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array:23 [ "pii" => "S0870831217300228" "issn" => "08708312" "doi" => "10.1016/j.ctmat.2016.07.001" "estado" => "S300" "fechaPublicacion" => "2017-01-01" "aid" => "101" "copyright" => "Portuguese Society of Materials (SPM)" "copyrightAnyo" => "2017" "documento" => "article" "crossmark" => 1 "subdocumento" => "fla" "cita" => "Cienc Tecnol Mater. 2017;29:e82-6" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 19 "formatos" => array:2 [ "HTML" => 4 "PDF" => 15 ] ] "itemSiguiente" => array:18 [ "pii" => "S087083121730054X" "issn" => "08708312" "doi" => "10.1016/j.ctmat.2016.07.010" "estado" => "S300" "fechaPublicacion" => "2017-01-01" "aid" => "133" "copyright" => "Portuguese Society of Materials (SPM)" "documento" => "article" "crossmark" => 1 "subdocumento" => "fla" "cita" => "Cienc Tecnol Mater. 2017;29:e87-91" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 17 "formatos" => array:2 [ "HTML" => 1 "PDF" => 16 ] ] "en" => array:9 [ "idiomaDefecto" => true "titulo" => "Optimization of MWCNT – Metal Matrix Composites feedstocks" "tienePdf" => "en" "tieneTextoCompleto" => 0 "tieneResumen" => "en" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "e87" "paginaFinal" => "e91" ] ] "contieneResumen" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "T.J. Ferreira, M.T. Vieira" "autores" => array:2 [ 0 => array:2 [ "nombre" => "T.J." "apellidos" => "Ferreira" ] 1 => array:2 [ "nombre" => "M.T." "apellidos" => "Vieira" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S087083121730054X?idApp=UINPBA00004N" "url" => "/08708312/0000002900000001/v4_201801061051/S087083121730054X/v4_201801061051/en/main.assets" ] "itemAnterior" => array:18 [ "pii" => "S0870831217300733" "issn" => "08708312" "doi" => "10.1016/j.ctmat.2016.06.014" "estado" => "S300" "fechaPublicacion" => "2017-01-01" "aid" => "152" "copyright" => "Portuguese Society of Materials (SPM)" "documento" => "article" "crossmark" => 1 "subdocumento" => "fla" "cita" => "Cienc Tecnol Mater. 2017;29:e76-81" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:2 [ "total" => 45 "formatos" => array:2 [ "HTML" => 4 "PDF" => 41 ] ] "en" => array:9 [ "idiomaDefecto" => true "titulo" => "A comparison of methodologies for fatigue analysis of shafts: DIN 743 <span class="elsevierStyleItalic">vs.</span> approaches based on Soderberg criterion" "tienePdf" => "en" "tieneTextoCompleto" => 0 "tieneResumen" => "en" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "e76" "paginaFinal" => "e81" ] ] "contieneResumen" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "S.M.O. Tavares, P.M.S.T. de Castro" "autores" => array:2 [ 0 => array:2 [ "nombre" => "S.M.O." "apellidos" => "Tavares" ] 1 => array:2 [ "nombre" => "P.M.S.T." "apellidos" => "de Castro" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0870831217300733?idApp=UINPBA00004N" "url" => "/08708312/0000002900000001/v4_201801061051/S0870831217300733/v4_201801061051/en/main.assets" ] "en" => array:11 [ "idiomaDefecto" => true "titulo" => "Microstructure and mechanical properties of Al/SiC composite surface layer produced by friction stir processing" "tieneTextoCompleto" => 0 "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "e82" "paginaFinal" => "e86" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "C.M. Abreu, R. Acuña, M. Cabeza, M.J. Cristóbal, P. Merino, D. Verdera" "autores" => array:6 [ 0 => array:3 [ "nombre" => "C.M." "apellidos" => "Abreu" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 1 => array:4 [ "nombre" => "R." "apellidos" => "Acuña" "email" => array:1 [ 0 => "robertoacua@gmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] 2 => array:3 [ "nombre" => "M." "apellidos" => "Cabeza" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 3 => array:3 [ "nombre" => "M.J." "apellidos" => "Cristóbal" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 4 => array:3 [ "nombre" => "P." "apellidos" => "Merino" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 5 => array:3 [ "nombre" => "D." "apellidos" => "Verdera" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Department of Materials Science, University of Vigo, 36310 Vigo, Spain" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Technologival Centre AIMEN, Relva 27A, 36410, O Porriño, Pontevedra, Spain" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "PalabrasClave" => array:1 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec936338" "palabras" => array:5 [ 0 => "Friction stir processing" 1 => "AA2024-T351" 2 => "SiC" 3 => "EBSD" 4 => "mechanical and tribological properties" ] ] ] ] "tieneResumen" => true "resumen" => array:1 [ "en" => array:2 [ "titulo" => "Abstract" "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Metal matrix composites (MMCs) are a new class of materials that exhibit good wear resistance and high hardness. Since the wear resistance and hardness are surface properties, if the reinforcing particles are only added to the surface layer instead of bulk, the wear resistance and surface hardness can be improved without sacrificing the bulk properties.</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">In this study, was attempted to incorporate micro-sized SiC particles into an AA2024-T351 aluminium alloy by a friction stir processing (FSP) to form surface composite layer. The SiC particles (average particle size of 22.7<span class="elsevierStyleHsp" style=""></span>μm) were packed into a groove of 1.5<span class="elsevierStyleHsp" style=""></span>mm width and 1.5<span class="elsevierStyleHsp" style=""></span>mm depth cut on the aluminium plate. The influence to probe several strategies for reinforcement (number and direction of passes) on the particle distribution and homogeneity was studied.</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Microstructural observations were carried out by employing both optical and scanning electron microscopy. In addition, the Electron Backscatter Diffraction (EBSD) technique was used to obtain crystallographic data as crystal orientation, grain size distribution and texture. The results have confirmed the refinement of grain produced in the nugget region of the processed alloy. On the other hand, although there is not an increase of hardness, surface composite layer presents better wear resistance than the aluminium base alloy as indicated by a lower specific wear rate (27%).</p></span>" ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:9 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "[1]" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Friction Stir Welding and Processing" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:3 [ 0 => "R.S. Mishra" 1 => "P.S. De" 2 => "N. 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