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dc.contributor.author
Prieto, Germán  
dc.contributor.author
Perez Ipiña, Juan Elias  
dc.contributor.author
Tuckart, Walter Roberto  
dc.date.available
2017-08-02T19:21:03Z  
dc.date.issued
2014-05  
dc.identifier.citation
Prieto, Germán; Perez Ipiña, Juan Elias; Tuckart, Walter Roberto; Cryogenic treatments on AISI 420 stainless steel: Microstructure and mechanical properties.; Elsevier Science; Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing; 605; 5-2014; 236-243  
dc.identifier.issn
0921-5093  
dc.identifier.uri
http://hdl.handle.net/11336/21761  
dc.description.abstract
Cryogenic treatments have been employed over the last three decades in both tool and high-alloy steels to improve wear resistance, mainly through the transformation of retained austenite and the precipitation of fine carbides. The application of these treatments to low-alloy steels and even to non-ferrous materials is becoming the subject of several investigations, due to their potentiality to reduce wear. This study was aimed at analyzing the microstructural changes and the effect of cryogenic treatments on hardness and impact toughness in martensitic AISI 420 stainless steel. X-ray diffraction (XRD) was employed for phase analysis and characterization, while carbide volume fraction, size and composition evaluation was measured by using scanning electron microscopy (SEM-EDX) and Energy Dispersive Spectrometry (EDS). Hardness was assessed with Vickers technique and the impact toughness was measured by means of Charpy׳s V-notch tests. Fracture surfaces were analyzed by scanning electron microscopy to evaluate the fracture micromechanisms. In this study, it has been experimentally demonstrated that cryogenic treatments favors the precipitation of small carbides, which also present a more homogeneous size distribution. It was observed that this microstructural feature is responsible for the improvement in the mechanical properties of the material.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier Science  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Carbide Precipitation  
dc.subject
Hardness  
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Impact Toughness  
dc.subject
Xrd  
dc.title
Cryogenic treatments on AISI 420 stainless steel: Microstructure and mechanical properties.  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-08-01T13:57:47Z  
dc.journal.volume
605  
dc.journal.pagination
236-243  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Ámsterdam  
dc.description.fil
Fil: Prieto, Germán. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Sur; Argentina  
dc.description.fil
Fil: Perez Ipiña, Juan Elias. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Comahue. Facultad de Ingeniería. Grupo de Mecánica de Fractura; Argentina  
dc.description.fil
Fil: Tuckart, Walter Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Sur; Argentina  
dc.journal.title
Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0921509314003414  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.msea.2014.03.059