{"id":6761,"date":"2017-05-14T10:29:44","date_gmt":"2017-05-14T09:29:44","guid":{"rendered":"http:\/\/dpubma.univ-annaba.dz\/?p=6761"},"modified":"2017-12-04T14:22:20","modified_gmt":"2017-12-04T13:22:20","slug":"effet-des-additions-sur-la-microstructure-et-le-comportement-tribologique-et-en-fatigue-thermique-des-revetements-a-base-de-nial-obtenus-par-projection-plasma","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=6761","title":{"rendered":"Effet des additions sur la microstructure et le comportement tribologique et en  fatigue thermique des rev\u00eatements  \u00e0 base de NiAl obtenus par projection plasma"},"content":{"rendered":"<p style=\"text-align: justify;\" align=\"center\"><strong>Num\u00e9ro de la revue<\/strong>:\u00a034<br \/>\n<strong>Auteurs<\/strong>: Haoues Ghouss <sup>1,2<\/sup>\u00a0&amp; Said Boudebane<sup>2<\/sup><\/p>\n<p><sup>1<\/sup>Universit\u00e9 de M\u2019sila,\u00a0D\u00e9partement M\u00e9canique BP M\u2019sila, 28000, Alg\u00e9rie.<\/p>\n<p><sup>2 <\/sup>Universit\u00e9\u00a0 Badji Mokhtar Annaba, D\u00e9partement et laboratoire de M\u00e9tallurgie et G\u00e9nie des Mat\u00e9riaux, BP12 Annaba, 23000, Alg\u00e9rie.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><a href=\"http:\/\/dpubma.univ-annaba.dz\/wp-content\/uploads\/2017\/05\/17.67-16-1.pdf\"><strong>T\u00e9l\u00e9charger l&rsquo;article<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-709 alignright\" style=\"margin-top: -10px; margin-bottom: -10px;\" src=\"\/wp-content\/uploads\/2014\/04\/p2.jpg\" alt=\"p2\" width=\"37\" height=\"35\" srcset=\"https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2.jpg 113w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-24x24.jpg 24w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-48x46.jpg 48w\" sizes=\"auto, (max-width: 37px) 100vw, 37px\" \/><\/strong><\/a><\/p>\n<p style=\"text-align: justify;\"><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p style=\"text-align: justify;\">L\u2019objectif principal de ce travail est\u00a0 de comprendre l\u2019influence des\u00a0 additions\u00a0 des particules de TiC, SiC, MgO et WC dans le m\u00e9lange de base NiAl, sur la structure, le comportement en fatigue thermique, \u00e0 l\u2019usure et par \u00e9rosion du rev\u00eatement obtenu par projection plasma (APS). La microstructure des rev\u00eatements a montr\u00e9 une structure lamellaire, caract\u00e9ristique des rev\u00eatements obtenus par projection plasma. Le rev\u00eatement NiAl+5%WC a acquis ainsi une duret\u00e9 plus \u00e9lev\u00e9e que les autres rev\u00eatements. L&rsquo;essai de fatigue thermique a \u00e9t\u00e9 r\u00e9alis\u00e9 par un chauffage cyclique par effet joule dans l\u2019intervalle 100 et 800\u00b0C. Les r\u00e9sultats exp\u00e9rimentaux ont montr\u00e9 que le rev\u00eatement enrichi en WC pr\u00e9sente le meilleur comportement en fatigue thermique. Les essais d&rsquo;\u00e9rosion ont \u00e9t\u00e9 effectu\u00e9s \u00e0 temp\u00e9rature ambiante avec un angle d&rsquo;attaque de 90\u00b0. Le coefficient de frottement a \u00e9t\u00e9 d\u00e9termin\u00e9 sous une charge normale de 5N, avec une vitesse de 11,31 cm\/s et \u00e0\u00a0 temp\u00e9rature ambiante. Le rev\u00eatement NiAl accuse le plus bas coefficient de frottement. L&rsquo;incorporation des autres particules am\u00e9liore le comportement \u00e0 l\u2019\u00e9rosion ainsi que le coefficient de frottement.<\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Mots-cl\u00e9s\u00a0:<\/strong> <em>Fatigue thermique- \u00e9rosion- projection plasma-rev\u00eatement NiAl-coefficient de frottement.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue:\u00a034 Auteurs: Haoues Ghouss 1,2\u00a0&amp; Said Boudebane2 1Universit\u00e9 de M\u2019sila,\u00a0D\u00e9partement M\u00e9canique BP M\u2019sila, 28000, Alg\u00e9rie. 2 Universit\u00e9\u00a0 Badji Mokhtar Annaba, D\u00e9partement et laboratoire de M\u00e9tallurgie et G\u00e9nie des Mat\u00e9riaux, BP12 Annaba, 23000, Alg\u00e9rie. &nbsp; T\u00e9l\u00e9charger l&rsquo;article R\u00e9sum\u00e9 &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=6761\">Lire la suite <span class=\"meta-nav\">&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1145],"tags":[1150,1147,1146,1148,1149],"class_list":["post-6761","post","type-post","status-publish","format-standard","hentry","category-synthese-n-34","tag-coefficient-de-frottement","tag-erosion","tag-fatigue-thermique","tag-projection-plasma","tag-revetement-nial"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/6761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6761"}],"version-history":[{"count":4,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/6761\/revisions"}],"predecessor-version":[{"id":7395,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/6761\/revisions\/7395"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}