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ListarTecnológica y de Innovación por materia "BIOLOGÍA Y QUÍMICA"

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  • A Bayesian Approach for Estimating the Thinning Corrosion Rate of Steel Heat Exchanger in Hydrodesulfurization Plants 
    VELAZQUEZ ALTAMIRANO, JULIO CESAR; CALEYO CEREIJO, FRANCISCO; CABRERA SIERRA, ROMAN; TERAN ESCOBAR, JOSE GERARDO; HERNANDEZ SANCHEZ, ENRIQUE; CAPULA COLINDRES, SELENE IRAIS; Herrera Hernández, Héctor; Ortiz-Herrera, Carlos; VELÁZQUEZ ALTAMIRANO, JULIO C.; CALEYO, FRANCISCO; CABRERA SIERRA, ROMÁN; TERAN, GERARDO; HERNÁNDEZ SANCHEZ, ENRIQUE; CAPULA COLINDRES, SELENE; HERRERA HERNÁNDEZ, HÉCTOR; ORTIZ HERRERA, Carlos O. (Advances in Materials Science and Engineering, 2018-11-08)
    Fuel consumption has been increasing in recent years, especially that of diesel and jet fuel. For this reason, the necessity to build new plants to reduce their sulfur content has arisen. Sometimes, just revamping existing ...
  • Alumina-Based Composites Reinforced with Ductile Particles 
    Osorio Ramos, Jessica J.; Refugio García, María Elizabeth; Terrés Rojas, Eduardo; MIRANDA HERNANDEZ, JOSE GUADALUPE; ROCHA RANGEL, ENRIQUE (International Journal of Research in Engineering and Science (IJRES), 2014-06-01)
    Al2O3/Metal composite ceramics were fabricated by the use of mechanical milling and pressureless sintering. Al2O3 + 10 vol.% of La, Mn, Si or Y were mixed and milled during 12 h at 300 rpm in a horizontal mill, then with ...
  • Alumina-Based Composites Reinforced With Silver Particles 
    ROCHA RANGEL, ENRIQUE; Refugio García, María Elizabeth; MIRANDA HERNANDEZ, JOSE GUADALUPE; Terrés Rojas, Eduardo (2014-01-01)
    Al2O3/Ag composite ceramics were fabricated by the use of mechanical milling and pressureless sintering. Al2O3 + 10 wt.% Ag were mixed and milled during 12 h at 300 rpm in a horizontal mill, then with the powder mixture ...
  • Análisis eléctrico de cerámicas piezoeléctricas de BaTiO3 dopadas con Cu y Ag 
    MIRANDA HERNANDEZ, JOSE GUADALUPE; Herrera Hernández, Héctor; FLORES CUAUTLE, JOSE DE JESUS AGUSTIN; SUASTE GOMEZ, ERNESTO; GONZALEZ MORAN, CARLOS OMAR; Gutierrez Nuñez, Miguel Angel (Pädi, 2020-12-12)
    En esta investigación se estudia el efecto de la incorporación de partículas metálicas de cobre (Cu) <75μm y plata (Ag) <100nm, ambas de forma esférica de la marca ALDRICH, en la matriz del cerámico de titanito de bario ...
  • Ceramic Matrix Composites Reinforced with Metal Nanoparticles 
    Refugio García, María Elizabeth; Osorio Ramos, Jessica J.; ROCHA RANGEL, ENRIQUE; PEREZ DE LA FUENTE, AZUCENA; MIRANDA HERNANDEZ, JOSE GUADALUPE (WULFENIA JOURNAL, 2015-06-01)
    This project describes the formation of Al2O3-Ag or Al2O3-Ti nanocomposites via high-energy planetary milling combined with pressureless sintering. From the main results, it was found that after milling, the powder was ...
  • Design, construction and study of the efficiency of green panels with a monitoring system for physical variables 
    González Woge, Oscar; GONZALEZ MORAN, CARLOS OMAR; BALTAZAR ESCALONA, JUAN CARLOS; Gaviño Ortiz, Gabriela; Herrera Hernández, Héctor (REVISTA INVESTIGACION OPERACIONAL, 2019-02-11)
    The present work had some challenges such as to design and then construct an electronic system for monitoring the values of a select group of physical variables in a prototype of a green panel, the selected variables were ...
