{"id":2387,"date":"2026-06-15T07:10:13","date_gmt":"2026-06-15T07:10:13","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?p=2387"},"modified":"2026-06-15T07:10:25","modified_gmt":"2026-06-15T07:10:25","slug":"porous-silicon-carbide-sic-ceramic-support","status":"publish","type":"post","link":"https:\/\/www.xkh-ceramics.com\/pl\/porous-silicon-carbide-sic-ceramic-support\/","title":{"rendered":"Porowaty no\u015bnik ceramiczny z w\u0119glika krzemu (SiC): technologia spiekania w niskiej temperaturze i badanie w\u0142a\u015bciwo\u015bci u\u017cytkowych"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Porowate no\u015bniki ceramiczne z w\u0119glika krzemu (SiC) znajduj\u0105 szerokie zastosowanie w zaawansowanych systemach filtracji membranowej ze wzgl\u0119du na ich doskona\u0142\u0105 stabilno\u015b\u0107 termiczn\u0105, wysok\u0105 wytrzyma\u0142o\u015b\u0107 mechaniczn\u0105 oraz wyj\u0105tkow\u0105 odporno\u015b\u0107 chemiczn\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xkh-ceramics.com\/pl\/kategoria-produktu\/silicon-carbide-sic\/\">Materia\u0142y ceramiczne na bazie SiC <\/a>nadaj\u0105 si\u0119 szczeg\u00f3lnie do trudnych warunk\u00f3w eksploatacyjnych, takich jak filtracja w wysokich temperaturach, oczyszczanie \u015bciek\u00f3w i przetw\u00f3rstwo chemiczne. Jednak konwencjonalna ceramika SiC wymaga niezwykle wysokich temperatur spiekania (&gt;2000\u00b0C), co ogranicza produkcj\u0119 przemys\u0142ow\u0105 na du\u017c\u0105 skal\u0119.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aby sprosta\u0107 temu wyzwaniu, skutecznym rozwi\u0105zaniem okaza\u0142o si\u0119 niskotemperaturowe spiekanie w fazie ciek\u0142ej z wykorzystaniem dodatk\u00f3w szklanych.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/06\/Porous-Silicon-Carbide-SiC-Ceramic-Support-Low-Temperature-Sintering-Technology-and-Performance-Study.png\" alt=\"\" class=\"wp-image-2389\" srcset=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/06\/Porous-Silicon-Carbide-SiC-Ceramic-Support-Low-Temperature-Sintering-Technology-and-Performance-Study.png 800w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/06\/Porous-Silicon-Carbide-SiC-Ceramic-Support-Low-Temperature-Sintering-Technology-and-Performance-Study-300x225.png 300w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/06\/Porous-Silicon-Carbide-SiC-Ceramic-Support-Low-Temperature-Sintering-Technology-and-Performance-Study-768x576.png 768w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/06\/Porous-Silicon-Carbide-SiC-Ceramic-Support-Low-Temperature-Sintering-Technology-and-Performance-Study-16x12.png 16w, https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/06\/Porous-Silicon-Carbide-SiC-Ceramic-Support-Low-Temperature-Sintering-Technology-and-Performance-Study-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Strategia spiekania w niskiej temperaturze ceramiki SiC<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">W niniejszym badaniu <strong>fryt szklana zawieraj\u0105ca cyrkon<\/strong> uzyskany z niedrogiego \u0142upka zosta\u0142 wprowadzony jako \u015brodek wspomagaj\u0105cy spiekanie w celu poprawy wi\u0105zania w fazie ciek\u0142ej oraz znacznego obni\u017cenia temperatury spiekania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fryt\u0119 szklan\u0105 wytwarza si\u0119 poprzez stopienie surowc\u00f3w \u0142upkowych w temperaturze 1500\u00b0C, w wyniku czego powstaje uk\u0142ad szklany zawieraj\u0105cy wiele tlenk\u00f3w, w sk\u0142ad kt\u00f3rego wchodz\u0105:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SiO\u2082, Al\u2082O\u2083, CaO (struktura sieciowa)<\/li>\n\n\n\n<li>ZrO\u2082 (zwi\u0119ksza odporno\u015b\u0107 na korozj\u0119)<\/li>\n\n\n\n<li>Fe\u2082O\u2083, MgO, Na\u2082O, K\u2082O (zwi\u0119kszaj\u0105 aktywno\u015b\u0107 spiekania)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Takie podej\u015bcie pozwala na zag\u0119szczenie ceramiki SiC przy <strong>1100\u20131250 \u00b0C<\/strong>, co znacznie zmniejsza zu\u017cycie energii.