{"id":589,"date":"2015-06-22T14:52:02","date_gmt":"2015-06-22T13:52:02","guid":{"rendered":"http:\/\/www.quinapa.com\/ca\/?page_id=589"},"modified":"2015-06-29T16:25:33","modified_gmt":"2015-06-29T15:25:33","slug":"tractaments-termics-de-lalumini","status":"publish","type":"page","link":"https:\/\/www.quinapa.com\/ca\/tractaments-termics-de-lalumini\/","title":{"rendered":"Tractaments t\u00e8rmics de l&#8217;alumini"},"content":{"rendered":"[vc_row][vc_column width=&#8221;1\/1&#8243;][vc_single_image image=&#8221;494&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][vc_empty_space height=&#8221;20px&#8221;][vc_column_text]\n<p style=\"text-align: justify;\">Les propietats que fan de l&#8217;alumini un metall tan utilitzat en la ind\u00fastria s\u00f3n la seva <strong>lleugeresa, resist\u00e8ncia a la corrosi\u00f3, conductivitat el\u00e8ctrica i t\u00e8rmica, no \u00e9s magn\u00e8tic ni t\u00f2xic, bon reflector de llum, impermeable, inodor i molt d\u00factil<\/strong>. A m\u00e9s, el gran atractiu \u00e9s que es tracta d&#8217;un metall <strong>100% reciclable<\/strong>, \u00e9s a dir, es pot reciclar indefinidament sense que per aix\u00f2 perdi les seves qualitats.<\/p>\n<p style=\"text-align: justify;\">La seva lleugeresa fa que sigui un dels metalls m\u00e9s utilitzats en automoci\u00f3, construcci\u00f3 de motocicletes, de maquin\u00e0ria i b\u00e9ns d&#8217;equip, aix\u00f2 s\u00ed despr\u00e9s de salvar el seu \u00fanic inconvenient; \u00e9s <strong>relativament tou<\/strong>.<\/p>\n<p style=\"text-align: justify;\">Els processos de Tractament T\u00e8rmic s\u00f3n un conjunt d&#8217;operacions d&#8217;escalfament o refredament utilitzats en diverses aliatges d&#8217;alumini a fi de modificar les seves propietats, principalment:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Augment o disminuci\u00f3 de la duresa de forma controlada.<\/li>\n<li style=\"text-align: justify;\">Augmentar la resist\u00e8ncia mec\u00e0nica.<\/li>\n<li style=\"text-align: justify;\">Assegurar l&#8217;estabilitat dimensional.<\/li>\n<li style=\"text-align: justify;\">Eliminar tensions de fabricaci\u00f3 allargant la vida de la pe\u00e7a.<\/li>\n<li style=\"text-align: justify;\">Augment de la conductivitat el\u00e8ctrica.<\/li>\n<li style=\"text-align: justify;\">Variaci\u00f3 de les caracter\u00edstiques mec\u00e0niques de les peces; torsi\u00f3, tracci\u00f3, elasticitat o durabilitat.<\/li>\n<\/ul>\n[\/vc_column_text][vc_empty_space height=&#8221;15px&#8221;][\/vc_column][\/vc_row][vc_row full_width=&#8221;&#8221; parallax=&#8221;&#8221; parallax_image=&#8221;&#8221;][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;496&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;yes&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;497&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;yes&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;498&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;yes&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][\/vc_column][\/vc_row][vc_row full_width=&#8221;&#8221; parallax=&#8221;&#8221; parallax_image=&#8221;&#8221;][vc_column width=&#8221;1\/1&#8243;][vc_empty_space height=&#8221;20px&#8221;][vc_column_text]\n<p style=\"text-align: justify;\">Els tractaments t\u00e8rmics realitzats a\u00a0<strong>quinapa<\/strong> s\u00f3n per escalfament i sobre peces fabricades per extrusi\u00f3, forja, fosa de gravetat, sorra i alguna de injectat, en qualsevol aliatge de les fam\u00edlies 2000 (Alumini-Coure), 6000 (Alumini-Magnesi-Silici) i 7000 (Alumini-Zinc), i s\u00f3n els seg\u00fcents:<\/p>\n<ul style=\"text-align: justify;\">\n<li>O recuit (estova materials endurits per facilitar treballs de conformaci\u00f3)<\/li>\n<li>T4 soluci\u00f3, tremp i maduraci\u00f3 natural (duresa final a temperatura ambient)<\/li>\n<li>T5 maduraci\u00f3 artificial controlada des tremp en peces fabricades per extrusi\u00f3.<\/li>\n<li>T6 soluci\u00f3, tremp i maduraci\u00f3 artificial (duresa final controlada per temperatura i temps)<\/li>\n<li>T64 soluci\u00f3, tremp i submaduraci\u00f3n (augment de duresa, coeficient el\u00e0stic i allargament)<\/li>\n<li>T7 soluci\u00f3, tremp i sobremaduraci\u00f3 artificial (equilibri entre duresa i menor fragilitat)<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">En l&#8217;actualitat les instal\u00b7lacions de Tractament T\u00e8rmic de <strong>quinapa<\/strong> el formen <strong>tres forns de soluci\u00f3 amb fossats de tremp i dos forns de maduraci\u00f3 artificial<\/strong>, tots ells amb control i registre informatitzat i instantani de temperatura i temps.<\/p>\n<p style=\"text-align: justify;\">Els sistemes de control el formen <strong>dur\u00f2metres i sondes de temperatura<\/strong> calibrades per laboratori independent.<\/p>\n[\/vc_column_text][vc_empty_space height=&#8221;15px&#8221;][\/vc_column][\/vc_row][vc_row full_width=&#8221;&#8221; parallax=&#8221;&#8221; parallax_image=&#8221;&#8221; el_id=&#8221;&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;502&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;yes&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;503&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;yes&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;1\/1&#8243;][vc_single_image image=&#8221;494&#8243; alignment=&#8221;center&#8221; border_color=&#8221;grey&#8221; img_link_large=&#8221;&#8221; img_link_target=&#8221;_self&#8221; img_size=&#8221;full&#8221;][vc_empty_space height=&#8221;20px&#8221;][vc_column_text] Les propietats que fan de l&#8217;alumini un metall tan utilitzat en la ind\u00fastria s\u00f3n la seva lleugeresa, resist\u00e8ncia a la corrosi\u00f3, conductivitat el\u00e8ctrica i t\u00e8rmica, no \u00e9s magn\u00e8tic ni t\u00f2xic, bon reflector de llum, impermeable, inodor i molt d\u00factil. A m\u00e9s, el gran atractiu \u00e9s que &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-589","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tractaments t\u00e8rmics de l&#039;alumini i altres metalls<\/title>\n<meta name=\"description\" content=\"Quinapa ofereix serveis de granallats i sorrejats d&#039;alumini i altres metalls, garantint els millors resultats al millor preu.\" \/>\n<meta name=\"robots\" content=\"noindex, nofollow\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tractaments t\u00e8rmics de l&#039;alumini i altres metalls\" \/>\n<meta property=\"og:description\" content=\"Quinapa 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