{"id":698,"date":"2025-03-06T06:29:25","date_gmt":"2025-03-06T06:29:25","guid":{"rendered":"https:\/\/ysballs.com\/product\/postcard-v6\/"},"modified":"2025-07-02T11:53:35","modified_gmt":"2025-07-02T11:53:35","slug":"esferas-de-ceramica-de-nitreto-de-silicio","status":"publish","type":"product","link":"https:\/\/ysballs.com\/pt\/produto\/bolas-de-ceramica\/esferas-de-ceramica-de-nitreto-de-silicio\/","title":{"rendered":"Esferas de cer\u00e2mica de nitreto de sil\u00edcio"},"content":{"rendered":"<p><strong>Esferas de cer\u00e2mica de nitreto de sil\u00edcio<\/strong><\/p>\n<p>Material: Si3N4<\/p>\n<p>Di\u00e2metro da esfera: 0,4mm-140mm<\/p>\n<p>Norma de esferas: ISO3290, ASTM F2094<\/p>\n<p>Grau de precis\u00e3o: G5-G200<\/p>\n<p>Vida \u00fatil prolongada: 5-10x mais longa do que as esferas de a\u00e7o em aplica\u00e7\u00f5es de altas rota\u00e7\u00f5es.<\/p>\n<h6>Aplica\u00e7\u00f5es<\/h6>\n<table>\n<thead>\n<tr>\n<th>Ind\u00fastria<\/th>\n<th>Casos de utiliza\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Autom\u00f3vel<\/td>\n<td>Rolamentos de ve\u00edculos h\u00edbridos\/el\u00e9ctricos, componentes de turbocompressores.<\/td>\n<\/tr>\n<tr>\n<td>Aeroespacial<\/td>\n<td>Sistemas de orienta\u00e7\u00e3o, sensores de motores a jato.<\/td>\n<\/tr>\n<tr>\n<td>M\u00e9dico<\/td>\n<td>Substitui\u00e7\u00f5es ortop\u00e9dicas de articula\u00e7\u00f5es, instrumentos cir\u00fargicos.<\/td>\n<\/tr>\n<tr>\n<td>Industrial<\/td>\n<td>Rolamentos do eixo CNC de alta velocidade, vedantes da bomba.<\/td>\n<\/tr>\n<tr>\n<td>Energia<\/td>\n<td>Sistemas de controlo do passo de turbinas e\u00f3licas, componentes de c\u00e9lulas de combust\u00edvel.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h6>Composi\u00e7\u00e3o qu\u00edmica e resist\u00eancia<\/h6>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Componentes prim\u00e1rios<\/strong>: Si\u2083N\u2084 (\u226595%), auxiliares de sinteriza\u00e7\u00e3o (Al\u2082O\u2083, Y\u2082O\u2083).<\/li>\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong>:\n<ul>\n<li><strong>\u00c1cidos\/\u00e1lcalis<\/strong>: Resiste a HCl (\u226420%), H\u2082SO\u2084 (\u226450%), NaOH (\u226430%) a 80\u00b0C.<\/li>\n<li><strong>Oxida\u00e7\u00e3o<\/strong>: Est\u00e1vel ao ar at\u00e9 1.200\u00b0C com uma oxida\u00e7\u00e3o superficial m\u00ednima.<\/li>\n<li><strong>Hidr\u00f3lise<\/strong>: A baixa absor\u00e7\u00e3o de humidade (&lt;0,1%) garante uma estabilidade a longo prazo.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h6>Propriedades mec\u00e2nicas<\/h6>\n<table>\n<thead>\n<tr>\n<th>Im\u00f3veis<\/th>\n<th>Valor\/Descri\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Dureza<\/td>\n<td>1.600-1.800 HV (Vickers)<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia \u00e0 flex\u00e3o<\/td>\n<td>600-1.000 MPa<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia \u00e0 compress\u00e3o<\/td>\n<td>2.500-4.000 MPa<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia \u00e0 fratura<\/td>\n<td>6-7 MPa-m\u00b9\/\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Condutividade t\u00e9rmica<\/td>\n<td>20-30 W\/m-K<\/td>\n<\/tr>\n<tr>\n<td>Expans\u00e3o t\u00e9rmica<\/td>\n<td>3,2 \u00d710-\u2076\/\u00b0C (20-1.000\u00b0C)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>&nbsp;<\/p>\n<h5>Se tiver alguma necessidade, contacte-nos.