{"id":1764,"date":"2021-01-20T10:21:27","date_gmt":"2021-01-20T09:21:27","guid":{"rendered":"https:\/\/www.redhillballs.com\/produkty\/keramicke-kulicky\/kulicky-z-oxidu-hliniteho-al2o3-korund\/"},"modified":"2025-10-25T13:26:43","modified_gmt":"2025-10-25T11:26:43","slug":"gulicky-z-oxidu-hliniteho-al203-korund","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/sk\/produkty\/keramicke-gulicky\/gulicky-z-oxidu-hliniteho-al203-korund\/","title":{"rendered":"Guli\u010dky z Oxidu Hlinit\u00e9ho Al203 (Korund)"},"content":{"rendered":"<h2 data-start=\"212\" data-end=\"289\">\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Aluminium_oxide\"> Guli\u010dky z oxidu hlinit\u00e9ho (Al\u2082O\u2083) \u2013 vysoko v\u00fdkonn\u00e9 presn\u00e9 komponenty<\/a><\/h2>\n<p data-start=\"212\" data-end=\"289\">Guli\u010dky z oxidu hlinit\u00e9ho s\u00fa modern\u00e9 in\u017einierske komponenty zn\u00e1me svojou v\u00fdnimo\u010dnou tvrdos\u0165ou, n\u00edzkou hustotou, vynikaj\u00facou tepelnou a oteruvzdornos\u0165ou a stabiln\u00fdm <strong data-start=\"458\" data-end=\"482\">chemick\u00fdm zlo\u017een\u00edm<\/strong>. Vysok\u00e1 \u010distota Al\u2082O\u2083 zabezpe\u010duje vynikaj\u00facu odolnos\u0165 proti kor\u00f3zii a kompatibilitu s chemick\u00fdm prostred\u00edm, \u010do ich rob\u00ed ide\u00e1lnymi pre n\u00e1ro\u010dn\u00e9 aplik\u00e1cie v leteckom priemysle, hybridn\u00fdch a plne keramick\u00fdch lo\u017eisk\u00e1ch, vysokor\u00fdchlostn\u00fdch rota\u010dn\u00fdch syst\u00e9moch a zariadeniach na chemick\u00e9 spracovanie.<\/p>\n<h3 data-start=\"766\" data-end=\"801\">\ud83d\udd27 K\u013e\u00fa\u010dov\u00e9 technick\u00e9 \u0161pecifik\u00e1cie<\/h3>\n<ul>\n<li data-start=\"805\" data-end=\"831\"><strong data-start=\"805\" data-end=\"816\">Hustota<\/strong>: ~3.95 g\/cm\u00b3<\/li>\n<li data-start=\"834\" data-end=\"857\"><strong data-start=\"834\" data-end=\"846\">Tvrdos\u0165<\/strong>: ~70 HRC<\/li>\n<li data-start=\"860\" data-end=\"897\"><strong data-start=\"860\" data-end=\"881\">Ohybov\u00e1 pevnos\u0165<\/strong>: ~150,000 psi<\/li>\n<li data-start=\"900\" data-end=\"944\"><strong data-start=\"900\" data-end=\"924\">Pevnos\u0165 v tlaku<\/strong>: ~2,500\u20133,000 MPa<\/li>\n<li data-start=\"947\" data-end=\"978\"><strong data-start=\"947\" data-end=\"966\">Modul pru\u017enosti<\/strong>: ~200 GPa<\/li>\n<li data-start=\"981\" data-end=\"1026\"><strong data-start=\"981\" data-end=\"1009\">H\u00fa\u017eevnatos\u0165 lomu (K\u2081c)<\/strong>: ~3\u20135 MPa\u00b7m\u2070\u00b7\u2075<\/li>\n<li data-start=\"1029\" data-end=\"1076\"><strong data-start=\"1029\" data-end=\"1053\">Tepeln\u00e1 vodivos\u0165<\/strong>: ~30 W\/(m\u00b7K) pri 20\u00b0C<\/li>\n<li data-start=\"1079\" data-end=\"1140\"><strong data-start=\"1079\" data-end=\"1121\">Koeficient tepelnej roz\u0165a\u017enosti (CTE)<\/strong>: ~8.5 \u00d7 10\u207b\u2076 \/\u00b0C<\/li>\n<li data-start=\"1143\" data-end=\"1206\"><strong data-start=\"1143\" data-end=\"1169\">Elektrick\u00fd