Zobrazeno 1 - 10
of 86
pro vyhledávání: '"M. Herrera Trejo"'
Akademický článek
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Autor:
A. Hernández-Rodríguez, M. de J. Castro-Román, M. Herrera-Trejo, S. Belmares-Perales, P. Orozco-González
Publikováno v:
Metalurgija, Vol 53, Iss 3, Pp 314-316 (2014)
The effects of the Fe/Mn weight ratio (1,42 or 3,05) and cooling rate (0,1, 0,2, 0,5, or 0,6 °C/s) on the area fraction of α-AlFeSi and β-AlFeSi intermetallic compounds in Al-7.5Si-3.75Cu-0.5Mg-0.55Fe-xMn aluminum alloy were studied. It was found
Externí odkaz:
https://doaj.org/article/bc73b89d874f4b0da7121b66e0cdf303
Publikováno v:
Metalurgija, Vol 52, Iss 3, Pp 349-351 (2013)
The effects of natural aging on the tensile strength, Rm, in a rod of 1004 steel were studied. Natural aging was performed at 298 K over a period of 126 h and values were recorded at different intervals. Electron microscopy observations showed just d
Externí odkaz:
https://doaj.org/article/8713f6ed71834d209cd41d0a22d2eb44
Akademický článek
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Autor:
F. Montejo-Alvaro, H.M. Hdz-García, Jorge Oliva, A. Zarate, A.I. Mtz-Enriquez, M. Herrera-Trejo
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 110:52-58
We report a first-principles investigation of metal clusters (Ni 13, Cu13 and Fe13 ) adsorbed on pristine and defective graphene quantum dots (QDs). It was observed that the presence of one vacancy in the QD increased the binding energy of the metal
Autor:
M. Herrera-Trejo, L.E. Verduzco, E. Macias, Jorge Oliva, A.I. Mtz-Enriquez, C.R. Garcia, Nicolaza Pariona, A.I. Oliva
Publikováno v:
Materials Chemistry and Physics. 229:197-209
This work reports the use of compacted graphene composites for the removal of As and Cr heavy metal ions from contaminated water by electrodeposition. The removal of the metal ions contaminants was studied by using two different positions of electrod
Autor:
F. Montejo-Alvaro, H.M. Hdz-García, Jorge Oliva, A.I. Mtz-Enriquez, M. Herrera-Trejo, A. Zarate
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:4310-4317
This work reports the optical, electrical and morphological properties of graphene (G) films. Firstly, glass substrates were coated with iron oxide (IO) films using a spraying method. Subsequently, the sputtering technique was employed for the format
Autor:
Norma Yolanda Flores-Escareño, M. J. Castro-Román, M. Herrera-Trejo, Héctor Manuel Hernández-García
Publikováno v:
Metals, Vol 10, Iss 3, p 306 (2020)
Metals
Volume 10
Issue 3
Metals
Volume 10
Issue 3
The metallurgical interaction of BNi-9 filler metal paste with Waspaloy, Ni-coated Waspaloy, FSX-414, and 304-SS is studied in a brazing treatment under an argon atmosphere with an isothermal hold for one hour at 1150 °
C. The Waspaloy alloys
C. The Waspaloy alloys
Autor:
H.M. Hdz-García, Nicolaza Pariona, Homero Hernandez-Flores, A.I. Mtz-Enriquez, M. Herrera-Trejo
Publikováno v:
Journal of Molecular Structure. 1171:9-16
Concrete/maghemite nanocomposites were prepared by aging a mixture of magnetite nanoparticles (NPs), sand and Portland cement. Diverse spectroscopies and magnetometry revealed that the nanocomposites incorporate maghemite NPs in the concrete structur
Autor:
A.I. Mtz-Enriquez, A. Zarate, M.E. Mejia-Santillan, M. Herrera-Trejo, J. Bravo-C., F. Montejo-Alvaro, Nicolaza Pariona, Dale L. Perry
Publikováno v:
Journal of Magnetism and Magnetic Materials. 451:594-601
The topotactic transformation from magnetite to maghemite sub-microparticles was demonstrated by a variety of techniques that include X-ray diffraction, Raman spectroscopy, electron microscopy, Mossbauer spectroscopy, magnetic measurements, and vis-N