2024
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Composite materials fabricated via additive manufacturing are becoming more relevant in ready-for use products used in engineering applications like aerospace structures, propellers, electric vehicles, or sandwich cores. Continuous Fiber Reinforced Polymeric (CFRP) composites are 3D-printed composites with tailor-made properties due to the capability of the printing process to deposit matrix and fiber whenever required. However, CFRP products behave differently and have lower mechanical properties than traditional composites. This study aimed to analyze the impact strength of CFRP specimens with gyroid infill and the effects of two build (flat and on-edge) and two raster (0 degrees and 45 degrees) orientations on impact behavior. The gyroid infill helps to obtain a light-weight structure and it has been used in energy absorption applications showing excellent mechanical behavior in thermoplastic 3D-products. The specimens were manufactured using Onyx as the matrix and aramid fiber as the reinforcement materials. The impact energy absorption of CFRP composites was measured using unnotched Izod impact specimens. The impact tests results were statistically analyzed, revealing that the build orientation directly and significantly affects the impact behavior, resulting in higher impact absorption when flat orientation is used to produce CFRP composites. The impact strength of CFRP composites increased 8 times, and 2 times for flat and on-edge oriented specimens, respectively compared to pure Onyx specimens. The variation in impact energy absorption between raster orientations in both build orientations was not significant, the difference in flat-oriented specimens at 0 degrees and 45 degrees was only 0.2 J, and between on-edge-oriented specimens at 0 degrees and 45 degrees was only 0.089 J. Also, the after impact specimens were analyzed to categorize the different failure modes observed. The after-impact analysis showed poor impregnation between aramid and onyx layers, causing delamination, fiber bridging, and fiber exposure failures. The combination of Aramid, Onyx, and a non-solid infill (gyroid) demonstrated positive results in impact behavior, obtaining high-impact absorption (165kJ/m2) with no more than 56 % of fiver volume. The impact properties information of CFRP composites made with aramid fibers is still very scarce, joined to the lack of information on the impact properties of CFRP composites with non-solid infill, like gyroids or sinusoidal path infills. The results of this research open the possibility of using non-solid infill in CFR process that can be used to manufacture and test ready-for-use CFRP products in tasks that require highstrength, low-weight structures and impact energy absorption.

Revista



Revista ISSN
2666-6820

Métricas Externas



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Disciplinas de Investigación



WOS
Materials Science, Composites
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Moreno-Nunez, B. A. - Tecnol Monterrey - México
Tecnológico de Monterrey, Querétaro - México
Tecnológico de Monterrey - México
2 Guerrero-Alvarado, M. A. - Tecnol Monterrey - México
Tecnológico de Monterrey, Querétaro - México
Tecnológico de Monterrey - México
3 Salgado-Castillo, A. - Tecnol Monterrey - México
Tecnológico de Monterrey, Querétaro - México
Tecnológico de Monterrey - México
4 Trevino, Cecilia Mujer Tecnol Monterrey - México
Tecnológico de Monterrey - México
5 Cuan-Urquizo, E. - Tecnol Monterrey - México
Tecnológico de Monterrey - México
6 Sanchez-Santana, U. - Ctr Ingn & Desarrollo Ind CIDESI - México
Centro de Ingenieria y Desarollo Industrial - México
7 Pincheira-Orellana, G. - Universidad de Talca - Chile

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Financiamiento



Fuente
Tecnologico de Monterrey
Instituto Tecnológico y de Estudios Superiores de Monterrey
Consejo Nacional de Humanidades, Ciencias y Tecnologías
Consejo Nacional de Humanidades Ciencias y Tecnologias (CONAHCYT)
Centro de Ingeniería y Desarrollo Industrial

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Agradecimientos



Agradecimiento
The authors would like to acknowledge the support of Tecnologico de Monterrey, Consejo Nacional de Humanidades Ciencias y Tecnologias (CONAHCYT). Also want to acknowledge the technical support provided by Centro de Ingenieria y Desarrollo Industrial (CIDESI) Queretaro for the support in the experiments.
The authors would like to acknowledge the support of Tecnol\u00F3gico de Monterrey, Consejo Nacional de Humanidades Ciencias y Tecnolog\u00EDas (CONAHCYT). Also want to acknowledge the technical support provided by Centro de Ingenieria y Desarrollo Industrial (CIDESI) Quer\u00E9taro for the support in the experiments.
The authors would like to acknowledge the support of Tecnol\u00F3gico de Monterrey, Consejo Nacional de Humanidades Ciencias y Tecnolog\u00EDas (CONAHCYT). Also want to acknowledge the technical support provided by Centro de Ingenieria y Desarrollo Industrial (CIDESI) Quer\u00E9taro for the support in the experiments.

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