{"id":132795,"date":"2024-07-05T11:29:26","date_gmt":"2024-07-05T03:29:26","guid":{"rendered":"https:\/\/www.alpapowder.com\/132795\/"},"modified":"2024-07-05T11:29:27","modified_gmt":"2024-07-05T03:29:27","slug":"ince-alumina-cesitleri-ve-uygulamalari","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/tr\/132795\/","title":{"rendered":"\u0130nce al\u00fcmina \u00e7e\u015fitleri ve uygulamalar\u0131"},"content":{"rendered":"

\"\"<\/p>\n

\u0130nce al\u00fcminan\u0131n bir\u00e7ok \u00e7e\u015fidi vard\u0131r ve yayg\u0131n olarak kullan\u0131l\u0131r. Bir\u00e7ok alanda tercih edilen malzemedir.<\/p>\n

Bu nedenle “hammaddenin geni\u015f kayna\u011f\u0131”, “her yerde bulunabilmesi”, “ucuz fiyat” ve “haz\u0131rlanmas\u0131n\u0131n kolay olmas\u0131” al\u00fcminan\u0131n etiketleri haline gelmi\u015ftir. K\u0131tl\u0131k, \u015feyleri de\u011ferli k\u0131lar. Bu etiketler, insanlar\u0131n al\u00fcminan\u0131n d\u00fc\u015f\u00fck kaliteli bir malzeme oldu\u011funu kolayca yanl\u0131\u015f anlamalar\u0131na neden olabilir. \u00d6ncelikle edit\u00f6r, bu etiketlerin al\u00fcminan\u0131n d\u00fc\u015f\u00fck kaliteli olup olmad\u0131\u011f\u0131n\u0131 belirleyemeyece\u011fine ancak al\u00fcminan\u0131n bir\u00e7ok alanda \u00e7ok uygun maliyetli bir malzeme oldu\u011funu g\u00f6sterebilece\u011fine inan\u0131yor. \u0130kinci olarak, fiyat, teknik i\u00e7erik, performans ve di\u011fer a\u00e7\u0131lardan bak\u0131ld\u0131\u011f\u0131nda bile al\u00fcmina “y\u00fcksek kaliteli \u00fcr\u00fcnler” aras\u0131nda eksik de\u011fildir. Bu “y\u00fcksek kaliteli \u00fcr\u00fcnler”, yar\u0131 iletkenler ve havac\u0131l\u0131k gibi y\u00fcksek hassasiyetli alanlarda yeri doldurulamaz bir rol oynamaktad\u0131r.<\/p>\n

Al\u00fcmina elyaf<\/p>\n

Al\u00fcmina elyaf\u0131n ana bile\u015feni al\u00fcminad\u0131r (Al2O3), yard\u0131mc\u0131 bile\u015fenleri ise SiO2<\/a>, B2O3, MgO vb.’dir. Y\u00fcksek performansl\u0131 bir inorganik elyaf ve uzun elyaf, k\u0131sa elyaf gibi \u00e7e\u015fitli formlara sahip bir polikristalin seramik elyaft\u0131r. kedi b\u0131y\u0131\u011f\u0131. Y\u00fcksek mukavemet, y\u00fcksek mod\u00fcl ve korozyon direnci gibi m\u00fckemmel \u00f6zelliklere sahiptir.<\/p>\n

