<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2022000300008</article-id>
<article-id pub-id-type="doi">10.31349/revmexfis.68.031004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Al-Si-Cu alloy enhanced to high-temperature application by nickel addition]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camarillo-Cisneros]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Bustamante]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Sánchez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Medicina y Ciencias Biomédicas Laboratory of Computational Physical Chemistry]]></institution>
<addr-line><![CDATA[ Chihuahua]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Corporación Mexicana de Investigación en Materiales S.A. de C.V.  ]]></institution>
<addr-line><![CDATA[ San Luis Potosí]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación en Materiales Avanzados Laboratorio Nacional de Nanotecnología ]]></institution>
<addr-line><![CDATA[ Chihuahua]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>68</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2022000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2022000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2022000300008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  The present research evaluates commercial aluminum alloys 319 (AA319) and modified series by Ni additions on microstructure and mechanical properties through x-ray diffraction, electron microscopy, hardness, and tensile tests. All AA319+X%Ni compositions (x = 0.5, 1, 2) improved both hardness and UTS at room temperature, T6, over-aging, and high-temperature conditions. UTS obtained an improvement of around 30% to AA319 + 1%Ni and AA319 + 2%Ni relatives to unmodified reference from T6 and high-temperature conditions. In addition, Ni increased remarkably the number of &#952;&#8217;-Al2Cu pairs and reduced their thickness within the aluminum matrix compared to commercial alloy. The synthesis methodology is also adaptable to the current aluminum casting industry, creating the material in ingots and finished products.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Al-Si-Cu systems]]></kwd>
<kwd lng="en"><![CDATA[nickel effect]]></kwd>
</kwd-group>
</article-meta>
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