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dc.contributor.author Gualco, Agustín
dc.contributor.author Svoboda, Hernán Gabriel
dc.contributor.author Surian, Estela Silvia
dc.date.available 2017-07-07T19:51:51Z
dc.date.issued 2015-11
dc.identifier.citation Gualco, Agustín; Svoboda, Hernán Gabriel; Surian, Estela Silvia; Effect of heat input in Fe-based nanostructured weld overlay; Taylor & Francis; Welding International; 29; 11; 11-2015; 847-855
dc.identifier.issn 0950-7116
dc.identifier.uri http://hdl.handle.net/11336/19897
dc.description.abstract In the last few years, several welding consumables have been developed that deposit hard iron-based nanostructured alloy coverings with high resistance to abrasive wear. The erosive and abrasive wear resistances are mainly controlled by the chemical composition and the microstructure. In turn, the microstructure of the deposited metal can show variations with the used welding procedure, particularly in relation to the heat input. The operating parameters that define the heat input (voltage, current and welding speed) affect aspects such as bead geometry (wide, penetration and reinforcement) and dilution with the base material. The purpose of this article is to study the effect of heat input on the geometric characteristics of the bead, the dilution and the microstructural evolution of a nanostructured iron-based alloy deposited by FCAW. Several samples with heat input between 0.5 and 3.5 kJ/mm were welded. A dimensional study was carried out for each welded coupon, the chemical composition was analysed and the microstructure was characterized using optical and electronic scanning microscopy and X-ray diffraction. Microhardness, crystallite size and degree of dilution were also measured. Great influence in these conditions in the process was observed about the geometry of the bead. The dilution varied between 30% and 40%; microhardness of the deposit was found between 800 and 870 HV1, and the size of the crystallite varies between 105 and 130 nm, depending on process variables used. The highest hardnesses and the lowest crystallite sizes were obtained with the lowest heat input, associated with a lower dilution.
dc.format application/pdf
dc.language.iso eng
dc.publisher Taylor & Francis
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject Hardfacing
dc.subject Welding
dc.subject Nanomaterials
dc.subject Heat input
dc.subject Hard covering
dc.subject Microstructure
dc.subject.classification Ingeniería de los Materiales
dc.subject.classification Ingeniería de los Materiales
dc.subject.classification INGENIERÍAS Y TECNOLOGÍAS
dc.title Effect of heat input in Fe-based nanostructured weld overlay
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2017-07-06T18:33:11Z
dc.identifier.eissn 1754-2138
dc.journal.volume 29
dc.journal.number 11
dc.journal.pagination 847-855
dc.journal.pais Reino Unido
dc.journal.ciudad Londres
dc.description.fil Fil: Gualco, Agustín. Universidad Nacional de Lomas de Zamora. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil Fil: Svoboda, Hernán Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long". Universidad de Buenos Aires. Facultad de Ingeniería. Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long"; Argentina. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Construcciones y Estructuras. Laboratorio de Materiales y Estructuras; Argentina
dc.description.fil Fil: Surian, Estela Silvia. Universidad Nacional de Lomas de Zamora. Facultad de Ingeniería; Argentina. Universidad Tecnológica Nacional. Facultad Regional San Nicolás. Centro para el Desarrollo Tecnológico de Materiales; Argentina
dc.journal.title Welding International
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.1080/09507116.2014.932992
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/09507116.2014.932992


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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)