Exploració per autor "Llanes Pitarch, Luis Miguel"
Ara es mostren els items 21-40 de 93
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Efecto de la microestructura en la nucleación y propagación de fisuras en aceros de herramienta de trabajo en frío
Picas Anfruns, Ingrid; Cuadrado Lafoz, Núria; Casellas Padró, Daniel; Goez, Alexey; Llanes Pitarch, Luis Miguel (2011)
Text en actes de congrés
Accés obert -
Effect of carbides properties and microstructural characteristics on crack nucleation and propagation in cold forming tools
Casellas Padró, Daniel; Picas Anfruns, Ingrid; Castella López, Elena; Goez, Alexey; Llanes Pitarch, Luis Miguel; Casas Aguirregomezcorta, Begoña; Valls, I. (2009)
Text en actes de congrés
Accés restringit per política de l'editorial -
Effect of crystal anisotropy on the mechanical properties of WC embedded in WC-Co cemented carbides
Cuadrado, Núria; Casellas Padró, Daniel; Llanes Pitarch, Luis Miguel; Gonzalez, Iban; Caro, Jaume (2011)
Text en actes de congrés
Accés obert -
Enhanced contact fatigue behavior of coated tool steels by using PM substrates
Ramírez, Giselle; Goez, Alexey; Casas Aguirregomezcorta, Begoña; Valls, I.; Martinez, R.; Llanes Pitarch, Luis Miguel (2009)
Text en actes de congrés
Accés restringit per política de l'editorial -
Enhanced hydrothermal resistance of Y-TZP ceramics through colloidal processing
Rayón Encinas, Emilio; Moreno, R.; Alcázar, C.; Salvador Moya, Maria Dolores; Manjon Herrera, Francisco Javier; Jiménez Piqué, Emilio; Llanes Pitarch, Luis Miguel (2013-02-28)
Article
Accés restringit per política de l'editorialTwo commercial zirconia powders with 3 mol% of yttria (TZ3YE and TZ3YS, labeled as ZE and ZS, respectively) sup- plied by Tosoh (Japan) were used for this study. Maximum colloidal stability for ZE was achieved by ... -
Fatiga isotérmica de aceros para herramientas de trabajo en caliente
Mateo García, Antonio Manuel; Llanes Pitarch, Luis Miguel; Casas, B.; Mir, J.; Molas, S. (2011-06-20)
Article
Accés obertEl trabajo reportado en este artículo forma parte de un proyecto de investigación en el cual se tratan de desarrollar aceros de herramientas para conformado en caliente con prestaciones optimizadas. Para ello se comenzó ... -
Fatiga isotérmica de aceros para herramientas de trabajo en caliente
Mateo García, Antonio Manuel; Casas, B.; Mir Carbonell, Jordi; Molas, S.; Llanes Pitarch, Luis Miguel (2010)
Text en actes de congrés
Accés restringit per política de l'editorialEl trabajo reportado en este artículo forma parte de un proyecto de investigación en el cual se tratan de desarrollar aceros de herramientas para conformado en caliente con prestaciones optimizadas. Para ello se comenzó ... -
Fatigue behavior of a WC-Ni cemented carbide
Tarragó Cifre, Jose María; Ferrari, Claudio; Reig, Blanca; Coureaux Mustelier, David; Schneider, Ludwig; Llanes Pitarch, Luis Miguel (2013)
Comunicació de congrés
Accés restringit per política de l'editorialNickel is one of the materials most commonly used as a binder alternative to cobalt in cemented carbides. However, knowledge on mechanical properties and particularly on fatigue response of nickel-base cemented carbides ... -
Fatigue crack growth behavior of WC-Co and WC-CoNi cemented carbides
Tarragó Cifre, Jose María; Roa Rovira, Joan Josep; Valle, Vladimir; Jessica, Marshall; Mateo García, Antonio Manuel; Llanes Pitarch, Luis Miguel (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
Text en actes de congrés
Accés obertEn este trabajo se investigó el crecimiento de grietas por fatiga para diversas calidades de metal duro en función de la microestructura y el cociente de carga aplicada (R). De esta forma, se evaluó la influencia de la ... -
Fatigue performance improvement of electrical discharge machined hardmetals by means of combined thermal annealing and surface modification routes
Llanes Pitarch, Luis Miguel; Casas Aguirregomezcorta, Begoña; Salán Ballesteros, Maria Núria; Mestra Rodríguez, Álvaro Miguel; Torres Hernández, Yadir (2013-01)
Article
Accés restringit per política de l'editorialElectrical discharge machining (EDM) provides an effective means of shaping hardmetals. However, it is also known that surface integrity of these materials may be affected by EDM, degrading their tribomechanical characteristics. ... -
Fatigue strength of cold-work tool steels: microstructure – critical flaw correlation
Goez, Alexey; Picas Anfruns, Ingrid; Valls, I.; Casas, B.; Casellas Padró, Daniel; Llanes Pitarch, Luis Miguel (2009)
