{"id":116204,"date":"2022-05-11T06:01:39","date_gmt":"2022-05-11T05:01:39","guid":{"rendered":"https:\/\/material-properties.org\/quelle-est-la-resistance-des-alliages-daluminium-definition\/"},"modified":"2022-05-17T12:37:06","modified_gmt":"2022-05-17T11:37:06","slug":"quelle-est-la-resistance-des-alliages-daluminium-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelle-est-la-resistance-des-alliages-daluminium-definition\/","title":{"rendered":"Quelle est la r\u00e9sistance des alliages d&rsquo;aluminium &#8211; D\u00e9finition"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\">R\u00e9sistance des alliages d&rsquo;aluminium.\u00a0Une r\u00e9sistance \u00e9lev\u00e9e peut \u00eatre obtenue entre autres par l&rsquo;introduction d&rsquo;une fraction volumique \u00e9lev\u00e9e de fines particules de seconde phase r\u00e9parties de mani\u00e8re homog\u00e8ne et par un affinement de la taille des grains.<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><span>L&rsquo;aluminium de haute puret\u00e9<\/span><\/strong><span>\u00a0est un mat\u00e9riau souple avec une r\u00e9sistance ultime d&rsquo;environ 10 MPa, ce qui limite son utilisation dans les applications industrielles.\u00a0L&rsquo;aluminium de puret\u00e9 commerciale (99-99,6%) devient plus dur et plus r\u00e9sistant en raison de la pr\u00e9sence d&rsquo;impuret\u00e9s, en particulier de Si et de Fe.\u00a0Mais lorsqu&rsquo;ils sont alli\u00e9s, les alliages d&rsquo;aluminium peuvent \u00eatre trait\u00e9s thermiquement, ce qui modifie consid\u00e9rablement leurs propri\u00e9t\u00e9s m\u00e9caniques.<\/span><\/p>\n<p><strong><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/aluminium-alloys-6061-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29435\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/aluminium-alloys-6061-min-300x300.png\" alt=\"alliages d'aluminium\" width=\"300\" height=\"300\" \/><\/a><span>Les alliages d&rsquo;aluminium<\/span><\/strong><span> sont \u00e0 base d&rsquo;aluminium, dont les principaux \u00e9l\u00e9ments d&rsquo;alliage sont Cu, Mn, Si, Mg, Mg+Si, Zn.\u00a0Les compositions d&rsquo;alliages d&rsquo;aluminium sont enregistr\u00e9es aupr\u00e8s de l&rsquo;Aluminum Association.\u00a0Les alliages d&rsquo;aluminium sont r\u00e9partis en 9 familles (Al1xxx \u00e0 Al9xxx).\u00a0Les diff\u00e9rentes familles d&rsquo;alliages et les principaux \u00e9l\u00e9ments d&rsquo;alliage sont:<\/span><\/p>\n<ul>\n<li><span>1xxx: aucun \u00e9l\u00e9ment d&rsquo;alliage<\/span><\/li>\n<li><span>2xxx: Cuivre<\/span><\/li>\n<li><span>3xxx: Mangan\u00e8se<\/span><\/li>\n<li><span>4xxx: Silicium<\/span><\/li>\n<li><span>5xxx: Magn\u00e9sium<\/span><\/li>\n<li><span>6xxx: magn\u00e9sium et silicium<\/span><\/li>\n<li><span>7xxx: zinc, magn\u00e9sium et cuivre<\/span><\/li>\n<li><span>8xxx: autres \u00e9l\u00e9ments qui ne sont pas couverts par d&rsquo;autres s\u00e9ries<\/span><\/li>\n<\/ul>\n<p><span>Il existe \u00e9galement deux classifications principales, \u00e0 savoir les alliages de\u00a0<\/span><strong><span>fonderie<\/span><\/strong><span>\u00a0et les alliages\u00a0<\/span><strong><span>corroy\u00e9s<\/span><\/strong><span>, qui sont tous deux subdivis\u00e9s en cat\u00e9gories pouvant \u00eatre trait\u00e9es thermiquement et non trait\u00e9es thermiquement. Les alliages d&rsquo;aluminium contenant des \u00e9l\u00e9ments d&rsquo;alliage \u00e0 solubilit\u00e9 solide limit\u00e9e \u00e0 temp\u00e9rature ambiante et avec une forte d\u00e9pendance \u00e0 la temp\u00e9rature de la solubilit\u00e9 solide (par exemple Cu) peuvent \u00eatre renforc\u00e9s par un traitement thermique appropri\u00e9 (<\/span><strong><span>durcissement par pr\u00e9cipitation<\/span><\/strong><span>).