{"id":5208,"date":"2015-11-04T14:54:05","date_gmt":"2015-11-04T13:54:05","guid":{"rendered":"http:\/\/dpubma.univ-annaba.dz\/?p=5208"},"modified":"2015-11-04T14:54:05","modified_gmt":"2015-11-04T13:54:05","slug":"analyse-statistique-et-effet-des-traitements-chimique-sur-le-comportement-physico-mecanique-des-fibres-des-bras-de-grappe-des-palmiers-dattier","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=5208","title":{"rendered":"Analyse statistique et effet des traitements chimique sur le comportement physico-m\u00e9canique des fibres des bras de grappe des palmiers dattier."},"content":{"rendered":"<p style=\"text-align: justify;\" align=\"center\"><strong>Num\u00e9ro de la revue<\/strong>:\u00a031<br \/>\n<strong>Auteurs<\/strong>: \u00a0Abderrezak Bezazi <sup>1<\/sup>*, Salah Amroune <sup>1,2<\/sup>, Fabrizo Scarpa <sup>3<\/sup><\/p>\n<div><sup>1<\/sup> Laboratoire de M\u00e9canique Appliqu\u00e9e des Nouveaux Mat\u00e9riaux (LMANM),<\/div>\n<div>Universit\u00e9 8 Mai 1945, Guelma, 24000, \u00a0Alg\u00e9rie.<\/div>\n<div><sup>2<\/sup> Universit\u00e9 de M\u2019sila, B.P 166, Ichbelia, M&rsquo;sila,\u00a0 28000, Alg\u00e9rie.<\/div>\n<div><sup>3<\/sup>Advanced Composites Centre for Innovation and Science (ACCIS),<\/div>\n<div>University of Bristol, BS8 1TR Bristol, United Kingdom.<\/div>\n<div>.<\/div>\n<p style=\"text-align: right;\"><a href=\"http:\/\/dpubma.univ-annaba.dz\/wp-content\/uploads\/2015\/11\/10-R32.15.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><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p>Une m\u00e9thode d\u2019extraction des fibres des bras de grappe du palmier dattier est propos\u00e9e. La caract\u00e9risation m\u00e9canique en traction quasi statique des fibres non trait\u00e9es et de celles trait\u00e9es chimiquement par une solution de NaOH de 1 et 2% de concentration pendant des dur\u00e9es d\u2019immersions de 48 et 72 h montre que le traitement chimique am\u00e9liore les propri\u00e9t\u00e9s m\u00e9caniques\u00a0 comme la contrainte \u00e0 la rupture et le module de Young. L\u2019optimum est trouv\u00e9 pour les fibres trait\u00e9es avec 2% de concentration de NaOH pendant 48h d\u2019immersion. Le taux de cristallinit\u00e9 des fibres trait\u00e9es et non trait\u00e9es a \u00e9t\u00e9 d\u00e9termin\u00e9 \u00e0 l\u2019aide d\u2019essais de DRX. Les r\u00e9sultats ont fait l\u2019objet d\u2019une analyse\u00a0 statistique de variance Anova \u00e0 un facteur.<\/p>\n<p><strong>Mots cl\u00e9s<em>:<\/em><\/strong><em> fibres naturelles- palmier dattier \u2013 traction \u2013 DRX<strong> \u2013 <\/strong>analyse statistique.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><strong><em>\u00a0<\/em><\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue:\u00a031 Auteurs: \u00a0Abderrezak Bezazi 1*, Salah Amroune 1,2, Fabrizo Scarpa 3 1 Laboratoire de M\u00e9canique Appliqu\u00e9e des Nouveaux Mat\u00e9riaux (LMANM), Universit\u00e9 8 Mai 1945, Guelma, 24000, \u00a0Alg\u00e9rie. 2 Universit\u00e9 de M\u2019sila, B.P 166, Ichbelia, M&rsquo;sila,\u00a0 28000, Alg\u00e9rie. &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=5208\">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":[1],"tags":[],"class_list":["post-5208","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/5208","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=5208"}],"version-history":[{"count":1,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/5208\/revisions"}],"predecessor-version":[{"id":5209,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/5208\/revisions\/5209"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}