<?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>0255-6952</journal-id>
<journal-title><![CDATA[Revista Latinoamericana de Metalurgia y Materiales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. LatinAm. Metal. Mater.]]></abbrev-journal-title>
<issn>0255-6952</issn>
<publisher>
<publisher-name><![CDATA[Universidad Simn Bolvar    ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0255-69522014000200011</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Wetting transitions on the submerged metal matrix composite surface]]></article-title>
<article-title xml:lang="es"><![CDATA[Transiciones en el mojado de la superficie de un material compuesto de matriz metálica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kianifard]]></surname>
<given-names><![CDATA[Reza]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Behckam]]></surname>
<given-names><![CDATA[Isar]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Islamic Azad University  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Iran</country>
</aff>
<aff id="A02">
<institution><![CDATA[,University of Science and Technology  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Iran</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2014</year>
</pub-date>
<volume>34</volume>
<numero>2</numero>
<fpage>282</fpage>
<lpage>288</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_arttext&amp;pid=S0255-69522014000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_abstract&amp;pid=S0255-69522014000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_pdf&amp;pid=S0255-69522014000200011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The wetting transition is studied for the oil droplets placed on the underwater surface of metal matrix composites. Oil penetration into the cavities between the asperities is accompanied by a change in the contact angle and may result in the Cassie-Wenzel transitions. Experimental data of contact angles of oil-air, water-air, and oil-water systems on the surface of aluminum-graphite composites are collected. The Wenzel-Cassie wetting transition is revealed by increasing the roughness for various aluminum-graphite samples. A theoretical model is proposed to verify the effect of surface topography and roughness on the wetting transitions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se estudia la transición en el mojado para gotas de aceite colocadas en una superficie sumergida bajo agua de un material compuesto de matriz metálica. La penetración del aceite en las cavidades que se forman entre las asperezas de la superficie se ve acompañada por un cambio en el ángulo de contacto y puede resultar en transiciones Cassie-Wenzel. Se recolectaron datos experimentales de ángulos de contacto en sistemas aceiteaire, agua-aire y aceite-agua sobre la superficie de un material compuesto de matriz metálica aluminio-grafito. La transición de mojado Wenzel-Cassie se revela al incrementar la rugosidad superficial de varias muestras del material compuesto aluminio-grafito. Se propone modelo teórico para verificar el efecto de la topografía superficial y la rugosidad en dichas transiciones de mojado.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Underwater Wetting Transitions]]></kwd>
<kwd lng="en"><![CDATA[Superhydrophobicity]]></kwd>
<kwd lng="en"><![CDATA[Oleophobicity]]></kwd>
<kwd lng="en"><![CDATA[Oleophilicity]]></kwd>
<kwd lng="es"><![CDATA[Transiciones de mojado bajo el agua]]></kwd>
<kwd lng="es"><![CDATA[superhidrofobicidad]]></kwd>
<kwd lng="es"><![CDATA[oleofobicidad]]></kwd>
<kwd lng="es"><![CDATA[oleofilicidad]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="Verdana">&nbsp; </font>     <P> <SPAN style="font-family:'Verdana'; font-weight:700; color:#000000" >WETTING TRANSITIONS ON THE SUBMERGED METAL MATRIX COMPOSITE SURFAC</SPAN ><font face="Verdana"><SPAN style="font-weight:700; color:#000000" >E </SPAN ></font></P>     <P> <SPAN style="font-family:'Verdana'; font-weight:normal; color:#000000" ><font size="2">Reza Kianifard</font><Sup><font size="2">1* </font> </Sup> <font size="2">and Isar Behckam</font><Sup><font size="2">2 </font> </Sup></SPAN ></P>     <P style="margin-bottom:0px"> <SPAN style="font-family:'Verdana'; font-size:9.9pt; font-weight:normal; color:#000000" >1: Mechanical engineering department, Islamic Azad University -Shoushtar, Shoushtar, Iran </SPAN ></P>     <P> <SPAN style="font-family:'Verdana'; font-size:9.9pt; font-weight:normal; color:#000000" >2: Material engineering department, Iran University of Science and Technology, Tehran, Iran </SPAN ></P>     <P style="margin-bottom:20px"> <SPAN style="font-family:'Verdana'; font-size:9.9pt; font-weight:normal; color:#000000" >*e-mail: r.kianifard@iau-shoushtar.ac.ir </SPAN ></P>     <p align="center"> <font face="Verdana"> <IMG style="display:block; float:none; text-align:center; margin-bottom:15px" src="/img/fbpe/rlmm/v34n2/art11_img_2.jpg"> </font> </p>     
