<?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>1870-249X</journal-id>
<journal-title><![CDATA[Journal of the Mexican Chemical Society]]></journal-title>
<abbrev-journal-title><![CDATA[J. Mex. Chem. Soc]]></abbrev-journal-title>
<issn>1870-249X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Química de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-249X2016000200067</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Microstructural Evolution of Rapid Solidified Al-Ni Alloys]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Villalobos]]></surname>
<given-names><![CDATA[Manuel Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[Ignacio Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suarez]]></surname>
<given-names><![CDATA[Miguel Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara Rodríguez]]></surname>
<given-names><![CDATA[Gabriel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Novelo Peralta]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Reyes]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Ismeli Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Verduzco Martínez]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Trujillo]]></surname>
<given-names><![CDATA[Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UNAM Instituto de Investigaciones en Materiales ]]></institution>
<addr-line><![CDATA[D.F. México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Unidad Morelia Instituto de Investigaciones en Materiales]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,UMSNH Instituto de Investigación en Metalurgia y Materiales ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Baja California Facultad de Ciencias Químicas e Ingeniería ]]></institution>
<addr-line><![CDATA[Tijuana Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>60</volume>
<numero>2</numero>
<fpage>67</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-249X2016000200067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-249X2016000200067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-249X2016000200067&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In this study, Al-Ni alloy ribbons in hypoeutectic, euctectic and hypereutectic compositions were obtained by melt spinning. The microstructural changes of the samples, from the as-cast to rapid solidification processes at different Cu wheel tangential velocities were characterized by X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The rapid solidification caused morphological transformation of the Al-Al3Ni microstructure from acicular in the as-cast condition to globular in the melt spun ribbons and the growth of the metastable Al9Ni2 intermetallic compound, which acted as reinforcing particles. Due to the increment of the Ni content and the presence of these intermetallic compounds, with size of ~5nm, distributed in the aluminum matrix, the hardness of the alloys significantly increased from the hypoeutectic (90 VHN) to the hypereutectic (205VHN) composition.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En este estudio, cintas de la aleación Al-Ni en las composiciones hipoeutéctica, eutéctica e hipereutéctica fueron obtenidas por la técnica de "melt spinning". Los cambios microestructurales, desde la colada hasta las cintas solidificadas rápidamente a distintas velocidades de solidificación, fueron caracterizados por difracción de Rayos X, microscopía electrónica de barrido y microscopia electrónica de transmisión. La solidificación rápida causó una transformación morfológica de la microestructura Al-Al3Ni acicular en la muestras de colada a una morfología globular en la cintas solidificadas rápidamente y el crecimiento del compuesto intermetálico metaestable Al9Ni2, el cual actuó como partícula reforzadora. Debido al incremento del contenido de Ni y la presencia de estos compuestos intermetálicos, con tamaño de ~5nm, distribuidos en la matriz de aluminio, la dureza de la aleaciones aumentó significativamente de la composición hipoeutéctica (90VHN) a la hipereutéctica (205VHN).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[aluminum alloys]]></kwd>
<kwd lng="en"><![CDATA[rapid solidification]]></kwd>
<kwd lng="en"><![CDATA[intermetallic compounds]]></kwd>
<kwd lng="en"><![CDATA[reinforcing particles]]></kwd>
<kwd lng="en"><![CDATA[hardness]]></kwd>
<kwd lng="es"><![CDATA[aleaciones de aluminio]]></kwd>
<kwd lng="es"><![CDATA[solidificación rápida]]></kwd>
<kwd lng="es"><![CDATA[compuestos intermetálicos]]></kwd>
<kwd lng="es"><![CDATA[partículas reforzadoras]]></kwd>
<kwd lng="es"><![CDATA[dureza]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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