Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Isnel Rodríguez-González"'
Autor:
João Afonso-Chipepe, Tomás Fernández-Columbié, Isnel Rodríguez-González, Efraín Guzmán-Romero
Publikováno v:
Ciencia & Futuro, Vol 11, Iss 4 (2021)
Se determinó el fenómeno de agrietamiento que se origina en un acero inoxidable refractario del tipo HK-40 empleado en la fabricación de un eslabón de cadena, defecto que se genera al ser expuesto al ciclo térmico de soldadura con electrodo UTP
Externí odkaz:
https://doaj.org/article/630504ec6c874654a85b923c5a739382
Publikováno v:
Minería y Geología, Vol 35, Iss 3, Pp 327-337 (2019)
This article exposes the effect bubbles implosion causes on buckets on the liquor from carbonate-ammonia leaching (mixture of water, ammonia and particles in suspension) of ferronickel lateritic ores. Based on the previous results that establish a re
Externí odkaz:
https://doaj.org/article/4c2a4b3208dc461b8a02761ad031d4ee
Autor:
Tomás Hernaldo Fernández-Columbié, Isnel Rodríguez-González, Miguel Ángel Cobas-Suárez, Maite Aldana-Cruz, Marcos Medina-Arce
Publikováno v:
Minería y Geología, Vol 35, Iss 2, Pp 220-232 (2019)
Las aleaciones de níquel-cromo-molibdeno fundamentalmente se usan en la fabricación de componentes para el sector aeronáutico y la industria petroquímica. Este artículo se enfocó en determinar el comportamiento microestructural de una aleación
Externí odkaz:
https://doaj.org/article/5543fdbcce2f4c56926f358e0618c523
Autor:
Michel Rodríguez-Ismar, Isnel Rodríguez-González, Raúl Izquierdo-Pupo, Hugo Javier Angulo-Palma
Publikováno v:
Minería y Geología, Vol 35, Iss 1, Pp 113-125 (2019)
In order to evaluate the influence exerted by concentration of solids and the fluid velocity on the pressure drop when this type of pulp is transported in a straight section of horizontal pipe the performance of lateritic pulps was studied with 41% a
Externí odkaz:
https://doaj.org/article/e3612a57da4d4abcb52282cb90a1c835
Autor:
Yoel Aguirre-Breffe, Tomás Fernández-Columbié, Isnel Rodríguez-González, Ramón Castillo-Matos, Carlos Izaguirre-Bonilla
Publikováno v:
Minería y Geología, Vol 35, Iss 1, Pp 100-112 (2019)
Se realizó la caracterización microestructural de las transformaciones que ocurren en el hierro gris FG 24 sometido a tratamiento térmico. Seis muestras de la aleación fueron recocidas durante tiempos distintos (2 h y 3 h), a una misma temperatur
Externí odkaz:
https://doaj.org/article/0845234dade04898917318f583e1c05f
Publikováno v:
Minería y Geología, Vol 34, Iss 4, Pp 494-503 (2018)
The solidification performance of a manganese steel (SAE 1551) obtained by casting was studied, by using the finite elements method (FEM) for the simulation; a pouring temperature was considered in a range from 1 445 to 1 550 C°. We took into accoun
Externí odkaz:
https://doaj.org/article/75448b6f760f4dff9fac80120d7f1ee7
Autor:
Yoennis Batista-Suárez, Tomás H. Fernández-Columbié, Isnel Rodríguez-González, Sadis Leyva-Legrá
Publikováno v:
Minería y Geología, Vol 34, Iss 4, Pp 467-480 (2018)
The welded joint obtained with two electrodes (E 316 L-16 and UTP 65) was experimented in a nodular cast iron in order to establish the phase transformations that arise in the different zones. Samples were prepared with 12 mm of thickness and V shape
Externí odkaz:
https://doaj.org/article/a708c2e7bc0341468ed316f862711e91
Autor:
Dennis Reyes-Carcasés, Tomás H. Fernández-Columbié, Dayanis Alcántara-Borges, Isnel Rodríguez-González
Publikováno v:
Minería y Geología, Vol 34, Iss 1, Pp 108-121 (2018)
The welding of steel of low carbon content is a common practice in the nickel industry, where components with steels of these characteristics are manufactured. The objective of the paper was to establish the microstructural behavior of the AISI 1025
Externí odkaz:
https://doaj.org/article/2cc86773187e40429da96fbe57824aa2
Publikováno v:
Minería y Geología, Vol 33, Iss 4, Pp 486-497 (2017)
The present article deals with the wear of the balls used for the grinding of the clinker in the processes of obtaining cement. Three specimens of different steel were made: one of steel AISI 4140, with which balls are forged for the milling process;
Externí odkaz:
https://doaj.org/article/30d521c97bad4153a356bb34f66cb0db
Autor:
Elís Efraín Guzmán-Romero, Tomás Hernaldo Fernández Columbié, Dayanis Alcántara-Borges, Isnel Rodríguez-González
Publikováno v:
Minería y Geología, Vol 33, Iss 3, Pp 312-325 (2017)
The objective of this investigation is to determine the relation between the transformations of phases occurring during the rotational friction welding of AA 5754 12-mm-diameter aluminum alloys. The process was carried out using a 16 K 20 lathe based
Externí odkaz:
https://doaj.org/article/d6bb9cd24b154d12ad6c4b6150efdfa2