A method for the detection and characterization of technology fronts: Analysis of the dynamics of technological change in 3D printing technology

Garechana, Gaizka; Belver, Rosa María Río; Bildosola, Iñaki; Carrasco, Ernesto Cilleruelo

doi:10.1371/journal.pone.0210441

Cited by 10 publications

(14 citation statements)

References 62 publications

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“…Our preliminary cost analysis has shown that SLS printing of meatal dilators could be an efficient alternative to machining. Although the cost of USD 175,000 for the SLS printer used in this study may present a cost barrier for many institutions, with the expiry of patents the cost of SLS printers continues to decrease over time [31]. Any discussion around cost is likely to change in the future as 3D printing technology continues to evolve and become cheaper and more accessible.…”

Section: Discussionmentioning

confidence: 96%

Three-dimensional printing versus conventional machining in the creation of a meatal urethral dilator: development and mechanical testing

et al. 2020

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Section: Discussionmentioning

confidence: 96%

Three-dimensional printing versus conventional machining in the creation of a meatal urethral dilator: development and mechanical testing

et al. 2020

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“…This section highlights the phases and crystal features of 3D-printed HEA products. DED, [144] (b) SLM, [145] and (c) EBM. [146] Reproduced with permission.…”

Section: D Printing Of Heasmentioning

confidence: 99%

Section: D Printing Of Heasmentioning

confidence: 99%

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Recent Advances on High‐Entropy Alloys for 3D Printing

et al. 2020

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Boosted by the success of high-entropy alloys (HEAs) manufactured by conventional processes in various applications, the development of HEAs for three-dimensional (3D) printing has been advancing rapidly in recent years. 3D printing of HEAs gives rise to great potential for manufacturing geometrically complex HEA products with desirable performances, thereby inspiring their increased manifestation in industrial applications. In this paper, a comprehensive review of the recent achievements of 3D printing of HEAs is provided, in the aspects of their powder development, printing processes, microstructures, properties and potential applications. It begins with the introduction of the fundamentals of 3D printing and HEAs as well as the unique properties of 3D-printed HEA products. The processes for the development of HEA powders, including atomization and mechanical alloying, and the powder properties are then presented. Thereafter, typical processes for printing HEA products from powders, namely, directed energy deposition, selective laser 2 melting and electron beam melting, are discussed with regard to the phases, crystal features, mechanical properties, functionalities and potential applications of these products (particularly in the aerospace, energy, molding and tooling industries). Finally, perspectives are outlined to provide guidance for future research.

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Advanced Fabrication of Mechanical Metamaterials Based on Micro/Nanoscale Technology

Chen,

Lin,

Salehi

et al. 2023

Adv Eng Mater

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In recent years, mechanical metamaterials have shown good mechanical properties such as ultra‐lightness, programmable stiffness, and tunable Poisson’s ratio through clever structural design of microstructures. Micro/nanotechnology has been used to ensure mechanical metamaterials’ fabrication quality and performance for use as structural substrates in multifunctional applications. Mechanical metamaterials are intentionally engineered with periodic microstructures in diverse shapes, allowing for the creation of complex structural substrates. However, this sophisticated design poses significant challenges in the fabrication process, particularly at the micro/nanoscale level, where current technology hinders mechanical metamaterials’ performance improvement and function realization. This review explores the fabrication processes of mechanical metamaterials using micro/nanotechnology and showcase recent progress and future trends. Particular attention is given to recent development, challenges, and future trends in advanced fabrication technologies for mechanical metamaterials. This survey aims to explain why mechanical metamaterials have significant benefits and are well‐suited as structural substrates for multifunctional applications, what advanced fabrication technologies at the micro/nanoscale have been introduced to prepare mechanical metamaterials and how to overcome manufacturing technology bottlenecks of mechanical metamaterials in terms of synthesis, materials and design method.This article is protected by copyright. All rights reserved.

show abstract

A method for the detection and characterization of technology fronts: Analysis of the dynamics of technological change in 3D printing technology

Cited by 10 publications

References 62 publications

Three-dimensional printing versus conventional machining in the creation of a meatal urethral dilator: development and mechanical testing

Three-dimensional printing versus conventional machining in the creation of a meatal urethral dilator: development and mechanical testing

Recent Advances on High‐Entropy Alloys for 3D Printing

Advanced Fabrication of Mechanical Metamaterials Based on Micro/Nanoscale Technology

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