{"id":698,"date":"2020-04-09T07:54:26","date_gmt":"2020-04-09T07:54:26","guid":{"rendered":"http:\/\/alalloycasting.com\/?page_id=698"},"modified":"2020-10-09T06:37:05","modified_gmt":"2020-10-09T06:37:05","slug":"strontium-modifier","status":"publish","type":"page","link":"https:\/\/www.alalloycasting.com\/fr\/strontium-modifier\/","title":{"rendered":"Modificateur de strontium"},"content":{"rendered":"<p>Le modificateur \u00e0 base de strontium a le m\u00eame effet que le modificateur \u00e0 base de sel de sodium. <strong>Modificateur \u00e0 base de strontium<\/strong> permet d'am\u00e9liorer les performances du mat\u00e9riau. Ajoutez un peu de <a href=\"https:\/\/www.alalloycasting.com\/fr\/strontium-modifier\/\">Modificateur Sr<\/a> dans le m\u00e9tal en fusion. Former un grand nombre de noyaux cristallins dispers\u00e9s, cr\u00e9\u00e9s artificiellement et non spontan\u00e9s, dans le m\u00e9tal en fusion, afin d'obtenir des grains fins lors de la coul\u00e9e.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1492\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/05\/Sr\u53d8\u8d28\u5242.jpg\" alt=\"Modificateur de strontium\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/05\/Sr\u53d8\u8d28\u5242.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/05\/Sr\u53d8\u8d28\u5242-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/www.alalloycasting.com\/fr\/\" class=\"su-button su-button-style-3d popmake-contact-us\" style=\"color:#FFFFFF;background-color:#6097d3;border-color:#4d79a9;border-radius:56px;-moz-border-radius:56px;-webkit-border-radius:56px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 26px;font-size:20px;line-height:40px;border-color:#90b7e1;border-radius:56px;-moz-border-radius:56px;-webkit-border-radius:56px;text-shadow:none;-moz-text-shadow:none;-webkit-text-shadow:none\"> Demander un devis<\/span><\/a><\/div>\n<p><strong>Caract\u00e9ristiques du modificateur Sr<\/strong><\/p>\n<p>1. Moins d'oxydation, facile \u00e0 doser et \u00e0 contr\u00f4ler, moins de risques de d\u00e9t\u00e9rioration excessive.<br \/>\n2. Le strontium n'\u00e9tant pas volatil, la dur\u00e9e de conservation peut \u00eatre prolong\u00e9e.<br \/>\n3. Traitement pratique, sans pr\u00e9cipitation de vapeur.<br \/>\n4. Le modificateur \u00e0 base de strontium est facile \u00e0 entretenir.<br \/>\n5. Apr\u00e8s traitement, l'alliage pr\u00e9sente une bonne fluidit\u00e9 et une faible sensibilit\u00e9 \u00e0 l'\u00e9paisseur de paroi de la pi\u00e8ce moul\u00e9e.<\/p>\n<p><strong>Effet de la modification<\/strong><\/p>\n<p>La densit\u00e9 du strontium \u00e9tant sup\u00e9rieure \u00e0 celle de l'aluminium fondu, celui-ci se pr\u00e9cipite sous forme de suspension. De plus, le temps de contact avec l'aluminium fondu \u00e9tant long, le taux d'utilisation peut atteindre 60% \u00e0 90%. Le strontium pouvant absorber l\u2019hydrog\u00e8ne, il est n\u00e9cessaire de l\u2019\u00e9liminer. En raison de la r\u00e9action intense avec le chlore, il convient d\u2019utiliser de l\u2019azote pour \u00e9liminer l\u2019hydrog\u00e8ne. Afin de rendre le traitement de modification plus efficace, un certain temps de r\u00e9tention est n\u00e9cessaire, qui d\u00e9pend de la teneur en Al\u2084Sr dans l\u2019alliage-ma\u00eetre. Apr\u00e8s refusion, l\u2019alliage d\u2019aluminium trait\u00e9 avec un modificateur \u00e0 base de strontium ne subira pas de perte notable de son effet de modification et permettra d\u2019obtenir un effet de modification permanent.<\/p>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f265-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"265\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/pages\/698#wpcf7-f265-o1\" method=\"post\" class=\"wpcf7-form init cf7skins cf7t-fieldset-basic cf7s-vanilla\" aria-label=\"Formulaire de contact\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/pages\/698#wpcf7-f265-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"265\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f265-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<fieldset>\n\t<legend>N'h\u00e9sitez pas \u00e0 nous faire part de votre demande via le formulaire ci-dessous. Nous vous r\u00e9pondrons dans les 24 heures.\n\t<\/legend>\n\t<ol>\n\t\t<li>\n\t\t\t<p><label for=''> Nom <em class=\"cf7s-reqd\">*<\/em> <\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"cf7s-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"cf7s-name\" \/><\/span>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label for=''> E-mail <em class=\"cf7s-reqd\">*<\/em> <\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"cf7s-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"cf7s-email\" \/><\/span>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label for=''> T\u00e9l\u00e9phone <em class=\"cf7s-reqd\">*<\/em> <\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"cf7s-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"cf7s-phone\" \/><\/span>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label for=''> Pays <\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"cf7s-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"cf7s-country\" \/><\/span>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label for=''> Message <em class=\"cf7s-reqd\">*<\/em> <\/label><span class=\"wpcf7-form-control-wrap\" data-name=\"cf7s-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" name=\"cf7s-message\"><\/textarea><\/span>\n\t\t\t<\/p>\n\t\t<\/li>\n\t<\/ol>\n\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Envoyer\" \/>\n\t<\/p>\n\t<p>* Obligatoire\n\t<\/p>\n<\/fieldset><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":false,\"openpopup_id\":0}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Strontium modifier has the same effect as the sodium salt modifier. Strontium modifier can achieve the purpose of improving material performance. Add some Sr modifier&hellip;<\/p>","protected":false},"author":1,"featured_media":1492,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-698","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Strontium Modifier | Sr Modifier in the AdTech Metallurgical Materials<\/title>\n<meta name=\"description\" content=\"Strontium modifier has the same effect as the sodium salt modifier. 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