{"id":103251,"date":"2024-07-18T13:14:57","date_gmt":"2024-07-18T11:14:57","guid":{"rendered":"https:\/\/www.linseis.com\/sem-categoria\/o-que-acontece-durante-a-cristalizacao-tc\/"},"modified":"2026-01-12T09:41:35","modified_gmt":"2026-01-12T08:41:35","slug":"o-que-acontece-durante-a-cristalizacao-tc","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/pt-pt\/conhecimentos\/o-que-acontece-durante-a-cristalizacao-tc\/","title":{"rendered":"O que acontece durante a cristaliza\u00e7\u00e3o (Tc)?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"103251\" class=\"elementor elementor-103251 elementor-13024\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb8745 e-flex e-con-boxed e-con e-parent\" data-id=\"9eb8745\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5dac224 elementor-toc--minimized-on-tablet elementor-invisible elementor-widget elementor-widget-table-of-contents\" data-id=\"5dac224\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\t\u00cdndice\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__5dac224\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__5dac224\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__5dac224\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffaef65 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A cristaliza\u00e7\u00e3o descreve a transi\u00e7\u00e3o de uma subst\u00e2ncia para um estado cristalino. Isto pode ocorrer a partir da fase gasosa, da fase s\u00f3lida ou da fase l\u00edquida.  Os \u00e1tomos ou as mol\u00e9culas disp\u00f5em-se numa estrutura cristalina claramente definida com estados energ\u00e9ticos m\u00ednimos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1056854 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"1056854\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Defini\u00e7\u00e3o cient\u00edfica\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ca652f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"0ca652f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A cristaliza\u00e7\u00e3o \u00e9 utilizada tanto na <a href=\"https:\/\/www.linseis.com\/applikationen\/metalle-und-legierungen\/\">\n  <strong>metalurgia<\/strong>\n<\/a>como na <a href=\"https:\/\/www.linseis.com\/applikationen\/keramik-und-glas\/\">\n  <strong>cer\u00e2mica de vidro<\/strong>\n<\/a> bem como para <a href=\"https:\/\/www.linseis.com\/applikationen\/polymere\/\">\n  <strong>pol\u00edmeros<\/strong>\n<\/a> o processo no processo de arrefecimento em que os cristalitos se formam, por si pr\u00f3prios ou atrav\u00e9s da adi\u00e7\u00e3o de agentes nucleantes e impurezas.<\/p><p>Devido \u00e0 principal \u00e1rea de aplica\u00e7\u00e3o do <a href=\"https:\/\/www.linseis.com\/startseite\/messgeraete\/thermische-analyse\/dynamische-differenz-kalorimetrie\/\">\n  <strong>DSC<\/strong>\n<\/a> a <a href=\"https:\/\/www.linseis.com\/pt-pt\/conhecimentos\/cristalizacao-e-recristalizacao-de-polimeros\/\"><strong>cristaliza\u00e7\u00e3o<\/strong> <strong>com<\/strong> <strong>pol\u00edmeros<\/strong><\/a>que formam uma estrutura cristalina atrav\u00e9s de regi\u00f5es com ordem de longo alcance. Anteriormente, estas cadeias moleculares estavam desordenadas num estado amorfo. <\/p><p>Para al\u00e9m dos <strong>n\u00facleos de cristaliza\u00e7\u00e3o<\/strong>, a cristaliza\u00e7\u00e3o requer uma fus\u00e3o e uma temperatura suficientemente elevada. Quanto mais lento for o arrefecimento, melhor pode ser detectada a cristaliza\u00e7\u00e3o. Isto d\u00e1 \u00e0s <strong>cadeias moleculares<\/strong> correspondentes mais tempo para se orientarem.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a068cad elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"a068cad\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Recristaliza\u00e7\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d3ef0a elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3d3ef0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>No entanto, a cristaliza\u00e7\u00e3o tamb\u00e9m pode ser causada por estiramento devido a <strong>influ\u00eancias<\/strong> <strong>mec\u00e2nicas<\/strong> num estado frio. <strong>A recristaliza\u00e7\u00e3o<\/strong> pode ocorrer quando o material \u00e9 novamente aquecido. <strong>Esta<\/strong> <strong>recristaliza\u00e7\u00e3o, tamb\u00e9m<\/strong> <strong>conhecida como<\/strong> <strong>cristaliza\u00e7\u00e3o a frio<\/strong>, ocorre entre a temperatura de transi\u00e7\u00e3o v\u00edtrea e a fus\u00e3o do pol\u00edmero. <\/p><p>A causa desta rea\u00e7\u00e3o exot\u00e9rmica \u00e9 a orienta\u00e7\u00e3o adicional das cadeias como resultado do amolecimento do material ap\u00f3s o ponto de vidro. O amolecimento permite que as cadeias moleculares vibrem melhor e, subsequentemente, se orientem em cristais. <strong>Novos<\/strong> <strong>n\u00facleos de cristaliza\u00e7\u00e3o<\/strong> <strong>podem ser<\/strong> <strong>formados<\/strong> <strong>e<\/strong> <strong>os gr\u00e3os de cristal<\/strong> <strong>existentes<\/strong> <strong>podem crescer.<\/strong> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21e78c4 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"21e78c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Aplica\u00e7\u00e3o pr\u00e1tica\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7bbe04b e-con-full e-flex e-con e-child\" data-id=\"7bbe04b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ecbb7b8 e-con-full e-flex e-con e-child\" data-id=\"ecbb7b8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee669ef elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"ee669ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Na<\/strong> <strong>pr\u00e1tica da<\/strong> <strong>medi\u00e7\u00e3o DSC<\/strong> <strong>,<\/strong> <strong>a cristaliza\u00e7\u00e3o<\/strong> <strong>manifesta-se<\/strong> <strong>como um<\/strong> <strong>pico<\/strong> <strong>exot\u00e9rmico<\/strong> <strong>.