Výsledky vyhledávání - "Victor H. López"

Akademický článek

Metallurgical Characterization of API X65 Steel Joint Welded by MIG Welding Process with Axial Magnetic Field

Autor: Constantino Natividad, Rafael García, Victor H. López, Antonio Contreras, Melchor Salazar

Publikováno v: Materials Research, Vol 20, Iss 5, Pp 1174-1178 (2017)

In this work, API X-65 pipeline steel non-conventionally heat treated, to enhance its mechanical resistance, was welded using the Metal Inert Gas (MIG) process with and without the application of low intensity axial magnetic fields (6 mT). Microstruc

Externí odkaz: https://doaj.org/article/8da01ad2b32a4f34b976ac10d378d663

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Akademický článek

Efecto de los ciclos térmicos de soldadura por arco eléctrico indirecto modificado (AEIM) en las propiedades mecánicas de la aleación AA6061-T6

Autor: Ricardo R. Ambriz, Gerardo Barrera, Rafael García, Victor H. López

Publikováno v: Revista de Metalurgia, Vol 45, Iss 1, Pp 42-51 (2009)

Se presentan los resultados de medición de temperatura durante la soldadura por arco eléctrico indirecto modificado (AEIM) de la aleación AA6061-T6. Éstas, describen los ciclos térmicos de la zona afectada por el calor (ZAC) y en la zona de fusi

Externí odkaz: https://doaj.org/article/8b6765e3c7ab4bfa8d5d6ed340afb683

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On a problem by Nathan Jacobson for Malcev algebras

Autor: Solís, Victor H. López

In this paper we solve a problem for a certain class of Malcev algebras, which is an analogous of an old problem posed by Nathan Jacobson for alternative algebras. Specifically we prove a coordinatization theorem for a class of Malcev algebras contai

Externí odkaz: http://arxiv.org/abs/2106.01155

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Some Results on Analysis and number theory

Autor: Maguiña, B. M. Cerna, Solís, Victor H. López, Garcia, Dik D. Lujerio

In this paper we obtain bounds for integer solutions of quadratic polynomials in two variables that represent a natural number. Also we get some results on twin prime numbers. In addition, we use linear functionals to prove some results of the mathem

Externí odkaz: http://arxiv.org/abs/2102.12379

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On a problem by Nathan Jacobson

Autor: Solís, Victor H. López, Shestakov, Ivan P.

We prove a coordinatization theorem for unital alternative algebras containing 2 x 2 matrix algebra with the same identity element 1. This solves an old problem announced by Nathan Jacobson on the description of alternative algebras containing a gene

Externí odkaz: http://arxiv.org/abs/2007.09313

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Akademický článek

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Akademický článek

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Impact of accountable care organizations on acute cholecystitis outcomes in the Rio Grande Valley

Autor: Victor H. López, Kristina Vatcheva, Monica M. Betancourt-Garcia, Angel Doño, Ricardo D. Martínez, Robert Armour Forse

Publikováno v: Surgery. 171(3)

Accountable care organizations through the Affordable Care Act are to improve Medicare beneficiaries' health while reducing costs. We hypothesize that this model may shift care, disease burden, and costs to nonaffiliated hospital facilities in patien

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38b9ae2d681f87e863c541c2c8c70be8
https://pubmed.ncbi.nlm.nih.gov/35034794

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Effects of the heat input in the mechanical integrity of the welding joints welded by GMAW and LBW process in Transformation Induced Plasticity steel (TRIP) used in the automotive industry

Autor: Gladys Yerania Pérez Medina, Hugo F. López, Victor H. López Cortéz, Felipe A. Reyes Valdéz

Publikováno v: Soldagem & Inspeção, Vol 15, Iss 3, Pp 234-241 (2010)
Soldagem & Inspeção, Volume: 15, Issue: 3, Pages: 234-241, Published: SEP 2010
Soldagem & Inspeção v.15 n.3 2010
Revista soldagem & inspeção
Associação Brasileira de Soldagem (ABS)
instacron:ABS

In this work an Advanced High Strength Steel (AHSS) sheet of the Transformation Induced Plasticity (TRIP) type currently employed in the automotive sector was welded using a Gas Metal Arc Welding (GMAW) and a CO2 Laser Beam Welding (LBW) processes. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f8398fe955b3bf4e2d938c6a2912456
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-92242010000300010

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Akademický článek

Evaluation of 475 °C embrittlement in UNS S32750 super duplex stainless steel using four-point electric conductivity measurements

Autor: Gildardo Gutiérrez-Vargas, Alberto Ruiz, Víctor H. López-Morelos, Jin-Yeon Kim, Jorge González-Sánchez, Ariosto Medina-Flores

Publikováno v: Nuclear Engineering and Technology, Vol 53, Iss 9, Pp 2982-2989 (2021)

One of the consequences of the 475 °C embrittlement of duplex stainless steels is the reduction of the resistance to localized corrosion. Therefore, the detection of this type of embrittlement before the material exhibits significant loss in toughne

Externí odkaz: https://doaj.org/article/4c7eec1f9ca743a4acb56986fd541a3d

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