<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2223-4861</journal-id>
<journal-title><![CDATA[Centro Azúcar]]></journal-title>
<abbrev-journal-title><![CDATA[cen. az.]]></abbrev-journal-title>
<issn>2223-4861</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2223-48612023000400038</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[APLICACIÓN DE UN REVESTIMIENTO PERIFÉRICO A ELECTRODOS AWS E FeCr-A8 PARA MEJORAR LA RESISTENCIA AL DESGASTE ABRASIVO]]></article-title>
<article-title xml:lang="en"><![CDATA[APPLYING A PERIPHERAL COATING TO AWS E FeCr-8 ELECTRODES TO IMPROVE THE RESISTANCE TO ABRASIVE WEAR]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Pérez]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfonso López]]></surname>
<given-names><![CDATA[Ismeli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Fuentes]]></surname>
<given-names><![CDATA[Alfonso Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Crespo]]></surname>
<given-names><![CDATA[Amado]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perdomo González]]></surname>
<given-names><![CDATA[Lorenzo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Ingeniería Mecánica e Industrial Centro de Investigaciones de Soldadura]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Unidad Morelia Instituto de Investigaciones en Materiales]]></institution>
<addr-line><![CDATA[ Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>50</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612023000400038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612023000400038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612023000400038&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Las fundiciones blancas con alto contenido de Cr del tipo hipoeutécticas, son una de las más utilizadas en el recargue para reducir el desgaste por abrasión, en piezas utilizadas en el procesamiento de minerales, y en la agroindustria azucarera.  Objetivo: Aumentar la resistencia al desgaste abrasivo de la aleación hipoeutéctica que se deposita con el electrodo AWS E FeCr- A8.  Materiales y métodos: Se prepararon probetas para la caracterización del metal depositado con el electrodo original (EO) y el modificado (EM) mediante la dureza, metalografía óptica (MO), y análisis de la composición química, utilizando microscopía electrónica de barrido (SEM). Con el empleo del ensayo propuesto por la norma ASTM G65, (2017) se determinó la resistencia al desgaste abrasivo.  Resultados y discusión: La dureza en el metal depositado con el electrodo original es de 560 HV, mientras que la dureza del depósito con el electrodo modificado alcanza 750 HV, lo cual se debe a que la morfología de la austenita y de la zona eutéctica es diferente para ambos depósitos. El ensayo al desgaste abrasivo para el depósito obtenido con el electrodo modificado mostró una pérdida de volumen de 0,0531 mm3, inferior a la manifestada por el depósito realizado con el electrodo original (0,0669 mm3).  Conclusiones: Al aplicar un revestimiento periférico al electrodo AWS FeCr-A8, aumenta la fracción volumétrica de los carburos en la zona eutéctica de la microestructura del depósito, incrementándose la resistencia al desgaste abrasivo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: White castings with a high Cr content of the hypoeutectic type are one of the most used in hardfacing to reduce wear by abrasion, in parts used in mineral processing, and in the sugar industry.  Objective: To know the effect of a peripheral coating with a high C content, applied to a commercial AWS E FeCr-A8 electrode, on the microstructure of the deposited metal, as well as the behavior of resistance to abrasive wear.  Materials and methods: Specimens were prepared for the characterization of the metal deposited with the original electrode (EO) and the modified one (EM) by means of hardness, optical metallography (OM), and analysis of the chemical composition using scanning electron microscopy (SEM). Using the test proposed by the ASTM G65, (2017) standard the resistance to abrasive wear was determined.  Results and Discussion: The hardness of the metal deposited with the original electrode is 560 HV, while the hardness reached with the modified electrode reaches 750 HV, which is due to the fact that the morphology of the austenite and the eutectic zone is different for both deposits. The test of resistance to abrasive wear for the deposit obtained with the modified electrode showed a volume loss of 0.0531 mm3, lower than that manifested by the deposit made with the original electrode (0.0669 mm3).  Conclusions: By applying a peripheral coating to the AWS FeCr-A8 electrode, the volumetric fraction of carbides in the eutectic zone of the deposit microstructure increases, improving the resistance to abrasive wear.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[desgaste]]></kwd>
<kwd lng="es"><![CDATA[electrodos]]></kwd>
<kwd lng="es"><![CDATA[recargue]]></kwd>
<kwd lng="en"><![CDATA[wear]]></kwd>
<kwd lng="en"><![CDATA[electrode]]></kwd>
<kwd lng="en"><![CDATA[surfacing]]></kwd>
</kwd-group>
</article-meta>
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