Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Hipólito Carvajal-Fals"'
Autor:
Dayana Palma-Ramírez, Bárbara D. Ross-Veitía, Pablo Font-Ariosa, Alejandro Espinel-Hernández, Angel Sanchez-Roca, Hipólito Carvajal-Fals, José R. Nuñez-Alvarez, Hernan Hernández-Herrera
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30590- (2024)
The quality of welds is critical to the safety of structures in construction, so early detection of irregularities is crucial. Advances in machine vision inspection technologies, such as deep learning models, have improved the detection of weld defec
Externí odkaz:
https://doaj.org/article/8bc05d890a6a4103a8716e2c13344377
Autor:
Alejandro Espinel-Hernández, Mario Sánchez Orozco, Angel Sánchez-Roca, Lorenzo S. Caputi, Louriel Oliveira-Villarinho, Hipólito Carvajal-Fals
Publikováno v:
Dyna, Vol 89, Iss 220 (2022)
This paper researches the influence of zinc coating of galvanized DP600 steel (DP600G) on the nugget development and mechanical properties of dissimilar DP600 - AISI304 welded joints obtained by resistance spot welding process (RSW). The RSW evaluati
Externí odkaz:
https://doaj.org/article/5f55268c9093449b9dbbac0a23e9238d
Autor:
Miguel Ángel Reyes-Mojena, Mario Sánchez-Orozco, Hipólito Carvajal-Fals, Roberto Sagaro Zamora, Carlos Roberto Camello-Lima
Publikováno v:
Dyna, Vol 84, Iss 202, Pp 239-246 (2017)
In actual work, slurry erosion behavior of three different HVOF sprayed cermet coatings has been studied. The coatings were developed using the powders feedstock having WC fine structured sizes, Cr3C2-NiCr 75-25 and NiCrWSiFeB, latter conventional gr
Externí odkaz:
https://doaj.org/article/dc3175d914d64f62a60fecec460e1c77
Autor:
Emilio Jiménez-Macías, Angel Sánchez-Roca, Hipólito Carvajal-Fals, Julio Blanco-Fernández, Eduardo Martínez-Cámara
Publikováno v:
Abstract and Applied Analysis, Vol 2014 (2014)
This paper analyses the correlation between the acoustic emission signals and the main parameters of friction stir welding process based on artificial neural networks (ANNs). The acoustic emission signals in Z and Y directions have been acquired by t
Externí odkaz:
https://doaj.org/article/a0fc937419964bb48061ee2238271c59
Autor:
Hipólito Carvajal Fals, Mario Sánches Orozco, Luciano Augusto Lourençato, Carlos Roberto Camello Lima
Publikováno v:
Journal of Materials Engineering and Performance. 32:2455-2462
Autor:
Mario Sánchez Orozco, Luciano Augusto Lourençato, Carlos Roberto Camello Lima, Maria Júlia Xavier Belém, Hipólito Carvajal Fals
Publikováno v:
Ceramics International. 46:27670-27678
Niobium pentoxide (Nb2O5) has excellent physicochemical properties regardless of the processing technology. The interest in its application in several fields has increased, especially in corrosive environments. However, when higher wear resistance is
Autor:
Luciano Augusto Lourençato, Hipólito Carvajal Fals, Angel Sánchez Roca, João Paulo Gabre Ferreira
Publikováno v:
Metallurgical and Materials Transactions A. 51:6421-6431
This article aims to correct the lack of information regarding the combined effect of grain refinement and strontium modification on the microstructure and rheological behavior of semi-solid slurries. The A380 aluminum alloy was studied in the semi-s
Autor:
Angel Sánchez Roca, Hipólito Carvajal Fals, Valtair Antonio Ferraresi, Alejandro Espinel Hernández, Mario Sánchez Orozco, Louriel Oliveira Villarinho
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 108:211-221
This work shows a new, non-invasive methodology using infrared (IR) images to evaluate the behavior of the dissimilar DP600/AISI304 joints conducted by resistance spot welding (RSW) process. The processing and characterization of the IR images is con
Autor:
Carlos Roberto Camello Lima, Angel Sánchez Roca, Leonardo Fanton, Hipólito Carvajal Fals, Maria Júlia Xavier Belém, J.B. Fogagnolo
Publikováno v:
Journal of Thermal Spray Technology. 29:319-329
NbC coatings were flame sprayed on AISI 304L substrates and further remelted using a 400-W power ytterbium-doped fiber laser (YLR-500-MM-AC-Y11), inserted into a chamber for argon atmosphere control. For the selection of the remelting parameters, iso
Autor:
Mercedes Pérez de la Parte, Hipólito Carvajal Fals, Angel Sánchez Roca, Emilio Jiménez Macías, Mario Sánchez Orozco, Juan Carlos Azofra
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 105:1823-1834
A new proposal for evaluating the relationship between the energy of vibration signals produced by a friction stir spot welding process and mechanical properties of dissimilar AA1050 H24 aluminum alloy–Cu lap joints is presented here. We characteri