<\/strong> A medi\u00e7\u00e3o DSC permite determinar o grau de cristalinidade K. <strong>A cristalinidade,<\/strong> <strong>o<\/strong> <strong>grau de cristaliza\u00e7\u00e3o<\/strong> e o <strong>grau de cristalinidade<\/strong> s\u00e3o utilizados como sin\u00f3nimos na literatura t\u00e9cnica e indicam <strong>a<\/strong> <strong>percentagem<\/strong> <strong>do<\/strong> <strong>pol\u00edmero<\/strong> que <strong>\u00e9<\/strong> <strong>cristalina<\/strong>.<\/p><p>Na pr\u00e1tica, os pol\u00edmeros completamente cristalinos s\u00e3o de pouca import\u00e2ncia, uma vez que s\u00f3 podem ser produzidos por recozimento complexo <strong>logo<\/strong> <strong>abaixo<\/strong> <strong>da<\/strong> <strong>temperatura de fus\u00e3o<\/strong>.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03d7300 e-con-full e-flex e-con e-child\" data-id=\"03d7300\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cd844a4 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"cd844a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"672\" height=\"448\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip_DSC10_Quenche_Detail_3_04_compressed.png\" class=\"attachment-large size-large wp-image-33093\" alt=\"Chip_DSC10\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip_DSC10_Quenche_Detail_3_04_compressed.png 672w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Chip_DSC10_Quenche_Detail_3_04_compressed-300x200.png 300w\" sizes=\"(max-width: 672px) 100vw, 672px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02bd6d4 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"02bd6d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Determina\u00e7\u00e3o do grau de cristalinidade<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-daa4bd0 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"daa4bd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>K = grau de cristalinidade<br><br>\u2206H = entalpia<br><br>\u2206HC = entalpia de cristaliza\u00e7\u00e3o<br><br>\u2206Hlit = valor de entalpia da literatura<br><br>\u2206HM = entalpia de fus\u00e3o<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-592723a elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"592723a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Um pr\u00e9-requisito para <strong>determinar o grau de cristalinidade<\/strong> \u00e9 o conhecimento da <strong>entalpia de fus\u00e3o<\/strong> <strong>te\u00f3rica<\/strong> <strong>\u2206Hlit<\/strong> para um material completamente cristalino, de acordo com:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9483b1 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"c9483b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tK=\u2206HM\/\u2206Hlit \u2219100\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79a965d elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"79a965d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>o <strong>grau de cristalinidade<\/strong> pode ser <strong>calculado<\/strong> <strong>como uma<\/strong> <strong>percentagem<\/strong>. Um <g id=\"gid_4\">segundo<\/g> <g id=\"gid_5\">aquecimento<\/g> pode assim determinar at\u00e9 que ponto a cristalinidade desta amostra foi influenciada pelo historial t\u00e9rmico e mec\u00e2nico. <g id=\"gid_6\">Se<\/g> <g id=\"gid_12\">ocorrer<\/g> <g id=\"gid_10\">um<\/g> <g id=\"gid_11\">pico de recristaliza\u00e7\u00e3o<\/g> <g id=\"gid_9\">durante o processo de aquecimento<\/g>, este \u00e9 subtra\u00eddo da entalpia de fus\u00e3o e o resultado \u00e9 dividido pelo valor correspondente da literatura. Isto pode ser resumido da seguinte forma:  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccfc4b3 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"ccfc4b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tK=(\u2206HM-\u2206HC)\/\u2206Hlit \u2219100\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b90b023 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"b90b023\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"414\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Tc-1024x530-1.png\" class=\"attachment-large size-large wp-image-33105\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Tc-1024x530-1.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Tc-1024x530-1-300x155.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Tc-1024x530-1-768x398.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 1: Figura 1: Cristaliza\u00e7\u00e3o a frio com temperaturas relevantesMostra a disposi\u00e7\u00e3o esquem\u00e1tica do distribuidor de calor no sistema eletr\u00f3nico. <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4347eb3 elementor-widget elementor-widget-spacer\" data-id=\"4347eb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A cristaliza\u00e7\u00e3o descreve a transi\u00e7\u00e3o de uma subst\u00e2ncia para um estado cristalino. Isto pode ocorrer a partir da fase gasosa, da fase s\u00f3lida ou da fase l\u00edquida. <\/p>\n","protected":false},"author":3,"featured_media":33089,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[654],"tags":[],"class_list":["post-103251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conhecimentos"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/posts\/103251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/comments?post=103251"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/posts\/103251\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/media\/33089"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/media?parent=103251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/categories?post=103251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/pt-pt\/wp-json\/wp\/v2\/tags?post=103251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}