<?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>0870-1164</journal-id>
<journal-title><![CDATA[Corrosão e Protecção de Materiais]]></journal-title>
<abbrev-journal-title><![CDATA[Corros. Prot. Mater.]]></abbrev-journal-title>
<issn>0870-1164</issn>
<publisher>
<publisher-name><![CDATA[LNEG - Laboratório Nacional de Energia e Geologia, I.P.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0870-11642009000300001</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Sensores de corrosão para aeronaves]]></article-title>
<article-title xml:lang="en"><![CDATA[Corrosion sensors for aircraft aging]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Venâncio]]></surname>
<given-names><![CDATA[P. G.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cottis]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Narayanaswamy]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[J. C. S.]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Indústria Aeronaútica de Portugal Departamento de Engenharia e Projectos OGMA]]></institution>
<addr-line><![CDATA[Alverca ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A02">
<institution><![CDATA[,University of Manchester School of Materials Corrosion and Protection Centre]]></institution>
<addr-line><![CDATA[Manchester ]]></addr-line>
<country>UK</country>
</aff>
<aff id="A03">
<institution><![CDATA[,University of Manchester Centre for Instrumentation and Analytical Science ]]></institution>
<addr-line><![CDATA[Manchester ]]></addr-line>
<country>UK</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Universidade Técnica de Lisboa Instituto Superior Técnico ICEMS/DEQB]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2009</year>
</pub-date>
<volume>28</volume>
<numero>3</numero>
<fpage>78</fpage>
<lpage>86</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0870-11642009000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0870-11642009000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0870-11642009000300001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Os operadores comerciais e forças aéreas militares procuram cada vez mais uma maneira de reduzir os custos de manutenção das aeronaves e aumentar a disponibilidade das mesmas. Nesse sentido, o controlo e monitorização da corrosão numa aeronave será uma ferramenta importantíssima para o operador com vista à optimização da sua frota. A OGMA, juntamente com o Instituto Superior Técnico (IST) e a Universidade de Manchester, está a desenvolver vários tipos de sensores de corrosão, específicos para várias áreas críticas previamente identificadas, para permitir uma monitorização da corrosão e melhor planificação do plano de manutenção das aeronaves. No presente artigo faz-se uma revisão dos sensores actualmente em desenvolvimento e apresentam-se os estudos em curso no âmbito da cooperação acima referida.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Commercial aircraft operators and military air forces are searching for a solution to reduce maintenance costs and increase the availability of their fleets. To achieve this objective, the control and monitoring of corrosion of the aircraft airframe will be an important tool for operators, in order to optimize their fleet. OGMA, together with Instituto Superior Técnico (IST) and the University of Manchester, is developing several types of corrosion sensors for specific critical areas of an aircraft, which have been previously identified, in order to allow for corrosion monitoring and, thus, for a better aircraft maintenance schedule. This paper contains a review of the sensors in development by other companies and by us, in the frame of the cooperation referred above.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Sensores de Corrosão]]></kwd>
<kwd lng="pt"><![CDATA[Aeronaves]]></kwd>
<kwd lng="pt"><![CDATA[Alumínio]]></kwd>
<kwd lng="en"><![CDATA[Corrosion Sensors]]></kwd>
<kwd lng="en"><![CDATA[Aircraft Aging]]></kwd>
<kwd lng="en"><![CDATA[Aluminium]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center" ><B>Sensores de corros&atilde;o para aeronaves</B></p>     <p align="center" >P. G. Venâncio <sup>(<a href="#1">1</a><a name="top1"></a>)    (<a href="#4">4</a><a name="top4"></a>) (<a href="#5">*</a><a name="top5"></a>)</sup>,    R. A. Cottis <sup>(<a href="#2">2</a><a name="top2"></a>)</sup>, R. Narayanaswamy    <sup>(<a href="#3">3</a><a name="top3"></a>)</sup> e J. C. S. Fernandes <sup>(<a href="#4">4</a><a name="top4"></a>)    </sup></p>      <p >&nbsp;</p>      <p >&nbsp;</p>      <p align="center" ><b >RESUMO</b></p>      <p >Os operadores comerciais e forças aéreas militares procuram cada vez mais uma maneira de reduzir os custos de manutenção das aeronaves e aumentar a disponibilidade das mesmas. Nesse sentido, o controlo e monitorização da corrosão numa aeronave será uma ferramenta importantíssima para o operador com vista à optimização da sua frota. </p>      <p >A OGMA, juntamente com o Instituto Superior Técnico (IST) e a Universidade de Manchester, está a desenvolver vários tipos de sensores de corrosão, específicos para várias áreas críticas previamente identificadas, para permitir uma monitorização da corrosão e melhor planificação do plano de manutenção das aeronaves.</p>      <p >No presente artigo faz-se uma revisão dos sensores actualmente em desenvolvimento e apresentam-se os estudos em curso no âmbito da cooperação acima referida.</p>      <p ><b ><i >Palavras-chave:</i></b><i > </i>Sensores de Corrosão, Aeronaves, Alumínio<i > </i></p>      <p >&nbsp;</p>      ]]></body>
