<?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>1405-7743</journal-id>
<journal-title><![CDATA[Ingeniería, investigación y tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. invest. y tecnol.]]></abbrev-journal-title>
<issn>1405-7743</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-77432016000100001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización morfológica de los recubrimientos 140MXC-530AS y 140MXC-560AS usando la técnica de proyección térmica por arco eléctrico]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphological Characterization of Coatings 140MXC-530AS and 140MXC-560AS Using the Electric Wire Arc-Spraying Process]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Molano]]></surname>
<given-names><![CDATA[Héctor Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olaya-Flórez]]></surname>
<given-names><![CDATA[Jhon Jairo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-González]]></surname>
<given-names><![CDATA[Cesar Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Libre Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Libre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>17</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-77432016000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-77432016000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-77432016000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En este estudio se produjeron los recubrimientos 140MXC-530AS y 140MXC560AS, cuyas características corresponden a materiales nanoestructurados (140MXC) y materiales convencionales como aceros al carbono (530AS) e inoxidables (560AS), aplicados sobre un sustrato AISI-SAE 4340, por medio de la técnica de aspersión térmica por arco eléctrico, teniendo en cuenta los parámetros de depósito tales como corriente (I), voltaje (V), presión de aire primaria (AP) y presión de aire secundaria (AS), empleando un diseño Taguchi fraccional-factorial L9(34-2). La caracterización de los depósitos se realizó mediante las técnicas de fluorescencia de Rayos X (XRF), microscopia óptica convencional (COM), microscopia electrónica de barrido (SEM), microscopía de fuerza atómica (AFM) y microdureza. Los resultados de esta caracterización se analizaron en función del espesor, microdureza, tamaño de partículas semifundidas y rugosidad del recubrimiento obtenido.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In this study were produced the 140MXC-530AS and 560AS 140MXC-coatings, whose characteristics correspond to nanostructured materials (140MXC) and conventional materials such as carbon steel (530AS) and stainless steel (560AS). This coatings were applied on a substrate of AISI-SAE 4340, through the technique of electric wire arc spraying, considering the deposition parameters such as current (I), voltage (V), primary air pressure (AP) and secondary pressure air (AS) using a fractional-factorial design L9(34-2) of Taguchi. The characterization of the mixtures were performed by the techniques of X-ray fluorescence (XRF), conventional optical microscopy (COM), scanning electron microscopy (SEM), atomic force microscopy (AFM) and microhardness. These results was analyzed in terms of the thickness, microhardness, and particle size of semi-molten coating obtained roughness.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aspersión térmica]]></kwd>
<kwd lng="es"><![CDATA[caracterización]]></kwd>
<kwd lng="es"><![CDATA[diseño Taguchi]]></kwd>
<kwd lng="es"><![CDATA[recubrimientos]]></kwd>
<kwd lng="en"><![CDATA[characterization]]></kwd>
<kwd lng="en"><![CDATA[coatings]]></kwd>
<kwd lng="en"><![CDATA[thermal spraying]]></kwd>
<kwd lng="en"><![CDATA[Taguchi design]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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