{"id":23443,"date":"2012-07-11T18:29:08","date_gmt":"2012-07-11T18:29:08","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2012\/07\/11\/alcoa-il-manque-encore-pres-de-100-kilogrammes-daluminium-par-voiture\/"},"modified":"2012-07-11T18:29:08","modified_gmt":"2012-07-11T18:29:08","slug":"alcoa-il-manque-encore-pres-de-100-kilogrammes-daluminium-par-voiture","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2012\/07\/11\/alcoa-il-manque-encore-pres-de-100-kilogrammes-daluminium-par-voiture\/","title":{"rendered":"Alcoa: il manque encore pr\u00e8s de 100 kilogrammes d&rsquo;aluminium par voiture"},"content":{"rendered":"<p><a class=\"asset-img-link\" href=\"http:\/\/clabedan.typepad.com\/.a\/6a00d83451b18369e20177433f0188970d-pi\"><img decoding=\"async\" alt=\"Aluminium-automobile\" class=\"asset  asset-image at-xid-6a00d83451b18369e20177433f0188970d\" src=\"http:\/\/clabedan.typepad.com\/.a\/6a00d83451b18369e20177433f0188970d-450wi\" style=\"width: 450px\" \/><\/a><\/p>\n<p>&#160;J&#039;ai appris \u00e0 conduire, il y a bien longtemps de cela, sur une Dyna Panhard des ann\u00e9es 60, merveilleuse et capricieuse petite voiture aux allures de &quot;Coccinelle&quot; et aux performances remarquables (quand elle n&#039;\u00e9tait pas en panne)&#8230; construite en Aluminium. Les constructeurs automobiles sont depuis revenus \u00e0 la ferraille de base (ou presque), plus lourde, ais\u00e9ment soudable et surtout moins on\u00e9reuse. Je voudrais ici vous pr\u00e9senter un graphique tir\u00e9 de la pr\u00e9sentation d&#039;Alcoa du deuxi\u00e8me trimestre de cette ann\u00e9e qui nous indique que chaque voiture emporte aujourd&#039;hui 343 livres (156 kg) de composants en aluminium (radiateur, jantes, moteurs, capot). En 2025 gr\u00e2ce \u00e0 la d\u00e9mocratisation des structures en Aluminium, cette m\u00eame voiture type devrait embarquer en moyenne 550 livres (250 kg) d&#039;aluminium.<\/p>\n<p>L&#039;histoire de l&#039;all\u00e8gement des v\u00e9hicules sera peut-\u00eatre un peu plus complexe en raison de la concurrence face \u00e0 l&#039;aluminium de possibles structures en fibres de carbone impr\u00e9gn\u00e9es qui devraient entrer \u00e0 leur tour dans les v\u00e9hicules routiers de haut de gamme&#8230;allemands, bien s\u00fbr, pour commencer. Alu, plastiques arm\u00e9s ou composites voil\u00e0 un exemple de ce qui va permettre de faire progresser encore et encore l&#039;efficacit\u00e9 \u00e9nerg\u00e9tique de nos v\u00e9hicules et r\u00e9duire ainsi leurs consommations en carburants ou mieux encore d&#039;accroitre l&#039;autonomie des v\u00e9hicules \u00e9lectriques qui sera un point cl\u00e9 pour le Marketing de cette classe de v\u00e9hicules. Il faut imaginer un avenir passionnant durant les d\u00e9cennies \u00e0 venir quand aux performances \u00e9nerg\u00e9tiques des v\u00e9hicules routiers. La sobri\u00e9t\u00e9 \u00e9nerg\u00e9tique prendra le pas sur les pare-buffles chrom\u00e9s et les moteurs V6&#8230;certains s&#039;en lamentent d\u00e9j\u00e0 et nous menacent du peak-oil&#8230;les pauvres!<\/p>\n<p>CONSULTER <a href=\"http:\/\/www.alcoa.com\/global\/en\/investment\/analysis.asp\" target=\"_self\">la pr\u00e9sentation d&#039;Alcoa<\/a> en activant le lien &quot;<a href=\"http:\/\/www.alcoa.com\/global\/en\/investment\/pdfs\/Alcoa_2Q12_Earnings_Presentation.pdf\" target=\"_self\">2Q12 Analyst Presentation (PDF)<\/a>&quot;<\/p>\n<p>&#160;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;J&#039;ai appris \u00e0 conduire, il y a bien longtemps de cela, sur une Dyna Panhard des ann\u00e9es 60, merveilleuse et capricieuse petite voiture aux allures de &quot;Coccinelle&quot; et aux performances remarquables (quand elle n&#039;\u00e9tait pas en panne)&#8230; construite en Aluminium. Les constructeurs automobiles sont depuis revenus \u00e0 la ferraille de base (ou presque), plus lourde, [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-23443","post","type-post","status-publish","format-standard","hentry","category-vehicules-ecologiques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Alcoa: il manque encore pr\u00e8s de 100 kilogrammes d&#039;aluminium par voiture - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2012\/07\/11\/alcoa-il-manque-encore-pres-de-100-kilogrammes-daluminium-par-voiture\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Alcoa: il manque encore pr\u00e8s de 100 kilogrammes d&#039;aluminium par voiture - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;J&#039;ai appris \u00e0 conduire, il y a bien longtemps de cela, sur une Dyna Panhard des ann\u00e9es 60, merveilleuse et capricieuse petite voiture aux allures de &quot;Coccinelle&quot; et aux performances remarquables (quand elle n&#039;\u00e9tait pas en panne)&#8230; construite en Aluminium. 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