Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Luís Borrego"'
Publikováno v:
Metals, Vol 14, Iss 6, p 663 (2024)
In the present work, a study of the fatigue strength of two materials widely used in the production of molds, namely, the AISI P20 and AISI H13 steels, is presented. The tests were performed at a constant amplitude with a stress ratio of R = 0 using
Externí odkaz:
https://doaj.org/article/02e6488227824b06a37a2101e721a907
Autor:
Haúla F. Haider, Diogo Ribeiro, Sara F. Ribeiro, Nuno Trigueiros, Helena Caria, Luís Borrego, Iola Pinto, Ana L. Papoila, Derek J. Hoare, João Paço
Publikováno v:
Frontiers in Aging Neuroscience, Vol 14 (2022)
Tinnitus is a phantom sound perceived in the absence of external acoustic stimulation. It is described in a variety of ways (e.g., buzzing, ringing, and roaring) and can be a single sound or a combination of different sounds. Our study evaluated asso
Externí odkaz:
https://doaj.org/article/9bd14742b32743e0862f33745310d19b
Autor:
Rui F. Fernandes, Joel de Jesus, Luís Borrego, Luís Vilhena, Amílcar Ramalho, José A. M. Ferreira
Publikováno v:
Metals, Vol 12, Iss 3, p 433 (2022)
Maraging steels are used in several industries, namely in the molds industry. The determination of fatigue crack propagation resistance in 18Ni300 maraging steel at the Paris regime is a vital issue for safety-relevant components, which are designed
Externí odkaz:
https://doaj.org/article/2d32dfb5cee3410f86d8d895dc194c84
Autor:
Luís Santos, Joel de Jesus, Luís Borrego, José A. M. Ferreira, Rui F. Fernandes, José D. M. da Costa, Carlos Capela
Publikováno v:
Metals, Vol 11, Iss 5, p 835 (2021)
This investigation concerns about of fatigue behavior under controlled loading and under strain control for hybrid specimens with parts produced with conventional processes in steel AISI H13 and the stainless steel AISI 420 and the rest part produced
Externí odkaz:
https://doaj.org/article/6d504b25df4d4f69a8e7fbf7deff0f6a
Publikováno v:
Frattura ed Integrità Strutturale, Vol 13, Iss 48 (2019)
The Compact Tension Shear (CTS) specimen is used to study fracture and fatigue under mixed mode I/II loading conditions. Existing K solution was developed for fracture studies and it does not consider the effect of crack deflection. The aim of presen
Externí odkaz:
https://doaj.org/article/95e7abc215144ec6b8a7c5e0e54bc44f
Publikováno v:
Materials, Vol 14, Iss 4, p 737 (2021)
Selective laser melting (SLM) is an additive manufacturing process for producing metallic components with complex geometries. A drawback of this process is the process-inherent poor surface finish, which is highly detrimental in materials submitted t
Externí odkaz:
https://doaj.org/article/dfa4313dcd8a4d0d978ed6b236b3c7b6
Akademický článek
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Publikováno v:
Procedia Structural Integrity. 42:1054-1060
Autor:
Luís Borrego
Publikováno v:
Revista Portuguesa de Imunoalergologia. 27
Autor:
Daniel Rodriguez Muñoz, Álvaro Marco del Castillo, Javier Ramos Jimenez, Luis Borrego Bernabe, Alba Madrid Montoya, Adrián Lorenzo Balboa, Fernando Arribas Ynsaurriaga, Rafael Salguero‐Bodes
Publikováno v:
Journal of Arrhythmia, Vol 39, Iss 4, Pp 676-680 (2023)
Abstract Background Compatibility of DiamondTemp (DT) radiofrequency (RF) catheter with the Rhythmia mapping system has not been manufacturer‐reported nor its tracking accuracy reported. Methods Consecutive patients undergoing macroreentrant atrial
Externí odkaz:
https://doaj.org/article/5b2d098889324ab5a2e7b273e32044bd