{"id":157,"date":"2019-02-13T08:15:05","date_gmt":"2019-02-13T07:15:05","guid":{"rendered":"http:\/\/websrv.saske.sk\/imr\/?page_id=157"},"modified":"2019-03-15T06:35:06","modified_gmt":"2019-03-15T05:35:06","slug":"projekty","status":"publish","type":"page","link":"https:\/\/websrv.saske.sk\/imr\/vedecke-divizie\/divizia-keramickych-a-nekovovych-systemov\/projekty\/","title":{"rendered":"Aktu\u00e1lne projekty"},"content":{"rendered":"<p><script type=\"text\/javascript\">\/\/ <![CDATA[\nfunction toggle(element){document.getElementById(element).style.display=(document.getElementById(element).style.display==\"none\")?\"\":\"none\";}\n\/\/ ]]><\/script><\/p>\n<h2>Medzin\u00e1rodn\u00e9<\/h2>\n<table class='project_list'>\n<tr>\n<td colspan='2'>V\u00fdvoj nov\u00fdch vysokoentropick\u00fdch karbidov so zplep\u0161en\u00fdmi mechanick\u00fdmi vlastnos\u0165ami<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Development of New High-entropy Carbides  With Improved Mechanical Properties<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>Mobility<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>M.Sc. Csan\u00e1di Tam\u00e1s , PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2025 &#8211; 31.12.2026<\/td>\n<\/tr>\n<\/table>\n<h2>N\u00e1rodn\u00e9<\/h2>\n<table class='project_list'>\n<tr>\n<td colspan='2'>\u0160t\u00fadium mechanick\u00fdch vlastnost\u00ed \u013eudskej zubnej skloviny po biomimetickej mineraliz\u00e1cii<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Study of the mechanical properties of human  enamel after biomimetic mineralization<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>In\u00e9 projekty<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Andrejovsk\u00e1 Jana, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td> &#8211; <\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>GREEN-POT &#8211; Zelen\u00e1 energetick\u00e1 inov\u00e1cia: Entropicky in\u017einierovan\u00e9 perovskitov\u00e9 oxidy pre termoelektrick\u00e9 aplik\u00e1cie<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Green Energy innovation: Entropy-Engineered Perovskite Oxides for Thermoelectric Applications<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>APVV<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Koval\u010d\u00edkov\u00e1 Alexandra, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2025 &#8211; 31.8.2029<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>MOSAIC &#8211; Spevnenie a plasticita vysokoentropickej keramiky na at\u00f3movej \u00farovni<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Atomic-scale controlled strengthening and plasticity of high-entropy ceramics<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>IMPULZ<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>M.Sc. Csan\u00e1di Tam\u00e1s , PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2023 &#8211; 31.8.2028<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>NewGenCoat &#8211; Tvrd\u00e9 vrstvy novej gener\u00e1cie so zlep\u0161enou lomovou h\u00fa\u017eevnatos\u0165ou a oxida\u010dnou odolnos\u0165ou<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>New-generation hard coatings with enhanced fracture toughness and oxidation resistance<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>APVV<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. RNDr. Lofaj Franti\u0161ek, DrSc.