Zobrazeno 1 - 10
of 94
pro vyhledávání: '"António J. Pontes"'
Publikováno v:
Polymers, Vol 15, Iss 24, p 4649 (2023)
Electronic devices are sensitive to electromagnetic (EM) emissions, and require electromagnetic shielding protection to ensure good operation, and prevent noise, malfunctioning, or even burning. To ensure protection, it is important to develop suitab
Externí odkaz:
https://doaj.org/article/1f558748c2e64134a62af3b17befa5f2
Publikováno v:
Materials, Vol 16, Iss 18, p 6219 (2023)
The technological, social and economic development observed in recent decades brought an exponential increase in consumption and inherent new challenges. Recycling is one of the best solutions to minimize the environmental impact of raw materials. Ho
Externí odkaz:
https://doaj.org/article/717027138eaf4468901121c7b4e71b35
Autor:
Tiago E. P. Gomes, Mylene S. Cadete, Jorge A. F. Ferreira, Renato Febra, João Silva, Tiago Noversa, António J. Pontes, Victor Neto
Publikováno v:
Sensors, Vol 23, Iss 7, p 3569 (2023)
In the highly competitive injection molding industry, the ability to effectively collect information from various sensors installed in molds and machines is of the utmost relevance, enabling the development of data-based Industry 4.0 algorithms. In t
Externí odkaz:
https://doaj.org/article/80904b903f8848508ba546014c65137a
Autor:
João Veiga, Susana Lima, Luís Silva, Vítor Hugo Carneiro, Mário Pinhão, Arminda Manuela Gonçalves, Maria Teresa Malheiro, Álvaro Miguel Sampaio, José Meireles, António J. Pontes, José Machado
Publikováno v:
Sensors, Vol 22, Iss 9, p 3423 (2022)
Machine end-effector kinematic analysis is critical to optimizing transporting components where inertial forces are the main loads. While displacements may be measured with relatively high accuracy in transportation equipment motors, the inertial for
Externí odkaz:
https://doaj.org/article/710a88381b4244c59afed71f8fb9cf7b
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 6, Iss 2, p 40 (2022)
Metal additive-manufacturing technologies enable the production of complex geometries. However, high manufacturing costs hinder these technologies being employed in some industries. In this sense, a hybrid strategy is presented in this paper, to achi
Externí odkaz:
https://doaj.org/article/f81f77d7b0bb4585a0d347503508aabb
Autor:
Miguel R. Silva, João A. Dias-de-Oliveira, António M. Pereira, Nuno M. Alves, Álvaro M. Sampaio, António J. Pontes
Publikováno v:
Polymers, Vol 13, Iss 9, p 1500 (2021)
The main characteristic of materials with a functional gradient is the progressive composition or the structure variation across its geometry. This results in the properties variation in one or more specific directions, according to the functional ap
Externí odkaz:
https://doaj.org/article/bb126043009b445a9181067f7f048731
Publikováno v:
Materials, Vol 14, Iss 8, p 1989 (2021)
Additive Manufacturing (AM) technology has been increasing its penetration not only for the production of prototypes and validation models, but also for final parts. This technology allows producing parts with almost no geometry restrictions, even on
Externí odkaz:
https://doaj.org/article/79d4486a995f433081ba36008dd5e767
Publikováno v:
Materials, Vol 14, Iss 8, p 2041 (2021)
This study shows the performance of heat sinks (HS) with different designs under forced convection, varying geometric and boundary parameters, via computational fluid dynamics simulations. Initially, a complete and detailed analysis of the thermal pe
Externí odkaz:
https://doaj.org/article/3a90e687cecf4967898e9551b44c0573
Publikováno v:
INTERNATIONAL CONFERENCE ON HUMANS AND TECHNOLOGY: A HOLISTIC AND SYMBIOTIC APPROACH TO SUSTAINABLE DEVELOPMENT: ICHT 2022.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2208ca359e133be6d395e68f1ee0baae
https://doi.org/10.1063/5.0136200
https://doi.org/10.1063/5.0136200
Autor:
António J. Pontes, Luís C. Martins
Publikováno v:
Journal of Reinforced Plastics and Composites. 41:206-214
Market demands for lightweight and lower cost products drive manufacturers to improve current product portfolios. In the case of electronic devices, the most significant weight originates from the enclosure, traditionally in steel or aluminum, that e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad7007940b91c74e3d3df73d433114ee
https://doi.org/10.1177/07316844211051732
https://doi.org/10.1177/07316844211051732