<\/h5>\n<div class='fluentform ff-default fluentform_wrapper_7 ffs_default_wrap'><form data-form_id=\"7\" id=\"fluentform_7\" class=\"frm-fluent-form fluent_form_7 ff-el-form-top ff_form_instance_7_1 ff-form-loading ffs_default\" data-form_instance=\"ff_form_instance_7_1\" method=\"POST\" action=\"\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">forma do produto<\/legend><input type='hidden' name='__fluent_form_embded_post_id' value='698' \/><input type=\"hidden\" id=\"_fluentform_7_fluentformnonce\" name=\"_fluentform_7_fluentformnonce\" value=\"6fcb72447f\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/pt\/wp-json\/wp\/v2\/product\/698\" \/><input type=\"hidden\" name=\"hidden\" value=\"document.querySelector('h1.product_title').textContent\" data-name=\"hidden\" ><input type=\"hidden\" name=\"hidden_1\" value=\"window.location.href\" data-name=\"hidden_1\" ><div data-type=\"name-element\" data-name=\"names\" class=\"ff-field_container ff-name-field-wrapper\" ><div class='ff-t-container'><div class='ff-t-cell'><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_7_names_first_name_' >Nome pr\u00f3prio<\/label><\/div><div class='ff-el-input--content'><input type=\"text\" name=\"names[first_name]\" id=\"ff_7_names_first_name_\" class=\"ff-el-form-control\" aria-invalid=\"false\" aria-required=\"true\"><\/div><\/div><\/div><div class='ff-t-cell'><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_7_names_last_name_' >Apelido<\/label><\/div><div class='ff-el-input--content'><input type=\"text\" name=\"names[last_name]\" id=\"ff_7_names_last_name_\" class=\"ff-el-form-control\" aria-invalid=\"false\" aria-required=\"true\"><\/div><\/div><\/div><\/div><\/div><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_7_email' aria-label=\"Correio eletr\u00f3nico\">Correio eletr\u00f3nico<\/label><\/div><div class='ff-el-input--content'><input type=\"email\" name=\"email\" id=\"ff_7_email\" class=\"ff-el-form-control\" placeholder=\"you@domain.com\" data-name=\"email\"  aria-invalid=\"false\" aria-required=\"true\"><\/div><\/div><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_7_description' aria-label=\"Descri\u00e7\u00e3o\">Descri\u00e7\u00e3o<\/label><\/div><div class='ff-el-input--content'><textarea aria-invalid=\"false\" aria-required=\"true\" name=\"description\" id=\"ff_7_description\" class=\"ff-el-form-control\" rows=\"4\" cols=\"2\" data-name=\"description\" ><\/textarea><\/div><\/div><div class='ff-el-group ff-text-left ff_submit_btn_wrapper'><button type=\"submit\" class=\"ff-btn ff-btn-submit ff-btn-md ff_btn_style wpf_has_custom_css\" >Enviar inqu\u00e9rito<\/button><\/div><\/fieldset><input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form><div id='fluentform_7_errors' class='ff-errors-in-stack ff_form_instance_7_1 ff-form-loading_errors ff_form_instance_7_1_errors'><\/div><\/div>        <script type=\"text\/javascript\">\n            window.fluent_form_ff_form_instance_7_1 = {\"id\":\"7\",\"settings\":{\"layout\":{\"labelPlacement\":\"top\",\"asteriskPlacement\":\"asterisk-right\",\"helpMessagePlacement\":\"with_label\",\"errorMessagePlacement\":\"inline\",\"cssClassName\":\"\"},\"restrictions\":{\"denyEmptySubmission\":{\"enabled\":false}}},\"form_instance\":\"ff_form_instance_7_1\",\"form_id_selector\":\"fluentform_7\",\"rules\":{\"names[first_name]\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":true,\"global_message\":\"\\u8fd9\\u662f\\u5fc5\\u586b\\u680f\"}},\"names[middle_name]\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":true,\"global_message\":\"\\u8fd9\\u662f\\u5fc5\\u586b\\u680f\"}},\"names[last_name]\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":true,\"global_message\":\"\\u8fd9\\u662f\\u5fc5\\u586b\\u680f\"}},\"email\":{\"required\":{\"value\":true,\"message\":\"Email