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2025 &#8211; 31.8.2028<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>\u0160t\u00fadium pevnostn\u00fdch charakterist\u00edk z\u0155n a hran\u00edc z\u0155n tetragon\u00e1lne stabilizovan\u00e9ho oxidu zirkoni\u010dit\u00e9ho. Vplyv stabiliz\u00e1tora.<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Vojtko Marek, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2025 &#8211; 31.12.2027<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>NEOCAR &#8211; Ultra-vysokoteplotn\u00e9 karbidy so zv\u00fd\u0161enou oxida\u010dnou odolnos\u0165ou<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Novel enhanced oxidation-resistant ultra-high temperature carbides<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>APVV<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Koval\u010d\u00edkov\u00e1 Alexandra, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show1')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show1\" style=\"display: none;\">Zlep\u0161enie odolnosti vo\u010di oxid\u00e1cii ultra-vysokoteplotn\u00fdch keramick\u00fdch materi\u00e1lov (UHTC) m\u00e1 z\u00e1sadn\u00fd v\u00fdznam pri uspokojovan\u00ed rast\u00facej potreby aplik\u00e1ci\u00ed, ktor\u00e9 s\u00fa pou\u017e\u00edvan\u00e9 pri teplot\u00e1ch nad 2000 \u00b0C v oxida\u010dn\u00fdch atmosf\u00e9rach, ako s\u00fa napr. hypersonick\u00e9 vozidl\u00e1 a kozmick\u00e9 lode. Ned\u00e1vno sa v\u010faka v\u00fdskumu viackomponentnej keramiky, pozost\u00e1vaj\u00facej zo \u0161tyroch alebo viacer\u00fdch r\u00f4znych kati\u00f3nov alebo ani\u00f3nov stabilizovan\u00fdch konfigura\u010dnou entropiou, otvoril priestor na v\u00fdvoj nov\u00fdch UHTC pr\u00e1ve so zv\u00fd\u0161enou odolnos\u0165ou vo\u010di oxid\u00e1cii. Na dizajn tak\u00fdchto materi\u00e1lov cestou predikcie ich zlo\u017eit\u00fdch oxida\u010dn\u00fdch procesov je v\u0161ak nevyhnutn\u00e9 komplexne pochopi\u0165 monokarbidy a bin\u00e1rne karbidy prechodn\u00fdch kovov, na ktor\u00e9 sa zameriava tento projekt, \u010do v s\u00fa\u010dasnosti v poznatkoch v danej vednej oblasti ch\u00fdba. Hlavn\u00fdm cie\u013eom projektu je teda vyvin\u00fa\u0165 nov\u00e9 UHTC materi\u00e1ly odoln\u00e9 vo\u010di oxid\u00e1cii prostredn\u00edctvom systematickej experiment\u00e1lnej \u0161t\u00fadie, v ktorej sa sk\u00famaj\u00fa vysokoteplotn\u00e9 vlastnosti (odolnos\u0165 vo\u010di oxid\u00e1cii\/abl\u00e1cii, odolnos\u0165 vo\u010di tepeln\u00fdm \u0161okom a \u010fal\u0161ie) a mechanick\u00e9 spr\u00e1vanie sa monokarbidov a bin\u00e1rnych \u017eiaruvzdorn\u00fdch karbidov. N\u00e1sledne bud\u00fa syntetizovan\u00e9 karbidy s pr\u00eddavkom sekund\u00e1rnej f\u00e1zy so zabudovan\u00fdm krem\u00edkom, vo forme SiC a silicidov prechodn\u00fdch kovov, ktor\u00e9 s\u00fa zn\u00e1me ako zl\u00fa\u010deniny tvoriace ochrann\u00fa sklovit\u00fa f\u00e1zu, ktor\u00e9 m\u00f4\u017eu \u010falej zlep\u0161ova\u0165 odolnos\u0165 vo\u010di oxid\u00e1cii novo