  • Effect of Silver Nanoparticles in the Mechanical Properties of Mullite/Ag Cermets 
    MIRANDA HERNANDEZ, JOSE GUADALUPE; OLEA MEJIA, OSCAR FERNANDO; Terrés Rojas, Eduardo; LEMUS RUIZ, JOSE (Science of Sintering, 2019-05-01)
    The objective of this work was to study the influence of the addition of silver nanoparticles in the microstructure of mullite at two different temperatures of sintering (1500 and 1600 °C), in order to decrease the porosity ...
  • Electrochemical Impedance Spectroscopy (EIS): A Review Study of Basic Aspects of the Corrosion Mechanism Applied to Steels 
    Herrera Hernández, Héctor; RUIZ REYNOSO, ADRIANA MERCEDES; GONZALEZ MORAN, CARLOS OMAR; MIRANDA HERNANDEZ, JOSE GUADALUPE; MANDUJANO RUIZ, ARACELI; MORALES HERNANDEZ, JORGE; OROZCO CRUZ, RICARDO; Trinidad González , Juan Carlos (IntechOpen, 2020)
    AC impedance measurements have been applied for over twenty years in electrochemistry and physics to investigate the electrical properties of conductive materials and their interfaces using an external electrical impulse ...
  • Electrochemical Noise Analysis of Corrosion Behavior of Stainless Steel 304 Exposed in NaCl and FeCl3 solutions 
    MANDUJANO RUIZ, ARACELI; MORALES HERNANDEZ, JORGE; CASTAÑEDA ZALDIVAR, FEDERICO; Herrera Hernández, Héctor (International Journal of ELECTROCHEMICAL SCIENCE, 2017-12-17)
    Electrical parameters such as charge of the event (q), characteristic frequency (fn) and impedance (Zn) obtained from shot-noise theory have been proposed as indicators of the initiation of pitting corrosion, and have ...
  • Estimation of Metal Loss by Corrosion Process in Heat Exchangers Applied to Hydrotreating Systems 
    VELAZQUEZ ALTAMIRANO, JULIO CESAR; Barenca Enríquez, Gilberto; HERNANDEZ SANCHEZ, ENRIQUE; CAPULA COLINDRES, SELENE IRAIS; HERNANDEZ SANCHEZ, JAIME; Herrera Hernández, Héctor (International Journal of Electrochemical Science, 2015-08-29)
    It is well known that among of all the components of hydrotreating systems used in the industrial processes, the heat exchangers that pre-heat the reactor suffer the greatest degree of degradation by pitting corrosion due ...
  • Exfoliated graphite preparation based on an eco-friendly mechanochemical route 
    MENDOZA DUARTE, JOSE MANUEL; ROBLES HERNANDEZ, FRANCISCO CARLOS; GOMEZ ESPARZA, CYNTHIA DEISY; MIRANDA HERNANDEZ, JOSE GUADALUPE; Garay Reyes, Carlos Gamaliel; Estrada Guel, Ivanovich; MARTINEZ SANCHEZ, ROBERTO (Journal of Environmental Chemical Engineering, 2020-10)
    In the present study, we proposed an eco-friendly method to produce exfoliated graphite based on a dry mechanochemical process. This route represents an alternative that avoids the use and disposal problems related to ...
  • Forming Mullite-Ceramics Reinforced With ZrO2-t Starting From Mullite-ZrO2-t and Kyanite-Al2O3-ZrO2-t Mixtures 
    Refugio García, María Elizabeth; Osorio Ramos, Jessica J.; MIRANDA HERNANDEZ, JOSE GUADALUPE; RODRIGUEZ GARCIA, JOSE AMPARO; ROCHA RANGEL, ENRIQUE (2013-07-01)
    Mullite-ceramics reinforced with 8 and 10 vol. % YZT were prepared starting from two different powder mixtures. The first one was a mixture of pure mullite and YZT, and the other was a mixture of kyanite, alumina and YZT. ...
  • Fracture Toughness Enhancement of Mullite-Ceramics Reinforced with Metals 
    Refugio García, María Elizabeth; MIRANDA HERNANDEZ, JOSE GUADALUPE; RODRIGUEZ GARCIA, JOSE AMPARO; ROCHA RANGEL, ENRIQUE (WILEY, 2014-10-01)
    With the idea to determine ways of tailoring mullite-ceramics (3Al2O3∙2SiO2) in order that one or more toughening mechanisms are activated in service, investigations about the production of mullite-based composites with ...