\u00a0La r\u00e9sistance des alliages d&rsquo;Al commerciaux trait\u00e9s thermiquement d\u00e9passe 550 MPa.<\/span><\/p>\n<p><span>Les propri\u00e9t\u00e9s m\u00e9caniques des alliages d&rsquo;aluminium d\u00e9pendent fortement de leur composition de phase et de leur microstructure.\u00a0Une r\u00e9sistance \u00e9lev\u00e9e peut \u00eatre obtenue entre autres par l&rsquo;introduction d&rsquo;une fraction volumique \u00e9lev\u00e9e de particules fines de\u00a0<\/span><strong><span>seconde phase<\/span><\/strong><span> r\u00e9parties de mani\u00e8re homog\u00e8ne et par un affinement de la taille des grains.\u00a0En g\u00e9n\u00e9ral, les alliages d&rsquo;aluminium se caract\u00e9risent par une masse volumique relativement faible (2,7 g\/cm<\/span><sup><span>3<\/span><\/sup><span> contre 7,9 g\/cm<\/span><sup><span>3 <\/span><\/sup><span>pour l&rsquo;acier), des conductivit\u00e9s \u00e9lectriques et thermiques \u00e9lev\u00e9es, et une r\u00e9sistance \u00e0 la corrosion dans certains environnements courants, y compris l&rsquo;atmosph\u00e8re ambiante. La principale limitation de l&rsquo;aluminium est sa faible temp\u00e9rature de fusion (660 \u00b0C), qui limite la temp\u00e9rature maximale \u00e0 laquelle il peut \u00eatre utilis\u00e9. Pour la production g\u00e9n\u00e9rale, les alliages des s\u00e9ries 5000 et 6000 offrent une r\u00e9sistance ad\u00e9quate combin\u00e9e \u00e0 une bonne r\u00e9sistance \u00e0 la corrosion, une t\u00e9nacit\u00e9 \u00e9lev\u00e9e et une facilit\u00e9 de soudage.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/cast-aluminium-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29429\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/cast-aluminium-min-300x219.png\" alt=\"fonte d'aluminium\" width=\"300\" height=\"219\" \/><\/a><\/p>\n<h2><span>R\u00e9sistance des alliages d&rsquo;aluminium<\/span><\/h2>\n<p><span>En m\u00e9canique des mat\u00e9riaux, la\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><strong><span>r\u00e9sistance d&rsquo;un mat\u00e9riau<\/span><\/strong><\/a><span>\u00a0est sa capacit\u00e9 \u00e0 supporter une charge appliqu\u00e9e sans rupture ni d\u00e9formation plastique.\u00a0<\/span><strong><span>La r\u00e9sistance des mat\u00e9riaux<\/span><\/strong><span>\u00a0consid\u00e8re essentiellement la relation entre les\u00a0<\/span><strong><span>charges externes<\/span><\/strong><span>\u00a0appliqu\u00e9es \u00e0 un mat\u00e9riau et la\u00a0<\/span><strong><span>d\u00e9formation<\/span><\/strong><span>\u00a0ou la modification des dimensions du mat\u00e9riau qui en r\u00e9sulte.\u00a0<\/span><strong><span>La r\u00e9sistance d&rsquo;un mat\u00e9riau<\/span><\/strong><span>\u00a0est sa capacit\u00e9 \u00e0 supporter cette charge appliqu\u00e9e sans d\u00e9faillance ni d\u00e9formation plastique.<\/span><\/p>\n<h3><span>R\u00e9sistance \u00e0 la traction ultime<\/span><\/h3>\n<p><span>La r\u00e9sistance \u00e0 la traction ultime de l&rsquo;alliage d&rsquo;aluminium 2024 d\u00e9pend fortement de l&rsquo;\u00e9tat du mat\u00e9riau, mais elle est d&rsquo;environ 450 MPa.