Influence of mixed isotropic fiber angles and hot press on the mechanical properties of 3D printed composites

Hui, Mei; Ali, Zeeshan; Yan, Yuekai; Ali, Ihtisham; Cheng, Laifei

doi:10.1016/j.addma.2019.03.008

Cited by 50 publications

(43 citation statements)

References 31 publications

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“…In the GFRP specimens, an apparent decrease in strength and elastic modulus with the increase in fiber orientation angle is observed. Similar behavior has been reported in the past [39,40] for GFRP composites with some fiber orientations. GFRP specimens with 0 • and 12 • fiber orientation showed high linearity to failure.…”

Section: Resultssupporting

confidence: 89%

3D-Printed Pseudo Ductile Fiber-Reinforced Polymer (FRP) Composite Using Discrete Fiber Orientations

Vemuganti

Soliman

Taha

2020

Fibers

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The use of fiber-reinforced polymer (FRP) composite materials are continuously growing in civil infrastructure due to their high strength, low weight, and manufacturing flexibility. However, FRP is characterized by sudden failure and lacks ductility. When used in construction, gradual failure of FRP components is desired to avoid catastrophic structural collapse. Due to its mechanical orthotropy, the behavior of FRP relies significantly on fiber orientation and stacking sequence. In this paper, a novel multi-angled glass fiber reinforced polymer (GFRP) composite laminate showing pseudo ductile behavior is produced using 3D-printing. This is accomplished by varying fiber orientation angles, stacking sequence, and thickness of lamina. Single-angled GFRP composite specimens were 3D-printed with different fiber orientation angles of 0°, 12°, 24°, 30°, 45°, and 90° using continuous and fused filament techniques. The tension test results of the single-angled specimens were then used to aid the design of multi-angled laminate for potential progressive failure behavior. A 3D finite element (FE) model was developed to predict the response of the experimental results and to provide insight into the failure mechanism of the multi-angled laminate. The experimental observations and the FE simulations show the possibility of producing pseudo ductile FRP-by-design composite using 3D-printing technology, which leads the way to fabricate next-generation composites for civil infrastructure.

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Section: Resultssupporting

confidence: 89%

3D-Printed Pseudo Ductile Fiber-Reinforced Polymer (FRP) Composite Using Discrete Fiber Orientations

Vemuganti

Soliman

Taha

2020

Fibers

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“…On the other hand, all this information is very important for designing and characterizing a composite part as well as predicting the mechanical properties. A number of research works have been published that used the Mark Two printer, and few of them examined only a few of these issues that were related to their respective work [10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

The Road to Improved Fiber-Reinforced 3D Printing Technology

2020

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Three-dimensional printing (3DP) is at the forefront of the disruptive innovations adding a new dimension in the material fabrication process with numerous design flexibilities. Especially, the ability to reinforce the plastic matrix with nanofiber, microfiber, chopped fiber and continuous fiber has put the technology beyond imagination in terms of multidimensional applications. In this technical paper, fiber and polymer filaments used by the commercial 3D printers to develop fiber-reinforced composites are characterized to discover the unknown manufacturing specifications such as fiber–polymer distribution and fiber volume fraction that have direct practical implications in determining and tuning composites’ properties and their applications. Additionally, the capabilities and limitations of 3D printing software to process materials and control print parameters in relation to print quality, structural integrity and properties of printed composites are discussed. The work in this paper aims to present constructive evaluation and criticism of the current technology along with its pros and cons in order to guide prospective users and 3D printing equipment manufacturers on improvements, as well as identify the potential avenues of development of the next generation 3D printed fiber-reinforced composites.

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“…Therefore, it was evident that the reinforcement possesses hybridization property to obtain better and improved properties of composite materials 36,39 . Among various fibers, including wood, carbon, onyx and such alike, it was significantly observed that the onyx‐carbon fiber reinforced composite provided better properties with respect to higher impact, tensile strength and modulus 26,38,39 . Addition of onyx reinforcement to carbon fiber reinforced composite yielded higher tensile strength of 154.66 ± 4.4 MPa, which was approximately two times that of simple carbon fiber reinforced composite and five times higher than the neat PLA material.…”

Section: Resultsmentioning

confidence: 97%

Experimental investigation and statistical analysis of additively manufactured onyx‐carbon fiber reinforced composites

Piramanayagam

Mayandi

Rajini

et al. 2020

J of Applied Polymer Sci

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Availability of additive manufacturing has influenced the scientific community to improve on production and versatility of the components created with several associated technologies. Adding multiple substances through superimposing levels is considered as a part of three‐dimensional (3D) printing innovations to produce required products. These technologies are experiencing an increase in development nowadays. It requires frequently adding substance and has capacity to fabricate extremely complex geometrical shapes. However, the fundamental issues with this advancement include alteration of capacity to create special products with usefulness and properties at an economically viable price. In this study, significant procedural parameters: layer designs/ patterns (hexagonal, rectangular and triangular) and infill densities (30%, 40%, and 50%) were considered to investigate into their effects on mechanical behaviors off fused deposition modeling or 3D‐printed onyx‐carbon fiber reinforced composite specimens, using a high‐end 3D printing machine. Mechanical (tensile and impact) properties of the printed specimens were conclusively analyzed. From the results obtained, it was observed that better qualities were achieved with an increased infill density, and rectangular‐shaped design exhibited an optimum or maximum tensile strength and energy absorption rate, when compared with other counterparts. The measurable relapse conditions were viably evolved to anticipate the real mechanical qualities with an accuracy of 96.4%. In comparison with other patterns, this was more closely predicted in the rectangular design, using regression models. The modeled linear regression helps to define the association of two dependent variables linked with properties of the dissimilar composite material natures. The models can further predict response of the quantities before and also guide practical applications.

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Influence of mixed isotropic fiber angles and hot press on the mechanical properties of 3D printed composites

Cited by 50 publications

References 31 publications

3D-Printed Pseudo Ductile Fiber-Reinforced Polymer (FRP) Composite Using Discrete Fiber Orientations

3D-Printed Pseudo Ductile Fiber-Reinforced Polymer (FRP) Composite Using Discrete Fiber Orientations

The Road to Improved Fiber-Reinforced 3D Printing Technology

Experimental investigation and statistical analysis of additively manufactured onyx‐carbon fiber reinforced composites

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