{"id":7220,"date":"2026-05-14T12:21:32","date_gmt":"2026-05-14T10:21:32","guid":{"rendered":"https:\/\/ustarch.sav.sk\/sk\/?page_id=7220"},"modified":"2026-05-15T12:32:15","modified_gmt":"2026-05-15T10:32:15","slug":"skumanie-degradacneho-vplyvu-vysokej-teploty-a-tlaku","status":"publish","type":"page","link":"https:\/\/ustarch.sav.sk\/sk\/sk\/archiv\/skumanie-degradacneho-vplyvu-vysokej-teploty-a-tlaku\/","title":{"rendered":"Sk\u00famanie degrada\u010dn\u00e9ho vplyvu vysokej teploty a tlaku"},"content":{"rendered":"<p>Tvorba a stabilita nanokry\u0161talick\u00fdch a kry\u0161talick\u00fdch f\u00e1z vyskytuj\u00facich sa v cementov\u00fdch syst\u00e9moch pri vy\u0161\u0161\u00edch teplot\u00e1ch a tlakoch v\u00fdznamne ovplyv\u0148uje vlastnosti materi\u00e1lov, a t\u00fdm aj trvanlivos\u0165 a \u017eivotnos\u0165 geoterm\u00e1lnych vrtov. Transform\u00e1cie prim\u00e1rnych, preva\u017ene amorfn\u00fdch, hydrata\u010dn\u00fdch produktov nad 100 \u00b0C na kry\u0161talick\u00e9, ktor\u00e9 sprev\u00e1dzaj\u00fa zv\u00fd\u0161enie priepustnosti a degrad\u00e1ciu pevnosti, s\u00fa \u0161iroko sk\u00faman\u00e9. V\u00e4\u010d\u0161ina t\u00fdchto \u0161t\u00fadi\u00ed sa v\u0161ak zaober\u00e1 vplyvom hydroterm\u00e1lnych podmienok a vysok\u00fdch tepl\u00f4t a zanedb\u00e1va vplyv vy\u0161\u0161\u00edch tlakov. Hoci sa zvy\u010dajne prezentuje iba kinetick\u00fd aspekt tlaku, uk\u00e1zalo sa, \u017ee vysok\u00e9 tlaky m\u00f4\u017eu ovplyvni\u0165 aj mikro\u0161trukt\u00faru, tvorbu a stabilitu kry\u0161talick\u00fdch f\u00e1z a ich rozlo\u017eenie v materi\u00e1li.<\/p>\n<p>V\u00fdskum v tejto oblasti v\u00fdskumu je zameran\u00fd na:<br \/>\n\u2022 vplyv vysok\u00fdch tepl\u00f4t na skor\u00e9 a stredn\u00e9 \u0161t\u00e1di\u00e1 hydrat\u00e1cie viaczlo\u017ekov\u00fdch cementov\u00fdch kompozitov,<br \/>\n\u2022 hodnotenie individu\u00e1lnych a simult\u00e1nnych \u00fa\u010dinkov tepl\u00f4t do 150 \u00b0C a tlakov do 18 MPa na f\u00e1zov\u00e9 zlo\u017eenie kompozitov pomocou kombin\u00e1cie termogravimetrick\u00fdch, r\u00f6ntgenov\u00fdch difrak\u010dn\u00fdch a Fourierov\u00fdch transforma\u010dn\u00fdch infra\u010derven\u00fdch anal\u00fdz v strednej infra\u010dervenej oblasti,<br \/>\n\u2022 hodnotenie vz\u0165ahov medzi \u0161trukt\u00farou p\u00f3rov, mechanick\u00fdmi vlastnos\u0165ami a f\u00e1zov\u00fdm zlo\u017een\u00edm,<br \/>\n\u2022 optimaliz\u00e1ciu v\u00fdchodiskov\u00e9ho zlo\u017eenia,<br \/>\n\u2022 n\u00e1vrh cementov\u00fdch materi\u00e1lov pre \u0161pecifick\u00e9 podmienky vo vrtoch na Slovensku.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ustarch.sav.sk\/sk\/wp-content\/uploads\/sites\/2\/I1.png\" alt=\"I1\" width=\"327\" height=\"230\" class=\"alignleft size-medium wp-image-4295\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ustarch.sav.sk\/sk\/wp-content\/uploads\/sites\/2\/I2.png\" alt=\"I2\" width=\"327\" height=\"230\" class=\"alignleft size-full wp-image-4296\" \/><\/p>\n<p>\nObr. 1. MIR spektr\u00e1 vzoriek po hydroterm\u00e1lnom spracovan\u00ed pri 18 MPa a 150 \u00b0C po\u010das 7 dn\u00ed (v\u013eavo) a XRD obrazce vzoriek vytvrden\u00fdch pri 18 MPa a 150 \u00b0C po\u010das 7 dn\u00ed (vpravo).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tvorba a stabilita nanokry\u0161talick\u00fdch a kry\u0161talick\u00fdch f\u00e1z vyskytuj\u00facich sa v cementov\u00fdch syst\u00e9moch pri vy\u0161\u0161\u00edch teplot\u00e1ch a tlakoch v\u00fdznamne ovplyv\u0148uje vlastnosti materi\u00e1lov, a t\u00fdm aj trvanlivos\u0165&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":6846,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-7220","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/7220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/comments?post=7220"}],"version-history":[{"count":2,"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/7220\/revisions"}],"predecessor-version":[{"id":7222,"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/7220\/revisions\/7222"}],"up":[{"embeddable":true,"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/pages\/6846"}],"wp:attachment":[{"href":"https:\/\/ustarch.sav.sk\/sk\/wp-json\/wp\/v2\/media?parent=7220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}