<?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>1665-6423</journal-id>
<journal-title><![CDATA[Journal of applied research and technology]]></journal-title>
<abbrev-journal-title><![CDATA[J. appl. res. technol]]></abbrev-journal-title>
<issn>1665-6423</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias Aplicadas y Tecnología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-64232022000100037</article-id>
<article-id pub-id-type="doi">10.22201/icat.24486736e.2022.20.1.1556</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Surface Modification of TiO&#8322;-Al&#8322;O&#8323; Nanoparticles for the Enhancement of the Rheological Properties of Lubricating Oil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fahad]]></surname>
<given-names><![CDATA[Mustafa Raad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abdulmajeed]]></surname>
<given-names><![CDATA[Basma Abbas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Baghdad  ]]></institution>
<addr-line><![CDATA[Baghdad ]]></addr-line>
<country>Iraq</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>20</volume>
<numero>1</numero>
<fpage>37</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-64232022000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-64232022000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-64232022000100037&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Nanoparticles can enhance various properties of lubricants. The surface modification was conducted for inorganic nanoparticles (NPs) TiO&#8322;-Al&#8322;O&#8323; with oleic acid (OA). The OA renders the TiO&#8322;- Al&#8322;O&#8323; surface hydrophobic. The OA-treated NPs show very stable dispersion in lubricating oil even after more than one month, compared with the unmodified NPs. The surface modification of NPs was characterized by Fourier transform infrared spectroscopy (FTIR). treated TiO2-Al&#8322;O&#8323; are added to raw Iraqi base oil SN150 of low viscosity as a hybrid Nanofluid to study the rheological properties such as kinematic viscosity, viscosity index, and the stability of nano-fluid. Four different concentrations were prepared with a range of 0.2% to 1% by weight. Pour point and flashpoint was also identified. The treated TiO&#8322;-Al&#8322;O&#8323; lubricating oil indicates a significant improvement in the viscosity index by 5.3-9.1 %, while the flashpoint increased by 11-27 °C comparing with base oil.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[nano-lubricating oil]]></kwd>
<kwd lng="en"><![CDATA[TiO&#8322;-Al&#8322;O&#8323; nanoparticles]]></kwd>
<kwd lng="en"><![CDATA[surface modification]]></kwd>
<kwd lng="en"><![CDATA[rheology]]></kwd>
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