{"id":45,"date":"2014-06-06T13:29:21","date_gmt":"2014-06-06T05:29:21","guid":{"rendered":"http:\/\/zirconia-ceramics.com\/?page_id=45"},"modified":"2014-06-06T13:46:03","modified_gmt":"2014-06-06T05:46:03","slug":"zro2-toughened-ceramic","status":"publish","type":"page","link":"https:\/\/zirconia-ceramics.com\/hu\/zro2-edzett-keramia\/","title":{"rendered":"Zro2 edzett ker\u00e1mia"},"content":{"rendered":"<p>A cirk\u00f3nia kem\u00e9ny\u00edtett alum\u00ednium-oxid (ZTA) ker\u00e1mia jelent\u0151s javul\u00e1st mutat a szil\u00e1rds\u00e1g \u00e9s a sz\u00edv\u00f3ss\u00e1g ter\u00e9n az alum\u00ednium-oxid ker\u00e1mi\u00e1khoz k\u00e9pest.A tipikus tartalom 10% \u00e9s 20% k\u00f6z\u00f6tti cirk\u00f3nium-dioxid. Amikor egy reped\u00e9s \u00e1tn\u0151 a ker\u00e1mi\u00e1n, a cirk\u00f3nium-dioxid r\u00e9szecsk\u00e9k krist\u00e1lyszerkezete a reped\u00e9s k\u00f6rny\u00e9k\u00e9n a metastabil tetragon\u00e1lis f\u00e1zisb\u00f3l a stabil monoklin f\u00e1zisba v\u00e1ltozik.A v\u00e1ltoz\u00e1s k\u00f6r\u00fclbel\u00fcl 3-4%-tal n\u00f6veli a r\u00e9szecsk\u00e9k t\u00e9rfogat\u00e1t, \u00e9s nyom\u00f3fesz\u00fclts\u00e9geket hoz l\u00e9tre az alum\u00ednium-oxid m\u00e1trixban. Ezek a fesz\u00fclts\u00e9gek viszont lez\u00e1rj\u00e1k a reped\u00e9st, \u00e9s energiag\u00e1tk\u00e9nt hatnak a tov\u00e1bbi reped\u00e9sn\u00f6veked\u00e9sre. A cirk\u00f3nium-dioxid hozz\u00e1ad\u00e1sa az alum\u00ednium-oxid m\u00e1trixhoz k\u00e9tszeres\u00e9re n\u00f6veli a t\u00f6r\u00e9si sz\u00edv\u00f3ss\u00e1got, \u00e9s ak\u00e1r n\u00e9gyszeres\u00e9re is javulhat, m\u00edg a szil\u00e1rds\u00e1g t\u00f6bb mint k\u00e9tszeres\u00e9re n\u0151. zro2 kem\u00e9ny\u00edtett ker\u00e1mia alkatr\u00e9szek dr\u00e1g\u00e1bbak, mint az alfa-alum\u00ednium-oxidb\u00f3l k\u00e9sz\u00fcltek. Az alkatr\u00e9szek megn\u00f6vekedett \u00e9lettartama \u00e9s teljes\u00edtm\u00e9nye miatt azonban k\u00f6lts\u00e9ghat\u00e9kony megold\u00e1sokat k\u00edn\u00e1lnak az ig\u00e9nyes k\u00f6rnyezetekben.<\/p>\n<p>ZTA ker\u00e1mi\u00e1t (cirk\u00f3nium-dioxid kem\u00e9ny\u00edtett alum\u00ednium-oxid alap\u00fa ker\u00e1mia) is k\u00e9sz\u00edthet\u00fcnk az \u00d6n ig\u00e9nyei szerint.<\/p>\n<p>Az al\u00e1bbiakban a fot\u00f3 a ZTA ker\u00e1mia b\u00e9l\u00e9s kop\u00e1s\u00e1ll\u00f3, amely k\u00f6r\u00fclbel\u00fcl 20% cirk\u00f3nium-dioxidot \u00e9s 80% alum\u00ednium-dioxidot tartalmaz.A m\u00e9ret 150 * 100 * 50mm<\/p>\n<p><a href=\"http:\/\/zirconia-ceramics.com\/wp-content\/uploads\/2014\/06\/Zirconia-toughened-ceramic.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-46\" alt=\"Cirk\u00f3nia edzett ker\u00e1mia\" src=\"http:\/\/zirconia-ceramics.com\/wp-content\/uploads\/2014\/06\/Zirconia-toughened-ceramic-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/zirconia-ceramics.com\/wp-content\/uploads\/2014\/06\/Zirconia-toughened-ceramic-300x225.jpg 300w, https:\/\/zirconia-ceramics.com\/wp-content\/uploads\/2014\/06\/Zirconia-toughened-ceramic-624x468.jpg 624w, https:\/\/zirconia-ceramics.com\/wp-content\/uploads\/2014\/06\/Zirconia-toughened-ceramic.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Zirconia Toughened Alumina (ZTA) ceramic show considerable improvement in strength and toughness over alumina ceramics.Typical content is from 10% to 20% zirconia. When a crack grows through the ceramic,the zirconia particles rystal structure in the region of the crack changes from the metastable tetragonal phase to the stable monoclinic phase.The change increases the volume of [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-45","page","type-page","status-publish","czr-hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/pages\/45"}],"collection":[{"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/comments?post=45"}],"version-history":[{"count":6,"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/pages\/45\/revisions"}],"predecessor-version":[{"id":53,"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/pages\/45\/revisions\/53"}],"wp:attachment":[{"href":"https:\/\/zirconia-ceramics.com\/hu\/wp-json\/wp\/v2\/media?parent=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}