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Surowce i proces produkcji<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">System surowcowy<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proszek w\u0119glika krzemu (SiC) (czysto\u015b\u0107 99,5%, D50 \u2248 15,1 \u03bcm)<\/li>\n\n\n\n<li>Frita szklana zawieraj\u0105ca cyrkon (dodatek do spiekania niskotemperaturowego)<\/li>\n\n\n\n<li>Cz\u0105stki grafitu (D50 \u2248 19,4 \u03bcm, \u015brodek porotw\u00f3rczy)<\/li>\n\n\n\n<li>Karboksymetyloceluloza (CMC, \u015brodek wi\u0105\u017c\u0105cy)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Etapy przetwarzania<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Mieszanie proszku SiC, fryty szklanej i grafitu w ustalonych proporcjach<\/li>\n\n\n\n<li>Mielenie kulowe z roztworem CMC 0,5% (30 minut)<\/li>\n\n\n\n<li>Suszenie i granulowanie<\/li>\n\n\n\n<li>Prasowanie jednoosiowe przy ci\u015bnieniu 30 MPa<\/li>\n\n\n\n<li>Spiekanie w temperaturze 1100\u20131250 \u00b0C przez 3 godziny<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Produktem ko\u0144cowym jest porowaty no\u015bnik ceramiczny z w\u0119glika krzemu (SiC) o stabilnej, wzajemnie po\u0142\u0105czonej sieci por\u00f3w.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Charakterystyka mikrostruktury i w\u0142a\u015bciwo\u015bci u\u017cytkowych<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Kontrola porowato\u015bci<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Porowato\u015b\u0107 mo\u017cna skutecznie regulowa\u0107 poprzez dostosowanie zawarto\u015bci fryty szklanej i grafitu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porowato\u015b\u0107: ~30%\u201340%<\/li>\n\n\n\n<li>Jednolita i sp\u00f3jna struktura por\u00f3w<\/li>\n\n\n\n<li>Stabilny rozk\u0142ad wielko\u015bci por\u00f3w<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Grafit ulega spaleniu podczas spiekania, tworz\u0105c ci\u0105g\u0142e otwarte kana\u0142y, kt\u00f3re zwi\u0119kszaj\u0105 przepuszczalno\u015b\u0107.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Wytrzyma\u0142o\u015b\u0107 mechaniczna<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">W zoptymalizowanych warunkach (frita szklana 20%, grafit 15%, spiekanie w temperaturze 1180\u00b0C):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wytrzyma\u0142o\u015b\u0107 na zginanie: <strong>67,1 MPa<\/strong><\/li>\n\n\n\n<li>Zr\u00f3wnowa\u017cona zale\u017cno\u015b\u0107 mi\u0119dzy wytrzyma\u0142o\u015bci\u0105 a porowato\u015bci\u0105<\/li>\n\n\n\n<li>Trwa\u0142a integralno\u015b\u0107 konstrukcyjna<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Faza szklista poprawia wi\u0105zanie cz\u0105stek i zwi\u0119ksza stabilno\u015b\u0107 strukturaln\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Analiza sk\u0142adu fazowego<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wyniki dyfrakcji rentgenowskiej wskazuj\u0105, \u017ce:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Faza g\u0142\u00f3wna: SiC<\/li>\n\n\n\n<li>Wyst\u0119puje niewielka ilo\u015b\u0107 fazy szklistej<\/li>\n\n\n\n<li>Nie zaobserwowano \u017cadnych destrukcyjnych faz wt\u00f3rnych<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Potwierdza to, \u017ce mechanizm zag\u0119szczania opiera si\u0119 g\u0142\u00f3wnie na spiekaniu w fazie ciek\u0142ej.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Mikrostruktura (obserwacja pod mikroskopem skaningowym SEM)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Analiza mikrostrukturalna wykaza\u0142a, \u017ce:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00f3wnomierny rozk\u0142ad cz\u0105stek SiC<\/li>\n\n\n\n<li>Wi\u0105zanie w fazie szklistej mi\u0119dzy cz\u0105stkami<\/li>\n\n\n\n<li>Dobrze rozwini\u0119te, po\u0142\u0105czone ze sob\u0105 kana\u0142y porowe<\/li>\n\n\n\n<li>\u015arednia wielko\u015b\u0107 por\u00f3w: <strong>1,37 \u03bcm<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Konstrukcja ta doskonale nadaje si\u0119 do zastosowa\u0144 zwi\u0105zanych z filtracj\u0105 membranow\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Przepuszczalno\u015b\u0107 i strumie\u0144 wody<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zoptymalizowany porowaty no\u015bnik z SiC charakteryzuje si\u0119:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u015arednia wielko\u015b\u0107 por\u00f3w: 1,37 \u03bcm<\/li>\n\n\n\n<li>Przep\u0142yw czystej wody: <strong>8075 l\/(m\u00b2\u00b7h\u00b7bar)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u015awiadczy to o doskona\u0142ych w\u0142a\u015bciwo\u015bciach przepuszczalno\u015bciowych w systemach mikrofiltracji.