odpor<\/strong>: &gt;10\u00b9\u00b2 \u03a9\u00b7cm (elektrick\u00fd izolant)<\/li>\n<li data-start=\"1209\" data-end=\"1252\"><strong data-start=\"1209\" data-end=\"1234\">Prev\u00e1dzkov\u00e1 teplota<\/strong>: do ~1,600\u00b0C<\/li>\n<li data-start=\"1255\" data-end=\"1306\"><strong data-start=\"1255\" data-end=\"1268\">Ch\u00e9mia<\/strong>: \u226599.5% Al\u2082O\u2083 (vysok\u00e1 \u010distota oxidu hlinit\u00e9ho)<\/li>\n<\/ul>\n<h3 data-start=\"1313\" data-end=\"1329\">\u2705 V\u00fdhody<\/h3>\n<ul>\n<li data-start=\"1333\" data-end=\"1422\"><strong data-start=\"1333\" data-end=\"1370\">Vysok\u00e1 tvrdos\u0165 a odolnos\u0165 proti opotrebeniu<\/strong>: Zabezpe\u010duje dlh\u00fa \u017eivotnos\u0165 v extr\u00e9mnych podmienkach.<\/li>\n<li data-start=\"1425\" data-end=\"1541\"><strong data-start=\"1425\" data-end=\"1470\">Stabiln\u00e1 ch\u00e9mia a odolnos\u0165 proti kor\u00f3zii<\/strong>: Kompatibiln\u00e9 s chemick\u00fdm prostred\u00edm vr\u00e1tane kysel\u00edn a z\u00e1sad.<\/li>\n<li data-start=\"1544\" data-end=\"1651\"><strong data-start=\"1544\" data-end=\"1589\">N\u00edzka hustota a zn\u00ed\u017een\u00e1 odstrediv\u00e1 sila<\/strong>: \u013dah\u0161ie ako oce\u013e, umo\u017e\u0148uj\u00fa vy\u0161\u0161ie r\u00fdchlosti a efektivitu.<\/li>\n<li data-start=\"1654\" data-end=\"1770\"><strong data-start=\"1654\" data-end=\"1703\">V\u00fdborn\u00e1 tepeln\u00e1 stabilita a n\u00edzka roz\u0165a\u017enos\u0165<\/strong>: Zachov\u00e1va \u0161truktur\u00e1lnu integritu pri r\u00fdchlych zmen\u00e1ch teploty.<\/li>\n<li data-start=\"1773\" data-end=\"1890\"><strong data-start=\"1773\" data-end=\"1826\">Elektrick\u00e1 izol\u00e1cia a nemagnetick\u00e9 vlastnosti<\/strong>: Ide\u00e1lne pre motory, senzory a chemicky citliv\u00e9 syst\u00e9my.<\/li>\n<li data-start=\"1893\" data-end=\"1966\"><strong data-start=\"1893\" data-end=\"1920\">Vysok\u00e1 h\u00fa\u017eevnatos\u0165 lomu<\/strong>: Odoln\u00e9 proti n\u00e1razom a mechanick\u00e9mu za\u0165a\u017eeniu.<\/li>\n<li data-start=\"1969\" data-end=\"2056\"><strong data-start=\"1969\" data-end=\"1990\">Pred\u013a\u017een\u00e1 \u017eivotnos\u0165<\/strong>: N\u00edzke trenie zni\u017euje potrebu mazania a \u00fadr\u017eby.<\/li>\n<\/ul>\n<h3 data-start=\"2063\" data-end=\"2082\">\ud83d\udd04 Aplik\u00e1cie guli\u010diek z oxidu hlinit\u00e9ho<\/h3>\n<p data-start=\"2084\" data-end=\"2187\">Keramick\u00e9 guli\u010dky z oxidu hlinit\u00e9ho (Al\u2082O\u2083) sa pou\u017e\u00edvaj\u00fa v \u0161irokej \u0161k\u00e1le vysokov\u00fdkonn\u00fdch aplik\u00e1ci\u00ed vr\u00e1tane:<\/p>\n<ul>\n<li data-start=\"2191\" data-end=\"2277\"><strong data-start=\"2191\" data-end=\"2227\">Hybridn\u00e9 a plne keramick\u00e9 lo\u017eisk\u00e1<\/strong>: Pre vysokor\u00fdchlostn\u00e9 rota\u010dn\u00e9 syst\u00e9my s n\u00edzkym tren\u00edm.<\/li>\n<li data-start=\"2280\" data-end=\"2356\"><strong data-start=\"2280\" data-end=\"2314\">Leteck\u00e9 motory a turb\u00edny<\/strong>: Overen\u00e9 v kritick\u00fdch pohonn\u00fdch syst\u00e9moch.