<\/span><\/p>\n<p><span>La r\u00e9sistance \u00e0 la traction ultime de l&rsquo;alliage d&rsquo;aluminium 6061 d\u00e9pend fortement de l&rsquo;\u00e9tat du mat\u00e9riau, mais pour l&rsquo;\u00e9tat T6, elle est d&rsquo;environ 290 MPa.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Yield-Strength-Ultimate-Tensile-Strength-Table-of-Materials.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-27807\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Yield-Strength-Ultimate-Tensile-Strength-Table-of-Materials-239x300.png\" alt=\"Limite d'\u00e9lasticit\u00e9 - R\u00e9sistance \u00e0 la traction ultime - Tableau des mat\u00e9riaux\" width=\"239\" height=\"300\" \/><\/a><span>La\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/stress-strain-curve-stress-strain-diagram\/ultimate-tensile-strength-uts\/\"><strong><span>r\u00e9sistance \u00e0 la traction ultime<\/span><\/strong><\/a><span>\u00a0est le maximum sur la\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-stress-strain-curve-stress-strain-diagram-definition\/\"><span>courbe technique de contrainte-d\u00e9formation<\/span><\/a><span>.\u00a0Cela correspond \u00e0 la\u00a0<\/span><strong><span>contrainte maximale <\/span><\/strong><span>qui peut \u00eatre soutenu par une structure en tension. La r\u00e9sistance \u00e0 la traction ultime est souvent abr\u00e9g\u00e9e en \u00ab\u00a0r\u00e9sistance \u00e0 la traction\u00a0\u00bb ou m\u00eame en \u00ab\u00a0l&rsquo;ultime\u00a0\u00bb. Si cette contrainte est appliqu\u00e9e et maintenue, une fracture en r\u00e9sultera. Souvent, cette valeur est nettement sup\u00e9rieure \u00e0 la limite d&rsquo;\u00e9lasticit\u00e9 (jusqu&rsquo;\u00e0 50 \u00e0 60 % de plus que le rendement pour certains types de m\u00e9taux). Lorsqu&rsquo;un mat\u00e9riau ductile atteint sa r\u00e9sistance ultime, il subit une striction o\u00f9 la section transversale se r\u00e9duit localement. La courbe contrainte-d\u00e9formation ne contient pas de contrainte sup\u00e9rieure \u00e0 la r\u00e9sistance ultime. M\u00eame si les d\u00e9formations peuvent continuer \u00e0 augmenter, la contrainte diminue g\u00e9n\u00e9ralement apr\u00e8s que la r\u00e9sistance ultime a \u00e9t\u00e9 atteinte. C&rsquo;est une propri\u00e9t\u00e9 intensive; sa valeur ne d\u00e9pend donc pas de la taille de l&rsquo;\u00e9prouvette. Cependant, cela d\u00e9pend d&rsquo;autres facteurs, tels que la pr\u00e9paration de l&rsquo;\u00e9chantillon,\u00a0<\/span><strong><span>temp\u00e9rature<\/span><\/strong><span>\u00a0de l&rsquo;environnement et du mat\u00e9riau d&rsquo;essai.\u00a0<\/span><strong><span>Les r\u00e9sistances ultimes \u00e0 la traction<\/span><\/strong><span>\u00a0varient de 50 MPa pour un aluminium jusqu&rsquo;\u00e0 3000 MPa pour les aciers \u00e0 tr\u00e8s haute r\u00e9sistance.<\/span><\/p>\n<h3><span>Limite d&rsquo;\u00e9lasticit\u00e9<\/span><\/h3>\n<p><span>La limite d&rsquo;\u00e9lasticit\u00e9 de l&rsquo;alliage d&rsquo;aluminium 2024 d\u00e9pend fortement de l&rsquo;\u00e9tat du mat\u00e9riau, mais elle est d&rsquo;environ 300 MPa.<\/span><\/p>\n<p><span>La limite d&rsquo;\u00e9lasticit\u00e9 de l&rsquo;alliage d&rsquo;aluminium 6061 d\u00e9pend fortement de l&rsquo;\u00e9tat du mat\u00e9riau, mais pour l&rsquo;\u00e9tat T6, elle est d&rsquo;environ 240 MPa.