Al2O3 elyaf\u0131n\u0131n uygulama alan\u0131 nispeten geni\u015ftir. Al2O3 k\u0131sa elyaf\u0131, y\u00fcksek performansl\u0131 kompozit malzemeler haz\u0131rlamak ve \u0131s\u0131tma f\u0131r\u0131nlar\u0131, f\u0131r\u0131n astarlar\u0131 ve elektronik bile\u015fen kalsinasyon f\u0131r\u0131nlar\u0131 gibi end\u00fcstriyel y\u00fcksek s\u0131cakl\u0131k f\u0131r\u0131nlar\u0131 \u00fcretmek i\u00e7in re\u00e7ine, metal veya seramik ile birle\u015ftirilebilir; Al2O3 s\u00fcrekli fiber takviyeli kompozit malzemeler, y\u00fcksek mukavemet, y\u00fcksek mod\u00fcl ve y\u00fcksek sertlik gibi m\u00fckemmel \u00f6zelliklere sahiptir. Matrisinin kullan\u0131m s\u0131ras\u0131nda oksitlenmesi ve bozulmas\u0131 kolay de\u011fildir. Ayn\u0131 zamanda m\u00fckemmel s\u00fcr\u00fcnme direncine sahiptir ve y\u00fcksek s\u0131cakl\u0131klarda lifin performans\u0131n\u0131n d\u00fc\u015fmesine neden olacak tane b\u00fcy\u00fcmesine neden olmaz. Y\u00fcksek s\u0131cakl\u0131\u011fa dayan\u0131kl\u0131 s\u0131cak u\u00e7 bile\u015fenleri i\u00e7in yeni nesil ana malzemeler olarak uluslararas\u0131 alanda tan\u0131nmaktad\u0131r ve b\u00fcy\u00fck bir geli\u015fme potansiyeline sahiptir; Fonksiyonel Al2O3 nanolifleri yukar\u0131daki \u00f6zelliklere ek olarak d\u00fc\u015f\u00fck \u0131s\u0131 iletkenli\u011fi, elektrik yal\u0131t\u0131m\u0131 ve y\u00fcksek spesifik y\u00fczey alan\u0131 gibi m\u00fckemmel \u00f6zelliklere de sahiptir. G\u00fc\u00e7lendirilmi\u015f kompozit malzemelerde, y\u00fcksek s\u0131cakl\u0131kta \u0131s\u0131 yal\u0131t\u0131m malzemelerinde, katalitik filtrasyon malzemelerinde vb. yayg\u0131n olarak kullan\u0131l\u0131rlar.<\/p>\n

Y\u00fcksek safl\u0131kta al\u00fcmina<\/p>\n

Y\u00fcksek safl\u0131kta al\u00fcmina (4N ve \u00fczeri), y\u00fcksek safl\u0131k, y\u00fcksek sertlik, y\u00fcksek mukavemet, y\u00fcksek s\u0131cakl\u0131k direnci, a\u015f\u0131nma direnci, iyi yal\u0131t\u0131m, kararl\u0131 kimyasal \u00f6zellikler, orta y\u00fcksek s\u0131cakl\u0131kta b\u00fcz\u00fclme performans\u0131, iyi sinterleme performans\u0131 ve optik, elektriksel avantajlara sahiptir. S\u0131radan al\u00fcmina tozunun e\u015fle\u015femeyece\u011fi manyetik, termal ve mekanik \u00f6zellikler. Modern kimya end\u00fcstrisinde en y\u00fcksek katma de\u011fere ve en geni\u015f uygulamaya sahip \u00fcst d\u00fczey malzemelerden biridir.<\/p>\n

\u015eu anda, y\u00fcksek kaliteli, y\u00fcksek safl\u0131kta al\u00fcmina esas olarak yar\u0131 iletken end\u00fcstrisinde lityum pil elektrot katk\u0131 maddeleri, kat\u0131 hal pil elektrolit dolgu maddeleri ve levha ta\u015flama ve cilalama i\u00e7in kullan\u0131lmaktad\u0131r.<\/p>\n

K\u00fcresel al\u00fcmina<\/p>\n

Al\u00fcmina tozu par\u00e7ac\u0131klar\u0131n\u0131n morfolojisi, bir\u00e7ok alanda uygulama performans\u0131n\u0131 do\u011frudan etkileyecektir. Yayg\u0131n d\u00fczensiz, lifli veya pul pul al\u00fcmina tozu par\u00e7ac\u0131klar\u0131yla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, k\u00fcresel al\u00fcmina d\u00fczenli bir morfolojiye, daha y\u00fcksek paketleme yo\u011funlu\u011funa, daha k\u00fc\u00e7\u00fck spesifik y\u00fczey alan\u0131na ve daha iyi ak\u0131\u015fkanl\u0131\u011fa sahiptir. Yayg\u0131n olarak termal iletken dolgu malzemesi, parlatma malzemesi, kataliz\u00f6r ta\u015f\u0131y\u0131c\u0131, y\u00fczey kaplama malzemesi vb. olarak kullan\u0131l\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0130nce al\u00fcminan\u0131n bir\u00e7ok \u00e7e\u015fidi vard\u0131r ve yayg\u0131n olarak kullan\u0131l\u0131r. Bir\u00e7ok alanda tercih edilen malzemedir.<\/p>\n","protected":false},"author":7,"featured_media":132758,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[851],"tags":[],"class_list":["post-132795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-endustri-haberleri-tr"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/132795"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/comments?post=132795"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/132795\/revisions"}],"predecessor-version":[{"id":132796,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/132795\/revisions\/132796"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media\/132758"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media?parent=132795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/categories?post=132795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/tags?post=132795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}