vyv\u00edjan\u00fdch UHTC. Okrem pochopenia oxida\u010dn\u00e9ho a mechanick\u00e9ho spr\u00e1vania sa t\u00fdchto keramick\u00fdch a kompozitn\u00fdch materi\u00e1lov, bude predikcia vytvoren\u00fdch modelov n\u00e1sledne potvrden\u00e1 a to synt\u00e9zou vybran\u00fdch 3-, 4- a 5- komponentn\u00fdch kovov\u00fdch karbidov\u00fdch syst\u00e9mov. N\u00e1sledne bud\u00fa experiment\u00e1lne stanoven\u00e9 ich vysokoteplotn\u00e9 a mechanick\u00e9 vlastnosti. Rie\u0161enie tohto projektu vytvor\u00ed s\u00fabor z\u00e1kladn\u00fdch poznatkov, ktor\u00e9 s\u00fa nevyhnutn\u00e9 pre n\u00e1vrh nov\u00fdch zlo\u017eitej\u0161\u00edch viackomponentn\u00fdch keramick\u00fdch materi\u00e1lov s v\u00fdrazne zv\u00fd\u0161enou oxida\u010dnou odolnos\u0165ou, \u010do bude v\u00fdznamn\u00fdm pr\u00ednosom pre cel\u00fa komunitu materi\u00e1lov\u00fdch vied.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.7.2023 &#8211; 30.6.2027<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>V\u00fdvoj inovat\u00edvnych keramick\u00fdch kompozitov s korundovou matricou so zv\u00fd\u0161enou odolnos\u0165ou vo\u010di opotrebeniu pre technick\u00e9 aplik\u00e1cie.<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Development of innovative ceramic composites with corundum matrix and enhanced wear resistance for technical applications<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Andrejovsk\u00e1 Jana, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show2')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show2\" style=\"display: none;\">Predkladan\u00fd projekt sa zameriava na probl\u00e9m opotrebenia materi\u00e1lov, na ktor\u00fd \u010dasto nar\u00e1\u017eame v technick\u00fdch aplik\u00e1ci\u00e1ch a rie\u0161i ho vyu\u017eit\u00edm kompozitn\u00fdch keramick\u00fdch materi\u00e1lov so zn\u00ed\u017een\u00fdm obsahom kritick\u00fdch surov\u00edn ako s\u00fa wolfr\u00e1m a kobalt, ktor\u00e9 sa v s\u00fa\u010dasnosti naj\u010dastej\u0161ie vyu\u017e\u00edvaj\u00fa na rezn\u00e9 do\u0161ti\u010dky, lo\u017eisk\u00e1, s\u00fa\u010diastky v automobilovom priemysle,a ktor\u00e9 vy\u017eaduj\u00fa vysok\u00fa odolnos\u0165 vo\u010di opotrebeniu. Tieto materi\u00e1ly bud\u00fa ma\u0165 z\u00e1klad v cenovo dostupnej korundovej alebo korundovo-zirkonovej matrici. V r\u00e1mci projektu bud\u00fa testovan\u00e9 tribologick\u00e9 vlastnosti r\u00f4znych keramick\u00fdch syst\u00e9mov, ako s\u00fa monolitick\u00fd Al2O3, spekan\u00e9 karbidy (WCCo) a kompozity na b\u00e1ze korundovej matrice, modifikovan\u00e9 pridan\u00edm a\u017e 50 obj. % \u017eiaruvzdorn\u00fdch karbidov (napr. ZrC, TiC, WC). Navrhovan\u00e9 experiment\u00e1lne keramick\u00e9 syst\u00e9my by mali vykazova\u0165 zlep\u0161en\u00e9 vlastnosti, ako s\u00fa predov\u0161etk\u00fdm zv\u00fd\u0161en\u00e1 odolnos\u0165 vo\u010di opotrebeniu, vy\u0161\u0161ia tvrdos\u0165 a odolnos\u0165 vo\u010di oxid\u00e1cii pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch, lep\u0161\u00ed pomer v\u00fdkonu k cene a zni\u017eovanie spotreby kritick\u00fdch surov\u00edn.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2024 &#8211; 31.12.