3D printing: State of the art and future perspectives

Balletti, Caterina; Ballarin, Martina; Guerra, Francesco

doi:10.1016/j.culher.2017.02.010

Cited by 203 publications

(107 citation statements)

References 18 publications

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“…Moreover, it allows manufacturing components with almost total freedom in the design, thus being able to obtain high complexity parts, which are impossible to perform using any of the traditional manufacturing technologies. In addition, it makes possible to shorten supply chain links and lead times, reducing assembly, storage, and transportation costs [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Strain-Sensing Capabilities of Carbon Nanotube Reinforced Composites by Digital Light Processing 3D Printing Technology

et al. 2020

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Mechanical and strain sensing capabilities of carbon nanotube (CNT) reinforced composites manufactured by digital light processing (DLP) 3D printing technology have been studied. Both CNT content and a post-curing treatment effects have been analyzed. It has been observed that post-curing treatment has a significant influence on mechanical properties, with an increase of Young’s modulus and glass transition temperature whereas their effect in electrical properties is not so important. Furthermore, the strain sensing tests show a linear response of electrical resistance with applied strain, with higher values of sensitivity when decreasing CNT content due to a higher interparticle distance. Moreover, the electrical sensitivity of bending tests is significantly lower than in tensile ones due to the compression subjected face effect. Therefore, the good gauge factor values (around 2–3) and the high linear response proves the applicability of the proposed nanocomposites in structural health monitoring applications.

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Section: Introductionmentioning

confidence: 99%

Mechanical and Strain-Sensing Capabilities of Carbon Nanotube Reinforced Composites by Digital Light Processing 3D Printing Technology

et al. 2020

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“…Additive manufacturing (AM) of concrete via 3D printing enables the free-form construction of concrete structures that are irregular in form; much research is ongoing in this area [6][7][8][9][10][11][12]. To secure the structural performance, the methods of evaluating mechanical properties have been extensively explored.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Mechanical Properties of a 3D-Printed Mortar

Lee

Kim

et al. 2019

Materials

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The mechanical properties of 3D-printed mortars are determined in terms of their compressive and direct tensile bond strengths. To determine such properties using existing methods, a preliminary experiment was conducted. The compressive strength of the printed mortar was compared to mold-casted specimens and it was found that the compressive strength decreased by ~30%. Among the fabrication variables, an increase in nozzle height negatively influenced the direct tensile bond strength. For the same conditions and age, the direct tensile strength decreased by as much as 16–29% when the number of layers increased from 2 to 6. When the specimens were fabricated using a specially designed stainless steel frame and core drill, followed by extraction and the application of physical impact, the 28 days compressive strength of the specimen decreased by ~50%.

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“…Posteriormente, las superficies externas cerradas del modelo CAD se representan mediante formato de lenguaje de triangulación estándar por sus siglas en inglés (STL -Standard Tessellation Language), este formato se importa a un programa de segmentación que lo convierte en código G, el cual, es un lenguaje de programación de las máquinas que trabajan con Control Numérico Computarizado (CNC) y que proporciona instrucciones de movimiento paso a paso para la impresora (Balletti;Ballarin;Guerra, 2017;Redwood, s.f. b).…”

Section: Etapas Del Proceso De Impresión 3dunclassified

Integración De La Impresión 3d en El Proceso De Cera Perdida Para La Producción De Joyas, Con Fines De Estandarización

Vega

Mesa

2019

Inf.Tec

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3D printing: State of the art and future perspectives

Cited by 203 publications

References 18 publications

Mechanical and Strain-Sensing Capabilities of Carbon Nanotube Reinforced Composites by Digital Light Processing 3D Printing Technology

Mechanical and Strain-Sensing Capabilities of Carbon Nanotube Reinforced Composites by Digital Light Processing 3D Printing Technology

Evaluation of the Mechanical Properties of a 3D-Printed Mortar

Integración De La Impresión 3d en El Proceso De Cera Perdida Para La Producción De Joyas, Con Fines De Estandarización

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