<body><![CDATA[<p align="center" ><B>Corrosion sensors for aircraft aging</B></p>      <p align="center" ><b >ABSTRACT</b></p>     <p >Commercial aircraft operators and military air forces are searching for a    solution to reduce maintenance costs and increase the availability of their    fleets. To achieve this objective, the control and monitoring of corrosion of    the aircraft airframe will be an important tool for operators, in order to optimize    their fleet.</p>      <p >OGMA, together with Instituto Superior Técnico (IST) and the University of Manchester, is developing several types of corrosion sensors for specific critical areas of an aircraft, which have been previously identified, in order to allow for corrosion monitoring and, thus, for a better aircraft maintenance schedule. </p>      <p >This paper contains a review of the sensors in development by other companies    and by us, in the frame of the cooperation referred above. </p>      <p ><b ><i >Keywords: </i></b>Corrosion Sensors, Aircraft Aging, Aluminium<i ><b > </b></i></p>      <p >&nbsp;</p>      <p >Texto completo disponível apenas em PDF.</p>     <p>Full text only available in PDF format.</p>     <p >&nbsp;</p>      ]]></body>
<body><![CDATA[<p  ><b>REFERÊNCIAS</b></p>      <p  >[1] D. T. Peeler <i >in Proceedings of 6<sup>th</sup> Joint FAA/DOD/NASA Aging Aircraft Conference, </i>September<i >, </i>San Francisco, USA (2002).<i ></i></p>      <!-- ref --><p  >[2] K. van der Walde and B. M. Hillberry, <i >Int. J. Fatigue,</i> 29, 1269 (2007).&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000025&pid=S0870-1164200900030000100001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p  >[3] M. Liao, G. Renaud and N. C. Bellinger, <i >Int. J. Fatigue,</i> 29, 677 (2007).</p>      <p  >[4] K. van der Walde and B. M. Hillberry, <i >Int. J. Fatigue,</i> 30, 106<b > </b>(2008).</p>      <p  >[5] F. Ansuini <i >in Proceedings of CORROSION 1991</i>, March, NACE, Cincinatti, USA (1991).</p>      <p  >[6] M. Benounis and N. Jaffrezic-Renault, <i >Sens. Actuators, </i>B<b > </b>100<b >,</b> 1 (2004).</p>      <p  >[7] M. C. Hebbron, S. J. Harris, C. Neill, S. Wagstaff and D. G. Dixon <i >in Proceedings of EUROCORR 2005</i>, Setembro, Lisboa, Portugal (2005).</p>      <p  >[8] S. Dong, Yanbiao Liao and Qian Tian, <i >Corros. Sci.,</i> 48, 1746<b > </b>(2006).</p>      <p  >[9] S. Abderrahmane, A. Himour, R. Kherrat, E. Chailleux, N. Jaffrezic-Renault and G. Stremsdoefer<i >,</i><i > Sens.</i><i > Actuat. B-Chem., 75, 1 (2001).</i></p>      ]]></body>
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<body><![CDATA[<p  >[40] F. J. Arregui, Z. Ciaurriz, M. Oneca and I. R. Matias<i>,</i> <i >.    Actuat. B- Chem., </i>96, 165 (2003).</p>     <p  >&nbsp;</p>     <p  ><sup>(<a href="#top1">1</a><a name="1"></a>)</sup> Departamento de Engenharia    e Projectos, OGMA, Indústria Aeronaútica de Portugal, 2615-172 Alverca, Portugal</p>     <p ><sup>(<a href="#top2">2</a><a name="2"></a>)</sup> Corrosion and Protection    Centre, School of Materials, Univ. of Manchester, P.O. Box 88, Sackville Street,    Manchester, M60 1QD, UK</p>     <p ><sup>(<a href="#top3">3</a><a name="3"></a>)</sup> Centre for Instrumentation    and Analytical Science, Univ. of Manchester, Manchester, M60 1QD, UK</p>     <p ><sup>(<a href="#top4">4</a><a name="4"></a>) </sup>ICEMS/DEQB, Instituto Superior    Técnico, Univ. Técnica de Lisboa, 1049-001 Lisboa, Portugal</p>     <p ><sup>(<a href="#top5">*</a><a name="5"></a>)</sup> A quem a correspondência    deve ser dirigida, e-mail: <a href="mailto:paulo.venancio@ogma.pt">paulo.venancio@ogma.pt</a></p>      <p >&nbsp;</p>      <p >&nbsp;</p>      <p align="right" >Artigo submetido em Março de 2009 e aceite em Junho de 2009</p>      ]]></body>
<body><![CDATA[<p >&nbsp;</p>       ]]></body><back>
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<nlm-citation citation-type="journal">
<person-group person-group-type="author">
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</name>
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<surname><![CDATA[Hillberry]]></surname>
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<source><![CDATA[Int. J. Fatigue]]></source>
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</article>
