<?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>1815-5944</journal-id>
<journal-title><![CDATA[Ingeniería Mecánica]]></journal-title>
<abbrev-journal-title><![CDATA[Ingeniería Mecánica]]></abbrev-journal-title>
<issn>1815-5944</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería Mecánica. Instituto Superior Politécnico "José Antonio Echeverría"]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59442024000100035</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación de componentes metalúrgicos de la aleación HK 40 en dientes de barrido luego del proceso de fundición]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination of metallurgical components of the HK 40 alloy in sweeping teeth after the casting process]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Columbié]]></surname>
<given-names><![CDATA[Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Torres]]></surname>
<given-names><![CDATA[Ledennis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-González]]></surname>
<given-names><![CDATA[Isnel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Moa Facultad de Metalurgia Electromecánica Departamento de Mecánica]]></institution>
<addr-line><![CDATA[Moa Holguín]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2024</year>
</pub-date>
<volume>27</volume>
<numero>1</numero>
<fpage>35</fpage>
<lpage>42</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59442024000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59442024000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59442024000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El trabajo tuvo como objetivo determinar los componentes metalúrgicos de la aleación HK 40 empleada en dientes de brazos de barrido luego del proceso de fundición. Fueron seleccionados nueve dientes, los cuales se cortaron en diferentes partes según la forma geométrica de los mismos, de ellos a tres se les realizó el comportamiento microestructural, el tamaño de granos, el por ciento de carburos, la dureza y la porosidad. Se determinó que, luego de la colada, presentan fases austenita, ferrita y carburos del tipo Cr23C6, pero con variaciones en el tamaño del grano con número de 3,5 y 5 respectivamente, asociado al proceso de solidificación. Por otro lado, a una temperatura de 715,55 ºC, correspondiente a la del sólido para los dientes, existen poros con cavidad de 26,57 µm, donde la presencia de los mismos es atribuible a la forma geométrica de la pieza. La dureza determinada mantiene la misma tendencia en cada uno, por lo que esta propiedad, aunque existen carburos de cromo, no debe provocar su rotura.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of the work was to determine the metallurgical components of the HK 40 alloy used in sweeping arm teeth after the casting process. Nine teeth were selected, which were cut into different parts according to their geometric shape, of which three had their microstructural behavior, grain size, percentage of carbides, hardness and porosity carried out. It was determined that, after casting, they present austenite, ferrite and carbide phases of the Cr23C6 type, but with variations in grain size with numbers of 3.5 and 5 respectively, associated with the solidification process. On the other hand, at a temperature of 715.55 ºC, corresponding to that of the solid for the teeth, there are pores with a cavity of 26.57 µm, where their presence is attributable to the geometric shape of the piece. The determined hardness maintains the same tendency in each one, so this property, although chromium carbides exist, should not cause them to break.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dientes rascadores]]></kwd>
<kwd lng="es"><![CDATA[porosidad]]></kwd>
<kwd lng="es"><![CDATA[refractario]]></kwd>
<kwd lng="es"><![CDATA[carburos eutécticos]]></kwd>
<kwd lng="es"><![CDATA[solidificación]]></kwd>
<kwd lng="en"><![CDATA[scraping teeth]]></kwd>
<kwd lng="en"><![CDATA[porosity]]></kwd>
<kwd lng="en"><![CDATA[refractory]]></kwd>
<kwd lng="en"><![CDATA[eutectic carbides]]></kwd>
<kwd lng="en"><![CDATA[solidification]]></kwd>
</kwd-group>
</article-meta>
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