A novel technique to produce metallic microdrops for additive manufacturing

Vega, E. J.; Cabezas, M.G.; Muñoz-Sánchez, B.N.; Montanero, J. M.; Gañán‐Calvo, Alfonso M.

doi:10.1007/s00170-013-5357-3

Cited by 23 publications

(14 citation statements)

References 28 publications

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“…That is the case, for instance, of research dealing with direct deposition of metal. Borosilicate glass nozzles were used by Khan et al (2012) to create their multi-nozzle setup for direct deposition of a copper colloidal solution to produce electronic connections, or by Vega et al (2014) for their apparatus to produce low melting point metal droplets from metal wire by induction heating. Sapphire nozzles are used, for example, in the drop-on-demand equipment developed by Cheng et al (2005) in which the nozzle is located at the bottom of the crucible.…”

Section: Introductionmentioning

confidence: 99%

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A new fire shaping approach to produce highly axisymmetric and reproducible nozzles

Muñoz-Sánchez

Gañán‐Calvo

Cabezas

2019

Journal of Materials Processing Technology

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Section: Introductionmentioning

confidence: 99%

“…Several microfluidic devices include fire-shaped nozzles. For example, Vega et al (2014) used this kind of nozzle in their apparatus to produce low melting point metal droplets. As mentioned above, Utada et al (2005) used one as collection tube in their double emulsion device.…”

Section: Introductionmentioning

confidence: 99%

A new fire shaping approach to produce highly axisymmetric and reproducible nozzles

Muñoz-Sánchez

Gañán‐Calvo

Cabezas

2019

Journal of Materials Processing Technology

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“…This method is popularly known as drop on demand method. Another similar work was reported by Vega et al, 37 wherein low melting point metal alloy was continuously ejected in the form of droplet by application of pressure. Some of the research has been done on the induction energy–based metal AM process.…”

Section: Introductionmentioning

confidence: 53%

On the suitability of induction heating system for metal additive manufacturing

Sharma

Pant

Jain

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part B:

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Induction heating is a non-contact-based energy source that has the potential to quickly melt the metal and become the alternate energy source that can be used for additive manufacturing. At present, induction heating is widely used in various industrial applications such as melting, preheating, heat treatment, welding, and brazing. The potential of this source has not been explored in the additive manufacturing domain. However, the use of induction heating in additive manufacturing could lead to low-cost part fabrication as compared to other energy sources such as laser or electron beam. Therefore, this study explores the feasibility of this energy source in additive manufacturing for fabricating parts of metallic materials. An experimental system has been developed by modifying an existing delta three-dimensional printer. An induction heater coil has been incorporated to extruder head for semi-solid processing of the metal alloy. In order to test the viability of the developed system, aluminium material in the filament form has been processed. Obtained results have shown that the induction heating–based energy source is capable of processing metallic materials having a melting point up to 1000° C. The continuous extrusion of the material has been achieved by controlling the extruder temperature using a proportional integral derivative–based controller and k-type thermocouple. The study also discusses various issues and challenges that occurred during the melting of metal with induction heating. The outcomes of this study may be a breakthrough in the area of metal-based additive manufacturing.

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“…The limited crucible volume is the main obstacle for further commercialization of liquid metal 3D printing. To overcome this problem, a wire-based feeding system was proposed by [34] for generation of continuous droplet stream of a low-melting-point alloy. The first liquid metal 3D printer was commercialized by Vader Systems under the trade name of "MagnetoJet" that uses a method very similar to that proposed several years ago by International Business Machines Corp (IBM, patent no.…”

Section: Materials Jetting Processesmentioning

confidence: 99%

Beamless Metal Additive Manufacturing

2020

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The propensity to manufacture functional and geometrically sophisticated parts from a wide range of metals provides the metal additive manufacturing (AM) processes superior advantages over traditional methods. The field of metal AM is currently dominated by beam-based technologies such as selective laser sintering (SLM) or electron beam melting (EBM) which have some limitations such as high production cost, residual stress and anisotropic mechanical properties induced by melting of metal powders followed by rapid solidification. So, there exist a significant gap between industrial production requirements and the qualities offered by well-established beam-based AM technologies. Therefore, beamless metal AM techniques (known as non-beam metal AM) have gained increasing attention in recent years as they have been found to be able to fill the gap and bring new possibilities. There exist a number of beamless processes with distinctively various characteristics that are either under development or already available on the market. Since this is a very promising field and there is currently no high-quality review on this topic yet, this paper aims to review the key beamless processes and their latest developments.

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A novel technique to produce metallic microdrops for additive manufacturing

Cited by 23 publications

References 28 publications

A new fire shaping approach to produce highly axisymmetric and reproducible nozzles

A new fire shaping approach to produce highly axisymmetric and reproducible nozzles

On the suitability of induction heating system for metal additive manufacturing

Beamless Metal Additive Manufacturing

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