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>V\u00fdvoj multikomponentnej karbidickej keramiky s jednof\u00e1zovou \u0161trukt\u00farou pre vysokoteplotn\u00e9 aplik\u00e1cie<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Development of Multicomponent Carbide Ceramics with a Single-Phase Structure for High-Temperature Applications<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>VEGA<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>RNDr. Hrubov\u010d\u00e1kov\u00e1 Monika, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show3')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show3\" style=\"display: none;\">Predkladan\u00fd projekt je zameran\u00fd na v\u00fdvoj a pr\u00edpravu multikomponentn\u00fdch ultra vysokoteplotn\u00fdch keramik nab\u00e1ze karbidov prechodn\u00fdch kovov IV. a V. skupiny. V\u010faka kombin\u00e1cii unik\u00e1tnych fyzik\u00e1lno-chemick\u00fdchvlastnost\u00ed s\u00fa tieto materi\u00e1ly vhodn\u00fdmi kandid\u00e1tmi pre aplik\u00e1cie v extr\u00e9mnych podmienkach, kde sa kladie d\u00f4razna excelentn\u00fa tepeln\u00fa stabilitu, vysok\u00fa tvrdos\u0165 a v\u00fdborn\u00e9 tribologick\u00e9 vlastnosti. Cie\u013eom projektu je vyvin\u00fa\u0165 apripravi\u0165 nov\u00e9 ultra vysokoteplotn\u00e9 keramiky prostredn\u00edctvom systematickej experiment\u00e1lnej \u0161t\u00fadie mono abin\u00e1rnych vysokoteplotn\u00fdch karbidov, v ktorej sa bude \u0161tudova\u0165 vplyv chemick\u00e9ho zlo\u017eenia a technologick\u00fdchparametrov pr\u00edpravy na tvorbu f\u00e1z a rozvoj mikro\u0161trukt\u00fary. Predpoklad\u00e1me, \u017ee projekt prinesie nov\u00e9experiment\u00e1lne poznatky o syntetizovate\u013enosti bin\u00e1rnych karbidov\u00fdch syst\u00e9mov s homog\u00e9nnou jednof\u00e1zovou\u0161trukt\u00farou, ktor\u00e9 s\u00fa nevyhnutn\u00e9 pre n\u00e1vrh keramiky s viacer\u00fdmi z\u00e1kladn\u00fdmi prvkami kovov, \u010do bude pr\u00ednosompre komunitu odborn\u00edkov v oblasti vysokoteplotnej keramiky.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.1.2024 &#8211; 31.12.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>DeBCco &#8211; Dvojf\u00e1zne boridovo\/karbidick\u00e9 viackomponentn\u00e9 povlaky na b\u00e1ze kovov prechodov\u00fdch prvkov pripraven\u00e9 napra\u0161ovan\u00edm s vysokou vyu\u017eite\u013enos\u0165ou ter\u010da (HiTUS) <\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Dvojf\u00e1zne boridovo\/karbidick\u00e9 viackomponentn\u00e9 povlaky na b\u00e1ze kovov prechodov\u00fdch prvkov pripravenDual-phase multi-TM-boride\/carbide coatings by High Target Utilization Sputtering<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>Pl\u00e1n obnovy E\u00da<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>doc. RNDr. Lofaj Franti\u0161ek, DrSc.