<\/span><\/p>\n<p><span>La limite d&rsquo;\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/stress-strain-curve-stress-strain-diagram\/yield-strength-yield-point\/\"><strong><span>\u00e9lasticit\u00e9<\/span><\/strong><\/a><span>\u00a0est le point sur une\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-stress-strain-curve-stress-strain-diagram-definition\/\"><span>courbe contrainte-d\u00e9formation<\/span><\/a><span>\u00a0qui indique la limite du comportement \u00e9lastique et le d\u00e9but du comportement plastique.\u00a0<\/span><strong><span>Limite d&rsquo;\u00e9lasticit\u00e9 <\/span><\/strong><span>ou la limite d&rsquo;\u00e9lasticit\u00e9 est la propri\u00e9t\u00e9 du mat\u00e9riau d\u00e9finie comme la contrainte \u00e0 laquelle un mat\u00e9riau commence \u00e0 se d\u00e9former plastiquement, tandis que la limite d&rsquo;\u00e9lasticit\u00e9 est le point o\u00f9 la d\u00e9formation non lin\u00e9aire (\u00e9lastique + plastique) commence.\u00a0Avant la limite d&rsquo;\u00e9lasticit\u00e9, le mat\u00e9riau se d\u00e9forme \u00e9lastiquement et reprend sa forme d&rsquo;origine lorsque la contrainte appliqu\u00e9e est supprim\u00e9e.\u00a0Une fois la limite d&rsquo;\u00e9lasticit\u00e9 d\u00e9pass\u00e9e, une partie de la d\u00e9formation sera permanente et irr\u00e9versible.\u00a0Certains aciers et autres mat\u00e9riaux pr\u00e9sentent un comportement appel\u00e9 ph\u00e9nom\u00e8ne de limite d&rsquo;\u00e9lasticit\u00e9.\u00a0Les limites d&rsquo;\u00e9lasticit\u00e9 varient de 35 MPa pour un aluminium \u00e0 faible r\u00e9sistance \u00e0 plus de 1400 MPa pour les aciers \u00e0 tr\u00e8s haute r\u00e9sistance.<\/span><\/p>\n<h3><span>Module de Young<\/span><\/h3>\n<p><span>Le module de Young de l&rsquo;alliage d&rsquo;aluminium 2024 est d&rsquo;environ 76 GPa.<\/span><\/p>\n<p><span>Le module de Young de l&rsquo;alliage d&rsquo;aluminium 6061 est d&rsquo;environ 69 GPa.<\/span><\/p>\n<p><span>Le\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/hookes-law\/youngs-modulus-of-elasticity\/\"><span>module de Young est le module d&rsquo;\u00e9lasticit\u00e9<\/span><\/a><span>\u00a0pour les contraintes de traction et de compression dans le r\u00e9gime d&rsquo;\u00e9lasticit\u00e9 lin\u00e9aire d&rsquo;une d\u00e9formation uniaxiale et est g\u00e9n\u00e9ralement \u00e9valu\u00e9 par des essais de traction.\u00a0Jusqu&rsquo;\u00e0 une contrainte limite, une caisse pourra retrouver ses dimensions au retrait de la charge.\u00a0Les contraintes appliqu\u00e9es font que les atomes d&rsquo;un cristal se d\u00e9placent de leur position d&rsquo;\u00e9quilibre.\u00a0Tous les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/\"><span>atomes<\/span><\/a><span>\u00a0sont d\u00e9plac\u00e9s de la m\u00eame quantit\u00e9 et conservent toujours leur g\u00e9om\u00e9trie relative.\u00a0Lorsque les contraintes sont supprim\u00e9es, tous les atomes reviennent \u00e0 leur position d&rsquo;origine et aucune d\u00e9formation permanente ne se produit.\u00a0Selon la\u00a0<\/span><strong><a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><span>loi de Hooke<\/span><\/a><span>,<\/span><\/strong><span>\u00a0la contrainte est proportionnelle \u00e0 la d\u00e9formation (dans la r\u00e9gion \u00e9lastique), et la pente est\u00a0<\/span><strong><span>le module de Young<\/span><\/strong><span>.