Characterization of mechanical properties and fracture mode of additively manufactured carbon fiber and glass fiber reinforced thermoplastics

Goh, Guo Dong; Dikshit, Vishwesh; Nagalingam, Arun Prasanth; Goh, Guo Liang; Agarwala, Shweta; Sing, Swee Leong; Wei, Jun; Yeong, Wai Yee

doi:10.1016/j.matdes.2017.10.021

Cited by 451 publications

(312 citation statements)

References 42 publications

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“…The electrical conductivity of tar‐based carbon fibers is approximately three times greater than copper. In addition, carbon fibers occupy an important place in aerospace industry because of its lightweight, low density, high impact strength, low coefficient friction and vibration damping …”

Section: Methodsmentioning

confidence: 99%

A lightweight, strength and electromagnetic shielding polymer composite structure for infant carrier strollers

2019

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Electromagnetic (EM) shielding is a protection about reducing the EM fields in a space by blocking the waves with barriers including conductive materials. EM shielding has become an important concept in recent years as a result of increased EM environment pollution. Its long‐term effects are still being investigated in terms of public health. Because of gaining more and more importance in daily life, there are a large number of research subjects including not only raw materials but also end‐products in the literature. In this study, EM shielding characteristics and strength analysis of a diverse range of polymer composites were evaluated and compared for use in an infant carrier stroller body. This type of strollers is not only used for carrying infants, but also some parts of them are used as baby car seats which should be light and strength. Since, the strollers are commonly used in public areas which the infant is exposed to EM radiation and it is strongly recommended to protect infants from EM radiation, sample polymer composite plates have been produced and electromagnetic shielding effectiveness (EMSE) measurements in an anechoic chamber were performed. According to EMSE performances of the plates in frequency range of 700 MHz to 3 GHz, two of the nine different (carbon, aramid, hybrid, glass fiber) textiles were selected to be used in two infant carrier prototypes. After production of prototypes, samples from these prototypes were taken, tensile and impact tests were performed to determine if the molded structures were strength and light enough.

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Section: Methodsmentioning

confidence: 99%

A lightweight, strength and electromagnetic shielding polymer composite structure for infant carrier strollers

2019

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“…Goh et al reported a comparison of fracture behaviors between 3D‐printed carbon and glass FRPC. The results showed that fracture behavior of tensile and quasistatic indentation tests between continuous carbon and continuous glass FRPC is similar, while fracture behavior of flexural test is different . In addition to the above two inorganic fibers, natural plant fiber is also applied to 3D‐printed FRPC gradually.…”

Section: Introductionmentioning

confidence: 99%

“…The results showed that fracture behavior of tensile and quasistatic indentation tests between continuous carbon and continuous glass FRPC is similar, while fracture behavior of flexural test is different. 29 In addition to the above two inorganic fibers, natural plant fiber is also applied to 3D-printed FRPC gradually. Matsuzaki et al developed a method of in-nozzle impregnation for 3D printing of continuous FRPC and found that the tensile properties of 3D-printed carbon FRPC were much better than that of 3D-printed natural jute FRPC.…”

mentioning

confidence: 99%

Three‐dimensional printing of poly(lactic acid) bio‐based composites with sugarcane bagasse fiber: Effect of printing orientation on tensile performance

Liu

Peng

et al. 2019

Polymers for Advanced Techs

133

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The cellulose fiber was extracted from the abandoned crop sugarcane bagasse (SCB) by means of chemical treatment methods. Poly(lactic acid) (PLA) bio‐based composites with SCB were prepared through fused deposition modeling (FDM) 3D‐printing technology, and the morphologies, mechanical properties, crystallization properties, and thermal stability of 3D‐printed composites were investigated. Compared with the neat PLA, the incorporation of SCB into PLA reduces the tensile strength and flexural strength of 3D‐printed samples but increases the flexural modulus. The difference in tensile performance and bending performance is that the tensile strength of 3D‐printed samples is best when the SCB content is 6 wt%, while the flexural modulus continuously decreases as the SCB content increases. Furthermore, the effects of various printing methods on the tensile performance of 3D‐printed samples were explored via modifying G‐code of 3D models. The results indicate that the optimum SCB fiber content is identical for all printing methods except method “vertical.” Due to the fibers and molecular chains are oriented to varying degrees with altering raster angle in 3D‐printed samples, the fully oriented sample printed by method “parallel” has a better tensile strength. Besides, SCB exhibits enough high thermal decomposition temperature to meet requirements for melt extrusion processing of PLA composites, and SCB fiber is capable of promoting the crystallization of PLA.

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“…This enhanced manufacturing technology would make it possible to reinforce the components only in the regions and in relation to the most requested directions according to their application in use. This feature can be achieved using reduced diameter yarn filaments, which will be deposited solely according to the most requested orientations, allowing it to produce micro reinforcements, as well as larger areas of reinforcement [39]. With this purpose, a prototype system was designed, built and tested and it is presented in the next section.…”

Section: Additive Manufacturing By Filamentary Fusionmentioning

confidence: 99%

Development of an Additive Manufacturing System for the Deposition of Thermoplastics Impregnated with Carbon Fibers

Silva

Pereira

Alves

et al. 2019

JMMP

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This work presents an innovative system that allows the oriented deposition of continuous fibers or long fibers, pre-impregnated or not, in a thermoplastic matrix. This system is used in an integrated way with the filamentary fusion additive manufacturing technology and allows a localized and oriented reinforcement of polymer components for advanced engineering applications at a low cost. To demonstrate the capabilities of the developed system, composite components of thermoplastic matrix (polyamide) reinforced with pre-impregnated long carbon fiber (carbon + polyamide), 1 K and 3 K, were processed and their tensile and flexural strength evaluated. It was demonstrated that the tensile strength value depends on the density of carbon fibers present in the composite, and that with the passage of 2 to 4 layers of fibers, an increase in breaking strength was obtained of about 366% and 325% for the 3 K and 1 K yarns, respectively. The increase of the fiber yarn diameter leads to higher values of tensile strength of the composite. The obtained standard deviation reveals that the deposition process gives rise to components with anisotropic mechanical properties and the need to optimize the processing parameters, especially those that lead to an increase in adhesion between deposited layers.

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Characterization of mechanical properties and fracture mode of additively manufactured carbon fiber and glass fiber reinforced thermoplastics

Cited by 451 publications

References 42 publications

A lightweight, strength and electromagnetic shielding polymer composite structure for infant carrier strollers

A lightweight, strength and electromagnetic shielding polymer composite structure for infant carrier strollers

Three‐dimensional printing of poly(lactic acid) bio‐based composites with sugarcane bagasse fiber: Effect of printing orientation on tensile performance

Development of an Additive Manufacturing System for the Deposition of Thermoplastics Impregnated with Carbon Fibers

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