Korundov\u00e1 keramika je keramick\u00fd materi\u00e1l \u0161iroce pou\u017e\u00edvan\u00fd v pr\u016fmyslu a jej\u00ed produkce je nejvy\u0161\u0161\u00ed ze v\u0161ech oxidov\u00fdch keramik. Keramika z oxidu hlinit\u00e9ho m\u00e1 mnoho vynikaj\u00edc\u00edch vlastnost\u00ed, jako je vysok\u00e1 mechanick\u00e1 pevnost, vysok\u00e1 tvrdost, vysok\u00fd izola\u010dn\u00ed odpor, odolnost proti korozi, odolnost proti opot\u0159eben\u00ed a odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m. Lze ji pou\u017e\u00edt jako elektronickou keramiku, konstruk\u010dn\u00ed keramiku, chemickou a biologickou keramiku a je \u0161iroce vyu\u017e\u00edv\u00e1na v textiln\u00edm, uheln\u00e9m, chemick\u00e9m, ropn\u00e9m, energetick\u00e9m a stavebn\u00edm pr\u016fmyslu.<\/p>\n
Mezi b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 zp\u016fsoby tv\u00e1\u0159en\u00ed keramiky z oxidu hlinit\u00e9ho pat\u0159\u00ed such\u00e9 lisov\u00e1n\u00ed, lisov\u00e1n\u00ed za tepla a izostatick\u00e9 lisov\u00e1n\u00ed; tyto t\u0159i zp\u016fsoby tv\u00e1\u0159en\u00ed maj\u00ed sv\u00e9 specifick\u00e9 vlastnosti.<\/p>\n
V\u00fdrobek z\u00edskan\u00fd izostatick\u00fdm lisov\u00e1n\u00edm m\u00e1 vysokou hustotu, av\u0161ak investice do za\u0159\u00edzen\u00ed jsou vysok\u00e9, doch\u00e1z\u00ed k pl\u00fdtv\u00e1n\u00ed surovinou, doba tv\u00e1\u0159en\u00ed je dlouh\u00e1 a po tv\u00e1\u0159en\u00ed je nutn\u00e9 prov\u00e9st obr\u00e1b\u011bn\u00ed na soustruhu.<\/p>\n
Such\u00fdm lisov\u00e1n\u00edm lze vyr\u00e1b\u011bt keramiku z oxidu hlinit\u00e9ho r\u016fzn\u00fdch rozm\u011br\u016f, av\u0161ak investice do za\u0159\u00edzen\u00ed jsou vysok\u00e9, doch\u00e1z\u00ed k zna\u010dn\u00e9mu opot\u0159eben\u00ed forem a nelze t\u00edmto zp\u016fsobem vyr\u00e1b\u011bt v\u00fdrobky slo\u017eit\u00fdch tvar\u016f.<\/p>\n
Za\u0159\u00edzen\u00ed pro tv\u00e1\u0159en\u00ed metodou tlakov\u00e9ho lit\u00ed za tepla je jednoduch\u00e9 a n\u00e1kladov\u011b efektivn\u00ed \u2013 vy\u017eaduje mal\u00fd po\u010d\u00e1te\u010dn\u00ed kapit\u00e1l, vyzna\u010duje se mal\u00fdm opot\u0159eben\u00edm forem, snadnou obsluhou, vysokou v\u00fdrobn\u00ed efektivitou, men\u0161\u00edm pl\u00fdtv\u00e1n\u00edm surovin, p\u0159esn\u00fdmi rozm\u011bry v\u00fdrobk\u016f a dobr\u00fdm povrchov\u00fdm proveden\u00edm, av\u0161ak tak z\u00edskan\u00e1 keramika z oxidu hlinit\u00e9ho je hust\u00e1. Stabilita kvality nen\u00ed dobr\u00e1. P\u0159ed vyp\u00e1len\u00edm voskov\u00e9ho polotovaru je nutn\u00e9 vosk odstranit, co\u017e je energeticky n\u00e1ro\u010dn\u00e9 a vy\u017eaduje dlouhou dobu p\u0159\u00edpravy.<\/p>\n
P\u0159i samotn\u00e9 v\u00fdrob\u011b je t\u0159eba podle konkr\u00e9tn\u00ed velikosti izol\u00e1toru z oxidu hlinit\u00e9ho zvolit odpov\u00eddaj\u00edc\u00ed zp\u016fsob tv\u00e1\u0159en\u00ed.
\nv z\u00e1vislosti na po\u017eadavc\u00edch na tvar a hustotu. Izol\u00e1tory z oxidu hlinit\u00e9ho v\u011bt\u0161\u00edch rozm\u011br\u016f lze vyr\u00e1b\u011bt such\u00fdm lisov\u00e1n\u00edm nebo izostatick\u00fdm lisov\u00e1n\u00edm. Mal\u00e9 nebo tvarov\u011b slo\u017eit\u00e9 keramick\u00e9 d\u00edly z oxidu hlinit\u00e9ho lze vyr\u00e1b\u011bt metodou hork\u00e9ho tlakov\u00e9ho lit\u00ed, co\u017e je ve v\u00fdrob\u011b \u0161iroce pou\u017e\u00edvan\u00e1 metoda tv\u00e1\u0159en\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"
Alumina ceramic is a ceramic material widely used in industry, and its output is the largest among oxide ceramics. Alumina ceramic have many excellent performance, its high mechanical strength, high hardness, high insulation resistance, corrosion resistance, wear resistance, high temperature resistance, can be used as electronic ceramics, structural ceramics, chemical and biological ceramics, widely used… \u010c\u00edst d\u00e1le »metody tv\u00e1\u0159en\u00ed keramiky z oxidu hlinit\u00e9ho<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-25","post","type-post","status-publish","format-standard","hentry","category-technology"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/posts\/25","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/comments?post=25"}],"version-history":[{"count":3,"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/posts\/25\/revisions"}],"predecessor-version":[{"id":32,"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/posts\/25\/revisions\/32"}],"wp:attachment":[{"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/media?parent=25"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/categories?post=25"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminaceramic.net\/cs\/wp-json\/wp\/v2\/tags?post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}