<DIV class="Part" ><H4> <SPAN style="font-family:'Verdana'; font-size:12pt; font-weight:bold" >ABSTRACT </SPAN ></H4>     <P style="text-align:justify; line-height:17px"> <SPAN style="font-family:'Verdana'; font-size:11pt; font-weight:normal; color:#000000" >The wetting transition is studied for the oil droplets placed on the underwater surface of metal matrix composites. Oil penetration into the cavities between the asperities is accompanied by a change in the contact angle and may result in the Cassie-Wenzel transitions. Experimental data of contact angles of oil-air, water-air, and oil-water systems on the surface of aluminum-graphite composites are collected. The Wenzel-Cassie wetting transition is revealed by increasing the roughness for various aluminum-graphite samples. A theoretical model is proposed to verify the effect of surface topography and roughness on the wetting transitions. </SPAN ></P>     <P style="text-align:justify; margin-bottom:26px"> <SPAN style="font-family:'Verdana'; font-size:9pt; font-style:italic; font-weight:normal; color:#000000" >Keywords: </SPAN > <SPAN style="font-family:'Verdana'; font-size:9.9pt; font-style:italic; font-weight:normal; color:#000000" >Underwater Wetting Transitions, Superhydrophobicity, Oleophobicity, Oleophilicity. </SPAN ></P>     ]]></body>
<body><![CDATA[<P style="margin-right:7px; margin-left:255px; text-indent:-247px; line-height:18px"> <SPAN style="font-family:'Verdana'; font-weight:700; color:#000000" ><font size="2">TRANSICIONES EN EL MOJADO DE LA SUPERFICIE DE UN MATERIAL COMPUESTO DE MATRIZ METÁLICA  </font> </SPAN ></P> </DIV>     <DIV class="Part" >    <DIV class="Sect"> <H4 style="margin-left:577px; line-height:18px"> &nbsp;</H4> </DIV>     <P style="text-align:justify; line-height:17px"> <SPAN style="font-family:'Verdana'; font-weight:bold; color:#1E487C" ><font size="2">RESUMEN: </font> </SPAN ></P> 	    <P style="text-align:justify; line-height:17px; margin-bottom:0"> <SPAN style="font-family:'Verdana'; font-weight:normal; color:#000000" ><font size="2">Se estudia la transición en el mojado para gotas de aceite colocadas en una superficie sumergida bajo agua de un material compuesto de matriz metálica. La penetración del aceite en las cavidades que se forman entre las asperezas de la superficie se ve acompañada por un cambio en el ángulo de contacto y puede resultar en transiciones Cassie-Wenzel. Se recolectaron datos experimentales de ángulos de contacto en sistemas aceiteaire, agua-aire y aceite-agua sobre la superficie de un material compuesto de matriz metálica aluminio-grafito. La transición de mojado Wenzel-Cassie se revela al incrementar la rugosidad superficial de varias muestras del material compuesto aluminio-grafito. Se propone modelo teórico para verificar el efecto de la topografía superficial y la rugosidad en dichas transiciones de mojado. </font> </SPAN ></P>     <P style="text-align:justify; margin-bottom:0"> <SPAN style="font-family:'Verdana'; font-style:italic; font-weight:700; color:#000000" ><font size="2">Palabras clave: </font> </SPAN > <SPAN style="font-family:'Verdana'; font-size:9.9pt; font-style:italic; font-weight:normal; color:#000000" >Transiciones de mojado bajo el agua, superhidrofobicidad, oleofobicidad, oleofilicidad</SPAN ><SPAN style="font-family:'Verdana'; font-style:italic; font-weight:normal; color:#000000" ><font size="2">.</font></SPAN ></P> 	    <P style="text-align:justify; margin-bottom:0"> &nbsp;</P>     <P style="margin-bottom:0; text-align:left"> <font size="2"> <SPAN style="font-family:'Verdana'; font-weight:bold; " >Recibido</SPAN ><SPAN style="font-family:'Verdana'; font-weight:bold; color:#1E487C" >: </SPAN ></font> <SPAN style="font-family:'Verdana'; font-weight:normal; color:#000000" ><font size="2">17-09-2013 ; </font> </SPAN ><font size="2"><SPAN style="font-family:'Verdana'; font-weight:bold; " >Revisado</SPAN ><SPAN style="font-family:'Verdana'; font-weight:bold; color:#1E487C" >: </SPAN ></font> <SPAN style="font-family:'Verdana'; font-weight:normal; color:#000000" ><font size="2">28-10-2013 </font> </SPAN ></P>     <P style="margin-bottom:0; text-align:left"> &nbsp;</P>     <P style="margin-bottom:0; text-align:left"> <font size="2"> <SPAN style="font-family:'Verdana'; font-weight:bold; " >Aceptado</SPAN ><SPAN style="font-family:'Verdana'; font-weight:bold; color:#1E487C" >: </SPAN ></font> <SPAN style="font-family:'Verdana'; font-weight:normal; color:#000000" ><font size="2">31-10-2013 ; </font> </SPAN ><font size="2"><SPAN style="font-family:'Verdana'; font-weight:bold; " >Publicado</SPAN ><SPAN style="font-family:'Verdana'; font-weight:bold; color:#1E487C" >: </SPAN ></font> <SPAN style="font-family:'Verdana'; font-weight:normal; color:#000000" ><font size="2">11-11-2013 </font> </SPAN > <SPAN style="font-family:'Verdana'; font-style:italic; font-weight:normal; color:#001F5F" ><font size="2">R</font></SPAN ></P> 	    ]]></body>
<body><![CDATA[<P style="text-align:justify; margin-bottom:0"> <SPAN style="font-family:'Verdana'; font-style:italic; font-weight:normal; color:#000000" ><font size="2">&nbsp;</font></SPAN ></P>     <DIV class="Sect"> <font face="Verdana">&nbsp; </font> </DIV> </DIV>      ]]></body>
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<ref-list>
<ref id="B1">
<label>B</label><nlm-citation citation-type="">
<source><![CDATA[]]></source>
<year></year>
</nlm-citation>
</ref>
</ref-list>
</back>
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