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Odporno\u015b\u0107 na korozj\u0119 kwasow\u0105 i alkaliczn\u0105<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Stabilno\u015b\u0107 chemiczn\u0105 oceniano w ekstremalnych warunkach:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u015arodowisko kwa\u015bne: pH = 0 (H\u2082SO\u2084, 80\u00b0C)<\/li>\n\n\n\n<li>\u015arodowisko zasadowe: pH = 14 (NaOH, 80\u00b0C)<\/li>\n\n\n\n<li>Czas zanurzenia: 24 godziny<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Wyniki:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zachowanie wytrzyma\u0142o\u015bci na zginanie po obr\u00f3bce kwasem: <strong>47,4 MPa (strata 29,41 TP3T)<\/strong><\/li>\n\n\n\n<li>Zachowanie wytrzyma\u0142o\u015bci na zginanie po obr\u00f3bce alkalicznej: <strong>46,7 MPa (strata 30,41 TP3T)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00f3bka zawieraj\u0105ca fryt\u0119 szklan\u0105 20% wykazuje najlepsz\u0105 og\u00f3ln\u0105 stabilno\u015b\u0107 chemiczn\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u0142\u00f3wne zalety porowatych podp\u00f3r ceramicznych z w\u0119glika krzemu (SiC)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2714 Spiekanie w niskiej temperaturze (1100\u20131250 \u00b0C)<\/li>\n\n\n\n<li>\u2714 Wysoka porowato\u015b\u0107 (~36%)<\/li>\n\n\n\n<li>\u2714 Wysoka wytrzyma\u0142o\u015b\u0107 na zginanie (67,1 MPa)<\/li>\n\n\n\n<li>\u2714 Bardzo wysoki przep\u0142yw wody (8075 L\/m\u00b2\u00b7h\u00b7bar)<\/li>\n\n\n\n<li>\u2714 Doskona\u0142a odporno\u015b\u0107 na kwasy i zasady<\/li>\n\n\n\n<li>\u2714 Niedrogie surowce (fryt szklany pochodz\u0105cy z \u0142upk\u00f3w)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zastosowania przemys\u0142owe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Porowate pod\u0142o\u017ca ceramiczne z w\u0119glika krzemu (SiC) znajduj\u0105 szerokie zastosowanie w:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Membrany do oczyszczania \u015bciek\u00f3w przemys\u0142owych<\/li>\n\n\n\n<li>Systemy filtracji gaz\u00f3w wysokotemperaturowych<\/li>\n\n\n\n<li>Urz\u0105dzenia do separacji chemicznej i oczyszczania<\/li>\n\n\n\n<li>Konstrukcje no\u015bne katalizator\u00f3w<\/li>\n\n\n\n<li>Precyzyjne membrany mikrofiltracyjne<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Wnioski<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">W niniejszym badaniu przedstawiono ekonomiczne podej\u015bcie do wytwarzania porowatych no\u015bnik\u00f3w ceramicznych z w\u0119glika krzemu (SiC) z wykorzystaniem frytki ze szk\u0142a cyrkonowego pochodz\u0105cego z \u0142upk\u00f3w jako \u015brodka wspomagaj\u0105cego spiekanie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do najwa\u017cniejszych wynik\u00f3w nale\u017c\u0105:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Znaczne obni\u017cenie temperatury spiekania<\/li>\n\n\n\n<li>Lepsza kontrola nad struktur\u0105 por\u00f3w<\/li>\n\n\n\n<li>Lepsze w\u0142a\u015bciwo\u015bci mechaniczne i przepuszczalno\u015bciowe<\/li>\n\n\n\n<li>Wysoka odporno\u015b\u0107 na \u015brodowiska kwa\u015bne i zasadowe<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Technologia ta otwiera obiecuj\u0105ce perspektywy dla zastosowania na szerok\u0105 skal\u0119 w przemy\u015ble ceramicznych no\u015bnik\u00f3w membranowych na bazie SiC w trudnych warunkach eksploatacyjnych.<\/p>","protected":false},"excerpt":{"rendered":"<p>Silicon Carbide (SiC) porous ceramic supports are widely used in advanced membrane filtration systems due to their excellent thermal stability, high mechanical strength, and superior chemical resistance. SiC-based ceramic materials are especially suitable for harsh environments such as high-temperature filtration, wastewater treatment, and chemical processing. However, conventional SiC ceramics require extremely high sintering temperatures (>2000\u00b0C), [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[753,749,751,756,748,750,755,752,754],"class_list":["post-2387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-acid-resistant-ceramic","tag-alkali-resistant-sic","tag-ceramic-filtration-membrane","tag-high-flux-ceramic-membrane","tag-low-temperature-sintering-sic","tag-porous-ceramic-materials","tag-porous-silicon-carbide-ceramic","tag-sic-ceramic-support","tag-silicon-carbide-membrane-support"],"_links":{"self":[{"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/posts\/2387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/comments?post=2387"}],"version-history":[{"count":1,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/posts\/2387\/revisions"}],"predecessor-version":[{"id":2390,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/posts\/2387\/revisions\/2390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/media\/2389"}],"wp:attachment":[{"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/media?parent=2387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/categories?post=2387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pl\/wp-json\/wp\/v2\/tags?post=2387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}