\u00a0Le module de Young est \u00e9gal \u00e0 la contrainte longitudinale divis\u00e9e par la d\u00e9formation.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Hookes-law-equation.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-27811\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Hookes-law-equation.png\" alt=\"\" width=\"320\" height=\"164\" \/><\/a><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>R\u00e9f\u00e9rences :<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">Science des mat\u00e9riaux:<\/div><\/div><\/div><\/span><\/p>\n<p><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 1 and 2. Janvier 1993.<\/span><br \/>\n<span>US Department of Energy, Material Science.\u00a0DOE Fundamentals Handbook, Volume 2 et 2. Janvier 1993.<\/span><br \/>\n<span>William D. Callister, David G. Rethwisch.\u00a0Science et g\u00e9nie des mat\u00e9riaux : une introduction 9e \u00e9dition, Wiley ;\u00a09 \u00e9dition (4 d\u00e9cembre 2013), ISBN-13\u00a0: 978-1118324578.<\/span><br \/>\n<span>En ligneEberhart, Mark (2003).\u00a0Pourquoi les choses se cassent\u00a0: Comprendre le monde par la mani\u00e8re dont il se d\u00e9compose.\u00a0Harmonie.\u00a0ISBN 978-1-4000-4760-4.<\/span><br \/>\n<span>Gaskell, David R. (1995).\u00a0Introduction \u00e0 la thermodynamique des mat\u00e9riaux (4e \u00e9d.).\u00a0\u00c9ditions Taylor et Francis.\u00a0ISBN 978-1-56032-992-3.<\/span><br \/>\n<span>Gonz\u00e1lez-Vi\u00f1as, W. &amp; Mancini, HL (2004).\u00a0Une introduction \u00e0 la science des mat\u00e9riaux.\u00a0Presse universitaire de Princeton.\u00a0ISBN 978-0-691-07097-1.<\/span><br \/>\n<span>Ashby, Michael;\u00a0Hugh Shercliff;\u00a0David Cebon (2007).\u00a0Mat\u00e9riaux: ing\u00e9nierie, science, traitement et conception (1\u00e8re \u00e9d.).\u00a0Butterworth-Heinemann.\u00a0ISBN 978-0-7506-8391-3.<\/span><br \/>\n<span>JR Lamarsh, AJ Baratta, Introduction au g\u00e9nie nucl\u00e9aire, 3e \u00e9d., Prentice-Hall, 2001, ISBN : 0-201-82498-1.<\/span><br \/>\n<span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div class=\"su-divider su-divider-style-default\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span>Voir ci-dessus:<\/span><br \/>\n<span>alliages d&rsquo;aluminium<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/aluminium-alloys\/ \" class=\"su-button su-button-style-plat\" style=\"color:#606060;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color:#606060;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><img src=\"ic\u00f4ne : lien\" alt=\"\" style=\"width:24px;height:24px\" \/> <\/span><\/a><\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Nous esp\u00e9rons que cet article,\u00a0<\/span><strong><span>R\u00e9sistance des alliages d&rsquo;aluminium<\/span><\/strong><span>, vous aidera.\u00a0Si oui,\u00a0<\/span><strong><span>donnez-nous un like<\/span><\/strong><span>\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous esp\u00e9rons que cet article,\u00a0R\u00e9sistance des alliages d&rsquo;aluminium, vous aidera.\u00a0Si oui,\u00a0donnez-nous un like\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quelle est la r\u00e9sistance des alliages d&#039;aluminium - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"R\u00e9sistance des alliages d&#039;aluminium. 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