<\/li>\n<li data-start=\"2359\" data-end=\"2451\"><strong data-start=\"2359\" data-end=\"2391\">Elektromobily a motory<\/strong>: Poskytuj\u00fa izol\u00e1ciu a odolnos\u0165 v trak\u010dn\u00fdch syst\u00e9moch.<\/li>\n<li data-start=\"2454\" data-end=\"2522\"><strong data-start=\"2454\" data-end=\"2471\">Vetern\u00e9 turb\u00edny<\/strong>: Dlhodob\u00e1 spo\u013eahlivos\u0165 pri vysok\u00fdch dynamick\u00fdch za\u0165a\u017eeniach.<\/li>\n<li data-start=\"2525\" data-end=\"2605\"><strong data-start=\"2525\" data-end=\"2558\">Chemick\u00e9 spracovate\u013esk\u00e9 zariadenia<\/strong>: Odoln\u00e9 vo\u010di koroz\u00edvnym chemik\u00e1li\u00e1m a kyselin\u00e1m.<\/li>\n<li data-start=\"2608\" data-end=\"2712\"><strong data-start=\"2608\" data-end=\"2647\">Polovodi\u010dov\u00e9 a medic\u00ednske zariadenia<\/strong>: Nemagnetick\u00e9 a dielektrick\u00e9 vlastnosti pre citliv\u00e9 syst\u00e9my.<\/li>\n<li data-start=\"2715\" data-end=\"2809\"><strong data-start=\"2715\" data-end=\"2766\">Priemyseln\u00e9 n\u00e1stroje a vysokoteplotn\u00e9 stroje<\/strong>: Odoln\u00e9 proti teplu, chemik\u00e1li\u00e1m a opotrebovaniu.<\/li>\n<\/ul>\n<h3 data-start=\"2816\" data-end=\"2849\">\ud83d\udce6 Dostupn\u00e9 triedy a ve\u013ekosti<\/h3>\n<p data-start=\"2851\" data-end=\"2933\">Keramick\u00e9 guli\u010dky z oxidu hlinit\u00e9ho s\u00fa dostupn\u00e9 v \u0161irokom rozsahu presn\u00fdch tried a ve\u013ekost\u00ed:<\/p>\n<ul>\n<li data-start=\"2937\" data-end=\"2965\"><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong data-start=\"2937\" data-end=\"2947\">Triedy<\/strong>: G25, G50, G100<\/a><\/li>\n<li data-start=\"2968\" data-end=\"2999\"><strong data-start=\"2968\" data-end=\"2981\">Priemery<\/strong>: 0.5 mm \u2013 50 mm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Guli\u010dky z oxidu hlinit\u00e9ho (Al\u2082O\u2083) \u2013 vysoko v\u00fdkonn\u00e9 presn\u00e9 komponenty Guli\u010dky z oxidu hlinit\u00e9ho s\u00fa modern\u00e9 in\u017einierske komponenty zn\u00e1me svojou v\u00fdnimo\u010dnou tvrdos\u0165ou, n\u00edzkou hustotou, vynikaj\u00facou tepelnou a oteruvzdornos\u0165ou a stabiln\u00fdm chemick\u00fdm zlo\u017een\u00edm. Vysok\u00e1 \u010distota Al\u2082O\u2083 zabezpe\u010duje vynikaj\u00facu odolnos\u0165 proti kor\u00f3zii a kompatibilitu s chemick\u00fdm prostred\u00edm, \u010do ich rob\u00ed ide\u00e1lnymi pre n\u00e1ro\u010dn\u00e9 aplik\u00e1cie v leteckom [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8971,"parent":1761,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1764","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Guli\u010dky z oxidu hlinit\u00e9ho Al2O3, Korund, vysok\u00e1 tvrdos\u0165 a odolnos\u0165<\/title>\n<meta name=\"description\" content=\"Guli\u010dky z oxidu hlinit\u00e9ho: pre mie\u0161adl\u00e1, \u010derpadl\u00e1, ventily, prietokomery a vysokoot\u00e1\u010dkov\u00e9 lo\u017eisk\u00e1 v ch\u00e9mii a farm\u00e1cii; 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