Comunicació de congrés
Accés restringit per política de l'editorial -
Fatigue susceptibility under contact loading of hardmetals coated with ceramic films
Llanes Pitarch, Luis Miguel; Tarrés, E.; Ramírez, Giselle; Botero Vega, Carlos Alberto; Jiménez Piqué, Emilio (2010-04)
Article
Accés restringit per política de l'editorialThe contact fatigue behavior of a fine-grained hardmetal coated with two distinct ceramic films, either a TiN monolayer or a WC/C multilayer, is studied by means of indentation testing techniques. Spherical indentation ... -
Fatigue testing and properties of hardmetals in the gigacycle range
Kotas, Agnieszka Betzwar; Danninger, Herbert; Weiss, Brigitte; Mingard, K.P.; Sánchez, José; Llanes Pitarch, Luis Miguel (2017-01-01)
Article
Accés obertHardmetal products are frequently fatigue loaded in service, such as e.g. cutting tools for milling or percussion drills. In the present work, the fatigue behaviour of hardmetals was investigated into the gigacycle range ... -
FIB/FESEM experimental and analytical assessment of R-curve behavior of WC-Co cemented carbides
Tarragó Cifre, Jose María; Jiménez Piqué, Emilio; Schneider, Ludwig; Casellas Padró, Daniel; Torres, Y.; Llanes Pitarch, Luis Miguel (2015-10-01)
Article
Accés obertExceptional fracture toughness levels exhibited by WC-Co cemented carbides (hardmetals) are due mainly to toughening derived from plastic stretching of crack-bridging ductile enclaves. This takes place due to the development ... -
Fractura de materiales
Alcalá Cabrelles, Jorge; Llanes Pitarch, Luis Miguel; Mateo García, Antonio Manuel; Salán Ballesteros, Maria Núria (Edicions UPC, 2002)
Llibre
Accés restringit a la comunitat UPCTodos los componentes de aplicación en ingeniería están sometidos, en mayor o menor grado, a procesos de fatiga y fractura. La fractura de los materiales es un fenómeno que comenzó a cobrar importancia a partir de la ... -
Fracture and fatigue behavior of a WC-Ni cemented carbide
Tarragó Cifre, Jose María; Ferrari, Claudio; Reig, Blanca; Coureaux Mustelier, David; Schneider, Ludwig; Llanes Pitarch, Luis Miguel (2013)
Text en actes de congrés
Accés restringit per política de l'editorialNowadays, one of the main research areas in cemented carbides is focused on the replacement of cobalt as a binder for more economical materials with similar or improved properties. Nickel is one of the materials most ... -
Fracture and fatigue behavior of cement carbides:3D focused ion beam tomography of crack-microstructure interactions
Tarragó Cifre, Jose María; Jiménez Piqué, Emilio; Turón Viñas, Miquel; Rivero, Lorenzo; Al-Dawery, Ihsan; Schneider, Ludwig; Llanes Pitarch, Luis Miguel (2014-09-01)
Article
Accés obertThe fracture and fatigue phenomena in WC-cobalt cemented carbides (hard-metals) have been subjects extensively investigated in the last 30 years. From these studies, it is well established that the metallic binder phase ... -
Fracture and fatigue behavior of WC-Co and WC-CoNi cemented carbides
Tarragó Cifre, Jose María; Roa Rovira, Joan Josep; Valle, Vladimir; Marsahll, J. M.; Llanes Pitarch, Luis Miguel (2015-03-01)
Article
Accés obertThe fracture and fatigue characteristics of several cemented carbide grades are investigated as a function of their microstructure. In doing so, the influence of binder chemical nature and content (Co and 76 wt.% Co-24 ... -
Fracture and fatigue of rock bit cemented carbides: Mechanics and mechanisms of crack growth resistance under monotonic and cyclic loading
Torres, Y.; Tarragó Cifre, Jose María; Coureaux Mustelier, David; Tarrés, E.; Roebuck, C.; Chan, P.; James, M.; Liang, B.; Tillman, M.; Viswanadham, R.K.; Mingard, K.P.; Mestra Rodríguez, Álvaro Miguel; Llanes Pitarch, Luis Miguel (2014-07-01)
Article
Accés restringit per política de l'editorialIn an attempt to improve the material selection, design and reliability of rock bit WC-Co cemented carbides (hardmetals), an extensive and detailed study is conducted with the main goal of characterizing the fracture and ... -
Fracture toughness of cemented carbides: Testing method and microstructural effects
Sheikh, Saad; M'Saoubi, Rachid; Flasar, Petr; Schwind, Martin; Persson, Tomas; Yang, Jing; Llanes Pitarch, Luis Miguel (2015-03-01)
Article
Accés obertFracture toughness is one the most important parameters for design applications and performance assessment of WC-Co cemented carbides (hardmetals). Different from hardness, fracture toughness is commonly a property more ...