<?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>S2223-48612022000300048</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ESTUDIO SOBRE LA APLICABILIDAD DE ELECTRODOS DE FABRICACIÓN NACIONAL EN LA INDUSTRIA AZUCARERA]]></article-title>
<article-title xml:lang="en"><![CDATA[STUDY ON THE APPLICABILITY OF NACIONAL MANUFACTURED ELECTRODES IN THE SUGAR INDUSTRY]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Negrín Hernández]]></surname>
<given-names><![CDATA[Luis Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<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[Valdés Pimienta]]></surname>
<given-names><![CDATA[Christian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Ruiz]]></surname>
<given-names><![CDATA[Eduardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas Olivier]]></surname>
<given-names><![CDATA[Nelson]]></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 Departamento Ingeniería Mecánica]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ibagué Programa de Ingeniería Mecánica ]]></institution>
<addr-line><![CDATA[Ambalá Ibagué]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Federal do Vale do Sao Francisco Campus de Engenheira ]]></institution>
<addr-line><![CDATA[Santo Antõnio Juazeiro]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>3</numero>
<fpage>48</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000300048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000300048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000300048&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La recuperación de piezas por soldadura juega un papel fundamental en la industria azucarera. En este trabajo se realiza un estudio comparativo de dos electrodos desarrollados en nuestro país con vistas a indagar sobre su posible utilización en los procesos de reparación que se desarrollan en los centrales azucareros.  Objetivo: Realizar la comparación entre los electrodos con composición Fe-Si-V-C y Fe-Cr-Mn-C, concebidos en Cuba, y el UTP 620 que se utiliza, entre otras aplicaciones, para la recuperación de los dientes de las coronas de los molinos azucareros.  Materiales y métodos: Para el cotejo se prepararon probetas con la deposición de los tres electrodos en iguales condiciones, es decir, mismo material base e iguales amperajes, polaridad y corriente. Se prepararon las probetas a partir del corte transversal de los cordones, se realizó el análisis métalográfico y se midió la dureza en diferentes partes del cordón.  Resultados y discusión: Al comparar los resultados se pudo apreciar que las tres deposiciones tienen una estructura metalográfica diferente, y diferentes durezas. El electrodo con el sistema de aleación Fe-Cr-Mn-C garantiza una dureza en el orden de 326 HB. El electrodo con el sistema de aleación Fe-Si-V-C, garantiza una dureza en el cordón de 534 HB. El electrodo utilizado actualmente, el UTP 620, garantiza una dureza en la primera pasada de 610 HB.  Conclusiones: Se considera que el electrodo Fe-Si-V-C tiene buenas perspectivas para su uso en esta aplicación, pues la dureza obtenida está por encima del límite establecido para la coronas de molinos azucareros.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: The recovery of parts by welding plays a fundamental role in the sugar industry. In the present work, a comparative study of two electrodes developed in our country is carried out in order to investigate their possible use in the repair processes developed in sugar mills.  Objective: To carry out the comparison between the electrodes with Fe-Si-VC and Fe-Cr-Mn-C composition, conceived in Cuba, and the UTP 620 that is used, among other applications, for the recovery of sugar mill crown teeth.  Materials and methods: For the comparison, test tubes were prepared with the deposition of the three electrodes under the same conditions, that is, the same base material and the same amperage, polarity and type of current. The specimens were prepared from the cross section of the cords, the metallographic analysis was carried out and the hardness in different parts of the cord was measured.  Results and Discussion: Comparing the results, it was possible to appreciate that the three deposits have a different metallographic structure, as well as different hardnesses. The electrode with the Fe-Cr-Mn-C alloy system guarantees a hardness in the order of 326 HB. The electrode with the Fe-Si-V-C alloy system guarantees a bead hardness of 534 HB. The electrode currently used, the UTP 620, guarantees a hardness in the first pass of 610 HB.  Conclusions: It is considered that the Fe-Si-V-C electrode has good prospects for its use in this application, since the hardness obtained is above the limit established for sugar mill crowns.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Electrodos tubulares]]></kwd>
<kwd lng="es"><![CDATA[recuperación de piezas]]></kwd>
<kwd lng="en"><![CDATA[Tubular electrodes]]></kwd>
<kwd lng="en"><![CDATA[part recovery]]></kwd>
</kwd-group>
</article-meta>
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