{"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\/pt\/strontium-modifier\/","title":{"rendered":"Modificador de estr\u00f4ncio"},"content":{"rendered":"<p>O modificador de estr\u00f4ncio tem o mesmo efeito que o modificador de sal de s\u00f3dio. <strong>Modificador de estr\u00f4ncio<\/strong> pode contribuir para melhorar o desempenho do material. Adicione um pouco de <a href=\"https:\/\/www.alalloycasting.com\/pt\/strontium-modifier\/\">Modificador Sr<\/a> ao metal l\u00edquido. Formar um grande n\u00famero de n\u00facleos cristalinos dispersos, produzidos artificialmente e n\u00e3o espont\u00e2neos, no metal fundido, de modo a obter gr\u00e3os finos na fundi\u00e7\u00e3o.<\/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=\"Modificador de estr\u00f4ncio\" 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\/pt\/\" 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\"> Solicite um or\u00e7amento<\/span><\/a><\/div>\n<p><strong>Caracter\u00edsticas do Modificador Sr<\/strong><\/p>\n<p>1. Menos oxida\u00e7\u00e3o, f\u00e1cil de adicionar e controlar, menos problemas de deteriora\u00e7\u00e3o excessiva.<br \/>\n2. O estr\u00f4ncio n\u00e3o \u00e9 vol\u00e1til, portanto, o tempo efetivo de deteriora\u00e7\u00e3o pode ser prolongado.<br \/>\n3. Tratamento pr\u00e1tico, sem precipita\u00e7\u00e3o de vapor.<br \/>\n4. O modificador de estr\u00f4ncio \u00e9 f\u00e1cil de manter.<br \/>\n5. Ap\u00f3s o tratamento, a liga apresenta boa fluidez e pouca sensibilidade \u00e0 espessura da parede da pe\u00e7a fundida.<\/p>\n<p><strong>Efeito da modifica\u00e7\u00e3o<\/strong><\/p>\n<p>Como a densidade do estr\u00f4ncio \u00e9 maior do que a do alum\u00ednio l\u00edquido, ele se precipita em estado suspenso. Al\u00e9m disso, o tempo de contato com o alum\u00ednio l\u00edquido \u00e9 prolongado, e a taxa de aproveitamento pode atingir de 60% a 90%. O estr\u00f4ncio pode absorver hidrog\u00eanio e \u00e9 necess\u00e1rio remov\u00ea-lo. Devido \u00e0 intensa rea\u00e7\u00e3o com o cloro, deve-se utilizar nitrog\u00eanio para remover o hidrog\u00eanio. Para tornar o tratamento de modifica\u00e7\u00e3o mais eficaz, deve haver um certo tempo de reten\u00e7\u00e3o, que depende do teor de Al4Sr na liga-m\u00e3e. Ap\u00f3s a refundi\u00e7\u00e3o, a liga de alum\u00ednio tratada com o modificador de estr\u00f4ncio n\u00e3o apresentar\u00e1 perda significativa do efeito de modifica\u00e7\u00e3o e poder\u00e1 obter um efeito de modifica\u00e7\u00e3o permanente.<\/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=\"\/pt\/wp-json\/wp\/v2\/pages\/698#wpcf7-f265-o1\" method=\"post\" class=\"wpcf7-form init cf7skins cf7t-fieldset-basic cf7s-vanilla\" aria-label=\"Formul\u00e1rio de contato\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/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>Fique \u00e0 vontade para enviar sua consulta pelo formul\u00e1rio abaixo. Responderemos em at\u00e9 24 horas.\n\t<\/legend>\n\t<ol>\n\t\t<li>\n\t\t\t<p><label for=''> Nome <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=''> Telefone <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=''> Pa\u00eds <\/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=''> Mensagem <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=\"Enviar\" \/>\n\t<\/p>\n\t<p>* Obrigat\u00f3rio\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=\"pt\"\/><\/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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