field is required\",\"global\":false,\"global_message\":\"\\u8fd9\\u662f\\u5fc5\\u586b\\u680f\"},\"email\":{\"value\":true,\"message\":\"This field must contain a valid email\",\"global\":true,\"global_message\":\"\\u6b64\\u5b57\\u6bb5\\u5fc5\\u987b\\u5305\\u542b\\u6709\\u6548\\u7684\\u7535\\u5b50\\u90ae\\u7bb1\\u5730\\u5740\"}},\"description\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":true,\"global_message\":\"\\u8fd9\\u662f\\u5fc5\\u586b\\u680f\"}}},\"debounce_time\":300};\n                    <\/script>","protected":false},"excerpt":{"rendered":"<p>As esferas de cer\u00e2mica Si3N4 s\u00e3o principalmente utilizadas em rolamentos de nitreto de sil\u00edcio de alta velocidade, esferas de cer\u00e2mica de qualidade m\u00e9dica, componentes Si3N4 resistentes a choques t\u00e9rmicos.<\/p>\n<p>&nbsp;<\/p>\n<h6>Destaques do produto<\/h6>\n<p>&nbsp;<\/p>\n<ul>\n<li>Resist\u00eancia superior: Resist\u00eancia excecional \u00e0 fratura (6-7 MPa-m\u00b9\/\u00b2), superior ao desempenho da alumina e da zirc\u00f3nia, ideal para aplica\u00e7\u00f5es de alto impacto.<\/li>\n<li>Leve e dur\u00e1vel: Densidade de 3,2-3,3 g\/cm\u00b3 com extrema resist\u00eancia ao desgaste, reduzindo a perda de energia em sistemas de alta velocidade.<\/li>\n<li>Resist\u00eancia ao choque t\u00e9rmico: Suporta varia\u00e7\u00f5es r\u00e1pidas de temperatura de -200\u00b0C a 1.200\u00b0C sem fissurar.<\/li>\n<li>Isolamento el\u00e9trico: As propriedades n\u00e3o condutoras evitam a corros\u00e3o galv\u00e2nica em sistemas el\u00e9ctricos\/electr\u00f3nicos.<\/li>\n<li>Biocompatibilidade: Certifica\u00e7\u00e3o ISO 10993 para implantes m\u00e9dicos e aplica\u00e7\u00f5es de qualidade alimentar.<\/li>\n<\/ul>","protected":false},"featured_media":2017,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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BALLS","author_link":"https:\/\/ysballs.com\/pt\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Si3N4 ceramic balls mainly used in high-speed silicon nitride bearings, medical-grade ceramic balls, thermal shock-resistant Si3N4 components. &nbsp; Product Highlights &nbsp; Superior Toughness: Exceptional fracture toughness (6-7 MPa\u00b7m\u00b9\/\u00b2), outperforming alumina and zirconia, ideal for high-impact applications. Lightweight &amp; Durable: Density of\u00a03.2-3.3 g\/cm\u00b3\u00a0with extreme wear resistance, reducing energy loss in high-speed systems. Thermal Shock Resistance: Withstands&hellip;","_links":{"self":[{"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/product\/698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/comments?post=698"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/media\/2017"}],"wp:attachment":[{"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/media?parent=698"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/product_brand?post=698"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/product_cat?post=698"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ysballs.com\/pt\/wp-json\/wp\/v2\/product_tag?post=698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}