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show4')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show4\" style=\"display: none;\">Po zaveden\u00ed mas\u00edvnych zliatin a keramiky stabilizovan\u00fdch pomocou vysokej entropie sa v\u00fdskumn\u00e9 aktivity s\u00fastredili na mas\u00edvne viackomponentn\u00e9 boridy a karbidy kovov prechodov\u00fdch prvkov (TM), ktor\u00e9 vytv\u00e1raj\u00fa jedno-f\u00e1zov\u00e9 zl\u00fa\u010deniny. Po r. 2014 sa najm\u00e4 v\u010faka v\u00fdrazne zlep\u0161en\u00fdm vlastnostiam stala tento v\u00fdskum roz\u0161\u00edril aj na mas\u00edvnu dvojf\u00e1zov\u00fa FCC + hexagon\u00e1lna\/bcc (napr. TM borid+TM karbid), pr\u00edpadne aj viac-f\u00e1zov\u00fa keramiku. Analogick\u00e9 dvoj-f\u00e1zov\u00e9 boridicko-karbidick\u00e9 keramick\u00e9 povlaky v\u0161ak doteraz neboli vyroben\u00e9 ani konven\u010dn\u00fdm DC magnetr\u00f3nov\u00fdm napra\u0161ovan\u00edm, ani modernej\u0161\u00edmi met\u00f3dami, vr\u00e1tane napra\u0161ovanie s vysokou v\u00fd\u0165a\u017enos\u0165ou ter\u010da (High Target Utilization Sputtering &#8211; HiTUS). Cie\u013eom projektu je preto v\u00fdskum tvorby dvojf\u00e1zov\u00fdch\/viacf\u00e1zov\u00fdch boridicko-karbidick\u00fdch \u0161trukt\u00far stabilizovan\u00fdch vysokou entropiou vo viackomponentn\u00fdch keramick\u00fdch povlakoch na b\u00e1ze kovov prechodov\u00fdch prvkov pri depoz\u00edcii met\u00f3dou reak\u010dn\u00e9ho napra\u0161ovania s vysokou v\u00fd\u0165a\u017enos\u0165ou ter\u010da (r-HiTUS). Najsk\u00f4r bude sk\u00faman\u00e9 napra\u0161ovanie jedno-f\u00e1znych TM- boridov a TM-karbidov pri r-HiTUS samostatne. V druhom kroku bud\u00fa tieto procesy spojen\u00e9 do jedn\u00e9ho procesu. Tak\u00fdto postup umo\u017en\u00ed zoh\u013eadni\u0165 osobitosti oboch procesov a na ich z\u00e1klade ur\u010di\u0165 nov\u00e9 sp\u00f4soby kontroly tvorby \u0161trukt\u00fary dvoj-, pr\u00edp. viac-f\u00e1znych keramick\u00fdch povlakov. Originalita a v\u00fdnimo\u010dnos\u0165 projektu spo\u010d\u00edva v tom, \u017ee roz\u0161iruje existuj\u00face mas\u00edvne dvoj-f\u00e1zov\u00e9 keramick\u00e9 materi\u00e1ly do oblasti PVD povlakov a s\u00fa\u010dasne aplik\u00e1ciou novej depozi\u010dnej techniky typu HiTUS umo\u017e\u0148uje nov\u00e9 sp\u00f4soby dizajnu \u0161trukt\u00fary a vlastnost\u00ed keramick\u00fdch povlakov so zlep\u0161en\u00fdmi vlastnos\u0165ami.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2024 &#8211; 31.8.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>CROSSBEAM &#8211; Nov\u00fd reakt\u00edvny pr\u00edstup k synt\u00e9ze kompozitov s keramickou matricou vystu\u017een\u00fdch mikrovl\u00e1knami UHTC<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Novel reactive approach towards the sysnthesis of UHTC microfibers reinforced ceramic matrix composites<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>Pl\u00e1n obnovy E\u00da<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Sedl\u00e1k Richard, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2024 &#8211; 31.8.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>ADAMANT &#8211; Pokro\u010dil\u00e9 nanovlakenn\u00e9 materi\u00e1ly na b\u00e1ze vysokoentropickej keramiky pre pou\u017eitie vo fotokatal\u00fdze<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Advanced nanafibrous materials based on high entropy ceramics for application in photocatalysis<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>Pl\u00e1n obnovy E\u00da<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Mgr. Shepa Iv\u00e1n, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2024 &#8211; 31.8.