{"id":1404,"date":"2024-05-22T15:15:51","date_gmt":"2024-05-22T07:15:51","guid":{"rendered":"https:\/\/test.srqwj.com\/?p=1404"},"modified":"2024-05-22T15:15:55","modified_gmt":"2024-05-22T07:15:55","slug":"2024-di-1-pian-3d-da-yin-nature","status":"publish","type":"post","link":"https:\/\/srqwj.com\/tr\/repository\/2024-di-1-pian-3d-da-yin-nature\/","title":{"rendered":"2024 1. 3D bask\u0131 do\u011fas\u0131"},"content":{"rendered":"
2024'te 3D bask\u0131 teknolojisi alan\u0131ndaki ilk Nature makalesi 27 \u015eubat'ta yay\u0131nland\u0131. \u00c7in Bilimler Akademisi Metaller Enstit\u00fcs\u00fc'nden bir ara\u015ft\u0131rma ekibi, \"Neredeyse bo\u015fluksuz 3D bask\u0131 yoluyla bir titanyum ala\u015f\u0131m\u0131nda y\u00fcksek yorulma direnci\" ba\u015fl\u0131kl\u0131 bir makale yay\u0131nlad\u0131.<\/p>\n\n\n\n
Makale, 3D bask\u0131l\u0131 mikro yap\u0131lar\u0131n do\u011fal olarak y\u00fcksek bir yorulma direncine sahip oldu\u011funu ve bu \u00f6zelli\u011fin bozulmas\u0131n\u0131n mikro g\u00f6zeneklerin varl\u0131\u011f\u0131ndan kaynaklanabilece\u011fini savunuyor. Mikro g\u00f6zenekleri ortadan kald\u0131rmaya y\u00f6nelik geleneksel \u00e7abalar genellikle dokunun kabala\u015fmas\u0131na neden olurken, dokunun yeniden iyile\u015ftirilmesi s\u00fcreci g\u00f6zeneklili\u011fin tekrarlanmas\u0131na yol a\u00e7makta ve hatta tane s\u0131n\u0131rlar\u0131nda \u03b1-faz zenginle\u015fmesi gibi yeni dezavantajlar\u0131 tetikleyerek hem gelen hem de giden \u00e7abalar i\u00e7in mikroyap\u0131 ikilemini zorla\u015ft\u0131rmaktad\u0131r.
CAS ekibi, \u0131s\u0131l i\u015flem ara\u015ft\u0131rmalar\u0131 s\u0131ras\u0131nda, y\u00fcksek s\u0131cakl\u0131klarda 3D bask\u0131l\u0131 titanyum ala\u015f\u0131mlar\u0131n\u0131n faz d\u00f6n\u00fc\u015f\u00fcm\u00fc ve tane b\u00fcy\u00fcmesinin e\u015fzamans\u0131z oldu\u011fu \u00f6nemli bir i\u015flem sonras\u0131 s\u00fcre\u00e7 penceresi ke\u015ffetti. \u03b1'dan \u03b2 faz\u0131na ge\u00e7i\u015f, yeterli a\u015f\u0131r\u0131 \u0131s\u0131nma ile hemen ger\u00e7ekle\u015fir ve \u03b2 faz\u0131n\u0131n b\u00fcy\u00fcme s\u0131cakl\u0131\u011f\u0131na ula\u015f\u0131lmas\u0131na ra\u011fmen, tane s\u0131n\u0131rlar\u0131n\u0131n kendilerini yeniden d\u00fczenlemek i\u00e7in bir gebelik s\u00fcresine ihtiyac\u0131 vard\u0131r. Bu de\u011ferli \u0131s\u0131l i\u015flem penceresinden yararlanan ara\u015ft\u0131rmac\u0131lar, s\u0131cak izostatik preslemeyi y\u00fcksek s\u0131cakl\u0131kta k\u0131sa s\u00fcreli i\u015flemle birle\u015ftiren, hem doku inceltme sa\u011flayan hem de \u03b1-faz zenginle\u015fmesinin yan\u0131 s\u0131ra mikro g\u00f6zeneklerin yeniden ortaya \u00e7\u0131kmas\u0131n\u0131 \u00f6nleyen ve sonu\u00e7ta neredeyse hi\u00e7 mikro g\u00f6zenek i\u00e7ermeyen 3D bask\u0131l\u0131 titanyum ala\u015f\u0131mlar\u0131 haz\u0131rlayan bir \u0131s\u0131l i\u015flem y\u00f6ntemi belirlediler.<\/p>\n\n\n