  • Gel de aloe-vera como potencial inhibidor de la corrosión del acero de refuerzo estructural 
    HERRERA HERNANDEZ, HECTOR; FRANCO TRONCO, MARA ISABEL; MIRANDA HERNANDEZ, JOSE GUADALUPE; HERNANDEZ SANCHEZ, ENRIQUE; ESPINOZA VAZQUEZ, ARACELI; Fajardo San Miguel, Gerardo de Jesús (Mg . Ca r l o s J. Ro j a s, 2015-07)
    En el presente trabajo se estudia electroquímicamente un GEL extracto de las hojas de ALOE VERA como un posible inhibidor de la corrosión del acero de refuerzo estructural del concreto. Los estudios de corrosión se llevaron ...
  • Improving Fracture Toughness of Mullite Ceramics Metal Reinforcements 
    Refugio García, María Elizabeth; Osorio Ramos, Jessica J.; MIRANDA HERNANDEZ, JOSE GUADALUPE; RODRIGUEZ GARCIA, JOSE AMPARO; ROCHA RANGEL, ENRIQUE (International Journal of Research in Engineering and Science (IJRES), 2014-11-01)
    Mullite/Metal composite ceramics were fabricated by the use of mechanical milling and pressureless sintering. Al2O3 + 10 vol.% of Co, Ni, or Ti were mixed and milled during 12 h at 300 rpm in a horizontal mill, then with ...
  • Improving Toughness of Alumina-Based Composites to Be Used As Bone Substitute 
    Refugio García, María Elizabeth; MIRANDA HERNANDEZ, JOSE GUADALUPE; ROCHA RANGEL, ENRIQUE; OLEA MEJIA, OSCAR FERNANDO (International Journal of Engineering Research and Development, 2016-10-01)
    In this study it is show the experimental results of alumina reinforced with titanium additions, forming a composite which by its components could be classified as a biomaterial. The experimental results indicate that ...
  • Low friction coefficient coatings Ni-Cr by magnetron sputtering, DC 
    MORALES HERNANDEZ, JORGE; MANDUJANO RUIZ, ARACELI; TORRES GONZALEZ, JULIETA; ESPINOZA BELTRAN, FRANCISCO JAVIER; HERRERA HERNANDEZ, HECTOR (Revista de Metalurgia, 2015-05-18)
    Magnetron Sputter Deposition technique with DC was used for the deposition of Ni-Cr coatings on AISI 316 SS like substrate. The cathode with a nominal composition Ni-22 at% Cr was prepared by Mechanical Alloying (MA) ...
  • Microdureza de la Superlación Nickelvac (n-90) Manufacturada por Pulvimetalúrgica 
    Refugio García, María Elizabeth; MIRANDA HERNANDEZ, JOSE GUADALUPE; Velázquez Barrón, Noe; RODRIGUEZ GARCIA, JOSE AMPARO; ROCHA RANGEL, ENRIQUE (2013-04-01)
    A través de la técnica de metalurgia de polvos se fabricó la aleación denominada comercialmente como nickelvac (N-90), que se trata de una superaleación hecha principalmente a base de níquel. La aleación fabricada fue ...
  • Physical, mechanical properties and antimicrobial analysis of a novel CaO·Al2O3 compound reinforced with Al or Ag particles 
    MIRANDA HERNANDEZ, JOSE GUADALUPE; GONZALEZ MORAN, CARLOS OMAR; ROCHA RANGEL, ENRIQUE; ORTEGA AVILES, MAYAHUEL; Gómez de Saravia, Sandra (Elsevier: Journal of the Mechanical Behavior of Biomedical Materials, 2019-05-29)
    Ceramic-metal (CaO·Al2O3–Al and CaO·Al2O3–Ag) compounds were prepared by mechanical milling and consolidated through an in-situ sintering process. The aim of this work is to study the effects of the Al and Ag particles to ...
  • Refractory Ceramics Synthesis by Solid-State Reaction Between CaCO3 (Mollusk Shell) And Al2O3 Powders 
    MIRANDA HERNANDEZ, JOSE GUADALUPE; ORTEGA AVILES, MAYAHUEL; Herrera Hernández, Héctor; GONZALEZ MORAN, CARLOS OMAR; GARCIA PACHECO, GEORGINA; ROCHA RANGEL, ENRIQUE (Ceramics-Silikáty, 2018-09-11)
    Calcium aluminate-based refractory ceramic was developed as an innovative refractory material, using garden snail (Helix aspersa) shells as a natural source of CaCO3. A 1:1 molar ratio mixture of CaC O3 from snail shells ...

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