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>GreenCER &#8211; V\u00fdvoj novej bezkobaltovej keramiky pre rezn\u00e9 n\u00e1stroje <\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Development of New Cobalt-Free Ceramics for Cutting Tools<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>Pl\u00e1n obnovy E\u00da<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing.  Medve\u010f D\u00e1vid, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show5')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show5\" style=\"display: none;\">Hlavn\u00fdm cie\u013eom projektu GreenCER je vyvin\u00fa\u0165 a overi\u0165 nov\u00fa gener\u00e1ciu keramick\u00fdch kompozitov, ktor\u00e9 sa vyzna\u010duj\u00fa po\u017eadovan\u00fdmi funk\u010dn\u00fdmi vlastnos\u0165ami, nevyhnutn\u00fdmi pre rezn\u00e9 n\u00e1stroje obr\u00e1bac\u00edch strojov. Kompozity GreenCER bud\u00fa pozost\u00e1va\u0165 zo z\u00e1kladn\u00fdch druhov \u017eiaruvzdorn\u00fdch oxidov a karbidov. Lacn\u00e1 matrica na b\u00e1ze oxidu zirkoni\u010dit\u00e9ho (ZrO2, ZrO2 + MO(metal oxid)) bude obohaten\u00e1 pridan\u00edm karbidov (ZrC, TiC, WC, a in\u00e9), ktor\u00e9 sa vyzna\u010duj\u00fa vynikaj\u00facimi mechanick\u00fdmi a tepeln\u00fdmi vlastnos\u0165ami. O\u010dak\u00e1vame, \u017ee takto navrhnut\u00e1 \u0161trukt\u00fara prinesie synergick\u00fd efekt v podobe excelentn\u00fdch vlastnost\u00ed vyvinut\u00e9ho kompozitu. V porovnan\u00ed so slinut\u00fdmi karbidmi (in\u00e9 pou\u017e\u00edvan\u00e9 n\u00e1zvy \u2013 tvrdokovy, cermety), ktor\u00e9 sa v\u00a0s\u00fa\u010dasnom  priemysle naj\u010dastej\u0161ie pou\u017e\u00edvaj\u00fa,\u00a0 navrhovan\u00e9 kompozity GreenCER nebud\u00fa obsahova\u0165 kobalt a navy\u0161e zn\u00ed\u017eia podiel zl\u00fa\u010den\u00edn obsahuj\u00facich \u010fal\u0161ie kritick\u00e9 suroviny, ako je karbid volfr\u00e1mu (WC). Tie bud\u00fa v GreenCER kompozitoch nahraden\u00e9 \u013eahko dostupn\u00fdmi nekritick\u00fdmi materi\u00e1lmi, ako je oxid zirkoni\u010dit\u00fd, oxid hlinit\u00fd a \u010fal\u0161ie. \u017diaruvzdorn\u00e9 oxidy zabezpe\u010dia excelentn\u00fd v\u00fdkon pri vysokych teplotach (800\u00b0C) pri priazniv\u00fdch n\u00e1kladoch a \u0161etren\u00ed kritick\u00fdmi surovinami.\u00a0\u00a0\u00a0GreenCER m\u00e1 za cie\u013e inovova\u0165 kompozitn\u00e9 materi\u00e1ly s duplexnou \u0161trukt\u00farou oxidovo-karbidov\u00fdch prenikaj\u00facich f\u00e1z. Tieto materi\u00e1ly, ur\u010den\u00e9 pre obr\u00e1bacie rezn\u00e9 n\u00e1stroje, bud\u00fa vykazova\u0165 lep\u0161\u00ed v\u00fdkon ako existuj\u00face alternat\u00edvy v efekt\u00edvnosti obr\u00e1bania. Synergia v r\u00e1mci kompozitov povedie k n\u00e1strojom s vylep\u0161enou tvrdos\u0165ou (v porovnan\u00ed s cementovan\u00fdmi karbidmi), v\u00fdrazne zv\u00fd\u0161enou odolnos\u0165ou vo\u010di lomu (v porovnan\u00ed s keramikou), zv\u00fd\u0161enou odolnos\u0165ou vo\u010di opotrebeniu v n\u00e1ro\u010dn\u00fdch podmienkach a vylep\u0161enou tepelnou vodivos\u0165ou (v porovnan\u00ed s keramikou). V\u00fdsledn\u00e9 mechanick\u00e9 vlastnosti zv\u00fd\u0161ia efekt\u00edvnos\u0165 obr\u00e1bania a zn\u00ed\u017eia n\u00e1klady na