Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Alfredo Flores Valdés"'
Publikováno v:
Metals, Vol 14, Iss 4, p 373 (2024)
The casting structure of the AA6063 alloy contains intermetallic particles of β-Al5FeSi, which can result in the fragility of the cast pieces. However, with heat treatment, the β phase transforms from a needle or plate form into an intermetallic ph
Externí odkaz:
https://doaj.org/article/8204823edb6b4c5b958743194b472c2d
Autor:
Juan Alberto Salas Avilés, Alfredo Flores Valdés, Jesús Torres Torres, Rocío Maricela Ochoa Palacios, Alfredo Alan Flores Saldívar
Publikováno v:
Metals, Vol 13, Iss 9, p 1556 (2023)
The study of aluminothermic reduction in manganese compounds is a complex challenge in preparing Al-Mn alloys. The primary objective of this study was to ascertain the activation energy values for the aluminothermic reduction of MnO and Mn3O4 oxides
Externí odkaz:
https://doaj.org/article/d41d5df0ba04447697b8ab5159c35db6
Publikováno v:
Metals, Vol 13, Iss 9, p 1515 (2023)
In the present work, the relationship between deformation, microstructure and mechanical properties of the Sr-modified 4032-type eutectic aluminum alloy was studied. The alloy was prepared from recycled materials, mainly from maritime and automotive
Externí odkaz:
https://doaj.org/article/739a83ce5669471aa0cfe357a9b8dbdc
Autor:
Isaí Galindo Aguilar, Jesús Torres Torres, Alfredo Flores Valdés, Alfredo Alan Flores Saldivar
Publikováno v:
Metals, Vol 12, Iss 12, p 2117 (2022)
The aluminum alloys corresponding to the 6000 series are mainly manufactured by mechanical forming processes. Their properties are enhanced by the homogeneous distribution of intermetallic phases such as β-Al5FeSi or α-Alx (Fe, Mn) Si. By thermal h
Externí odkaz:
https://doaj.org/article/b08ce3d55b8b4d55a2de1a326f667c91
Autor:
Alfredo Alan Flores Saldívar, Rodrigo Juárez Martínez, Alfredo Flores Valdés, Jesús Torres Torres, Rocío Maricela Ochoa Palacios, Yun Li
Publikováno v:
Metals, Vol 11, Iss 11, p 1798 (2021)
The design of an aluminium melting furnace has faced two challenges: mathematical modelling and simulative optimization. This paper first uses fluid dynamics to model the aluminium process mathematically. Then, the model is utilized to simulate a rou
Externí odkaz:
https://doaj.org/article/89e2cf3a30ab4ba2a2d7d01bae6e5127
Autor:
Martín Salazar Ibarra, Alfredo Flores Valdés, José Concepción Escobedo Bocardo, Alfredo Alan Flores Saldívar
Publikováno v:
Metals, Vol 10, Iss 12, p 1567 (2020)
In this study, using mixtures of pure Al, Si, Mn, and Fe powders, the α-Al9FeMnSi intermetallic compound was formed onto AISI 304L stainless steel samples by reactive sintering. The processing parameters were temperature (800, 850, and 900 °C) and
Externí odkaz:
https://doaj.org/article/1275248d38784f2b97b8dc27637a1462
Publikováno v:
Metals, Vol 9, Iss 1, p 92 (2019)
This paper presents and discusses a methodology implemented to study the process of the preparation of aluminium alloy foams using the alloy A-242, beginning from the recycling of secondary aluminium obtained from beverage cans. The foams are prepare
Externí odkaz:
https://doaj.org/article/9284660e6d2541d9a7b553f214eb4206
Autor:
Alfredo Flores-Valdés, Jorge López-Cuevas, Claudia Maribel García-Hernández, Carlos A. Gutiérrez-Chavarría
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 60, Iss 3, Pp 163-174 (2021)
A mixture of olivine and (NH4)2SO4 was reacted in the solid state at 300–500 °C for 1 h. This was followed by mechanical activation of the reacted material for 4–16 h in a laboratory attrition mill. Si and Fe were removed from the milled materia
Autor:
José Concepción Escobedo Bocardo, Alfredo Alan Flores Saldivar, Martín Salazar Ibarra, Alfredo Flores Valdés
Publikováno v:
Metals
Volume 10
Issue 12
Metals, Vol 10, Iss 1567, p 1567 (2020)
Volume 10
Issue 12
Metals, Vol 10, Iss 1567, p 1567 (2020)
In this study, using mixtures of pure Al, Si, Mn, and Fe powders, the &alpha
Al9FeMnSi intermetallic compound was formed onto AISI 304L stainless steel samples by reactive sintering. The processing parameters were temperature (800, 850, and 900
Al9FeMnSi intermetallic compound was formed onto AISI 304L stainless steel samples by reactive sintering. The processing parameters were temperature (800, 850, and 900
Autor:
Rocío Maricela Ochoa Palacios, Yun Li, Jesús Torres Torres, Rodrigo Juarez Martinez, Alfredo Flores Valdés, Alfredo Alan Flores Saldivar
Publikováno v:
Metals
Volume 11
Issue 11
Metals, Vol 11, Iss 1798, p 1798 (2021)
Volume 11
Issue 11
Metals, Vol 11, Iss 1798, p 1798 (2021)
The design of an aluminium melting furnace has faced two challenges: mathematical modelling and simulative optimization. This paper first uses fluid dynamics to model the aluminium process mathematically. Then, the model is utilized to simulate a rou