obr\u00e1banie, vr\u00e1tane spotreby energie. Navy\u0161e, vysok\u00e1 tepeln\u00e1 odolnos\u0165 n\u00e1strojov GreenCER podpor\u00ed zv\u00fd\u0161enie rezn\u00fdch\u00a0 r\u00fdchlost\u00ed a minimalizuje pou\u017eitie ekologicky \u0161kodliv\u00fdch chladiacich m\u00e9di\u00ed. Z\u00a0poh\u013eadu ekologicky udr\u017eate\u013en\u00fdch zdrojov sa GreenCER  s\u00fastred\u00ed na  v\u00fdvoj bezkobaltov\u00fdch rezn\u00fdch keramick\u00fdch materi\u00e1lov, vyu\u017e\u00edvaj\u00fac v\u00fdnimo\u010dn\u00e9 vlastnosti oxidicko-karbidick\u00fdch f\u00e1z. Odklon  kobaltu od v\u00fdroby keramick\u00fdch rezn\u00fdch n\u00e1strojov, umo\u017e\u0148uje jeho efekt\u00edvne vyu\u017eitie pre v\u00fdrobu bat\u00e9ri\u00ed, \u010d\u00edm sa podporia udr\u017eate\u013en\u00e9 energetick\u00e9 rie\u0161enia. S rast\u00facim dopytom po udr\u017eate\u013en\u00fdch rie\u0161eniach a potrebe zachova\u0165 CR sa objavuje naliehav\u00e1 potreba vyvin\u00fa\u0165 alternat\u00edvne materi\u00e1ly, ktor\u00e9 s\u00fa efekt\u00edvne a ekologick\u00e9. Navrhovan\u00fdm rie\u0161en\u00edm je odklon kobaltu od v\u00fdroby spekan\u00fdch karbidov, \u010do umo\u017e\u0148uje jeho n\u00e1sledn\u00e9 vyu\u017eitie pri v\u00fdrobe bat\u00e9ri\u00ed. To podporuje nielen udr\u017eate\u013en\u00e9 energetick\u00e9 rie\u0161enia, ale tie\u017e prispieva dodr\u017eaniu Agendy 2030 a\u00a0Eur\u00f3pskeho zelen\u00e9ho dohovoru. Projekt GreenCER je zameran\u00fd na rie\u0161enie aktu\u00e1lnych a relevantn\u00fdch probl\u00e9mov v oblasti v\u00fdvoja ekologicky prijate\u013en\u00fdch keramick\u00fdch materi\u00e1lov. Jeho ciele s\u00fa navrhnut\u00e9 tak, aby reflektovali potreby trhu a priemyslu.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.9.2024 &#8211; 31.8.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>CAFIHEC &#8211; Dvojf\u00e1zov\u00e1 vysokoentropick\u00e1 keramika vystu\u017een\u00e1 uhl\u00edkov\u00fdmi vl\u00e1knami <\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Carbon fibers reinforced dual-phase high-entropy ceramics<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>Pl\u00e1n obnovy E\u00da<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Naughton Duszov\u00e1 Annam\u00e1ria, PhD.<\/td>\n<\/tr>\n<tr>\n<td><a href=\"javascript:toggle('show6')\">Anot\u00e1cia:<\/a><\/td>\n<td><span id=\"show6\" style=\"display: none;\">Hlavn\u00fdm cie\u013eom navrhovan\u00e9ho projektu \u201cCAFIHEC\u201d je v\u00fdvoj, pr\u00edprava a charakteriz\u00e1cia novej dvojf\u00e1zovej vysoko entropickej ultra vysokoteplotnej keramiky (DPHE-UHTC) vystu\u017eenej uhl\u00edkov\u00fdmi vl\u00e1knami s hlavn\u00fdm cie\u013eom, vyvin\u00fa\u0165 extr\u00e9mne tvrd\u00e9 a v\u00fdrazne vylep\u0161en\u00e9 kompozity odoln\u00e9 vo\u010di po\u0161kodeniu. Syst\u00e9my sa pripravia z vysoko kvalitn\u00fdch komer\u010dn\u00fdch karbidov a boridov ako v\u00fdchodiskov\u00fdch pr\u00e1\u0161kov mlet\u00edm spolu s pr\u00edsadou uhl\u00edkov\u00fdch vl\u00e1kien vo vysokoenergetickom gu\u013eovom mlyne v arg\u00f3ne, aby sa vytvorili dve vysoko entropick\u00e9 f\u00e1zy po n\u00e1slednom spekan\u00ed (SPS). Mikro\u0161trukt\u00farne charakteristiky sk\u00faman\u00fdch syst\u00e9mov bud\u00fa \u0161tudovan\u00e9 na mikro, nano a at\u00f3movej \u00farovni pomocou r\u00f6ntgenovej difrakcie (XRD), rastrovacieho elektr\u00f3nov\u00e9ho mikroskopu (SEM) a transmisnej elektr\u00f3novej mikroskopie (TEM, HREM) spojenej s EDS anal\u00fdzou. Mechanick\u00e9 vlastnosti \u2013 tvrdos\u0165, ohybov\u00e1 pevnos\u0165 a lomov\u00e1 h\u00fa\u017eevnatos\u0165 sa bud\u00fa testova\u0165 pomocou \u0161tandardn\u00fdch sk\u00fa\u0161ok. Lomov\u00e9 charakteristiky, ako inicia\u010dn\u00e9 centrum lomu a mechanizmy lomu, sa bud\u00fa sk\u00fama\u0165 pomocou fraktografick\u00fdch met\u00f3d. Na charakteriz\u00e1ciu vlastnost\u00ed jednotliv\u00fdch z\u0155n a hran\u00edc z\u0155n sa pou\u017eij\u00fa nanoindenta\u010dn\u00e9 testy a mikro\/nano mechanick\u00e9 sk\u00fa\u0161ky mikro\u00fatvarov. Tribologick\u00e9 vlastnosti sa bud\u00fa sk\u00fama\u0165 pri izbovej a vysok\u00fdch teplot\u00e1ch do 800\u00b0C a charakteristiky opotrebovania sa bud\u00fa \u0161tudova\u0165 pomocou pokro\u010dil\u00fdch met\u00f3d pod zameran\u00fdm i\u00f3nov\u00fdm l\u00fa\u010dom (FIB), SEM, TEM a Ramanovou spektroskopiou. Vysokoteplotn\u00e9 charakteristiky syst\u00e9mov bud\u00fa \u0161tudovan\u00e9 pomocou oxid\u00e1cie, abl\u00e1cie, odolnosti vo\u010di tepeln\u00e9mu \u0161oku a deform\u00e1cie pri te\u010den\u00ed pomocou pokro\u010dil\u00fdch met\u00f3d. Pre optimalizovan\u00e9 syst\u00e9my bude ur\u010den\u00fd vz\u0165ah \u201epr\u00edprava &#8211; mikro\u0161trukt\u00fara -vlastnosti\u201c.<\/span><\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.10.2024 &#8211; 30.6.2026<\/td>\n<\/tr>\n<\/table>\n<table class='project_list'>\n<tr>\n<td colspan='2'>Com-Cer &#8211; V\u00fdvoj nov\u00fdch keramick\u00fdch materi\u00e1lov komplexn\u00e9ho zlo\u017eenia pre extr\u00e9mne aplik\u00e1cie<\/td>\n<\/tr>\n<tr>\n<td colspan='2'>Development of new compositionally-complex ceramics for extreme applications<\/td>\n<\/tr>\n<tr>\n<td>Program:<\/td>\n<td>APVV<\/td>\n<\/tr>\n<tr>\n<td>Zodpovedn\u00fd rie\u0161ite\u013e:<\/td>\n<td>Ing. Koval\u010d\u00edkov\u00e1 Alexandra, PhD.<\/td>\n<\/tr>\n<tr>\n<td>Doba trvania:<\/td>\n<td>1.7.2022 &#8211; 30.6.2026<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Medzin\u00e1rodn\u00e9 V\u00fdvoj nov\u00fdch vysokoentropick\u00fdch karbidov so zplep\u0161en\u00fdmi mechanick\u00fdmi vlastnos\u0165ami Development of New High-entropy Carbides With Improved Mechanical Properties Program: Mobility Zodpovedn\u00fd rie\u0161ite\u013e: M.Sc. Csan\u00e1di Tam\u00e1s&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":108,"menu_order":30,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-157","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/comments?post=157"}],"version-history":[{"count":3,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/157\/revisions"}],"predecessor-version":[{"id":680,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/157\/revisions\/680"}],"up":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/108"}],"wp:attachment":[{"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/media?parent=157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}