{"id":127,"date":"2019-02-13T08:10:21","date_gmt":"2019-02-13T07:10:21","guid":{"rendered":"http:\/\/websrv.saske.sk\/imr\/?page_id=127"},"modified":"2021-12-07T10:03:15","modified_gmt":"2021-12-07T09:03:15","slug":"vyskumne-oblasti","status":"publish","type":"page","link":"https:\/\/websrv.saske.sk\/imr\/vedecke-divizie\/divizia-kovovych-systemov\/vyskumne-oblasti\/","title":{"rendered":"V\u00fdskumn\u00e9 oblasti"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2021\/12\/VD-1_skupinov\u00e9-foto.jpg\" rel=\"lightbox[127]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1512 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2021\/12\/VD-1_skupinov\u00e9-foto.jpg\" alt=\"\" width=\"1276\" height=\"957\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2021\/12\/VD-1_skupinov\u00e9-foto.jpg 1276w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2021\/12\/VD-1_skupinov\u00e9-foto-300x225.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2021\/12\/VD-1_skupinov\u00e9-foto-768x576.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2021\/12\/VD-1_skupinov\u00e9-foto-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 1276px) 100vw, 1276px\" \/><\/a><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Vysokopevn\u00e9 ocele pre automobilov\u00fd priemysel<\/strong><\/span><\/p>\n<p>V\u00fdskum sa realizuje za \u00fa\u010delom zn\u00ed\u017eenia hmotnosti karos\u00e9rie automobilov, pri\u010dom aktu\u00e1lnym cie\u013eom je v\u00fdvoj ultra-vysokopevnej dvojf\u00e1zovej ocele s d\u00f4razom na jej dobr\u00fa zvarite\u013enos\u0165, bezprobl\u00e9mov\u00e9 nan\u00e1\u0161anie ochrann\u00fdch Zn-povlakov, odolnos\u0165 vo\u010di vod\u00edkov\u00e9mu krehnutiu a vy\u0161\u0161iu h\u00fa\u017eevnatos\u0165 a \u00fanavov\u00fa odolnos\u0165 v porovnan\u00ed s doteraz vyvinut\u00fdmi akos\u0165ami. S\u00fa\u010das\u0165ou v\u00fdskumu je \u0161t\u00fadium degrada\u010dn\u00fdch \u00fa\u010dinkov vod\u00edka, rozvoja lok\u00e1lnych deform\u00e1ci\u00ed a plastickej z\u00f3ny pred \u010delom iniciovan\u00fdch trhl\u00edn na vzork\u00e1ch s koncentr\u00e1torom nap\u00e4tia s\u00a0vyu\u017eit\u00edm nov\u00fdch sk\u00fa\u0161obn\u00fdch met\u00f3d zameran\u00fdch na \u0161t\u00fadium lok\u00e1lnych vlastnost\u00ed materi\u00e1lov.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-727 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/01_Vysokopevn\u00e9-ocele-pre-automobilov\u00fd-priemysel.jpg\" alt=\"\" width=\"932\" height=\"208\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/01_Vysokopevn\u00e9-ocele-pre-automobilov\u00fd-priemysel.jpg 932w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/01_Vysokopevn\u00e9-ocele-pre-automobilov\u00fd-priemysel-300x67.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/01_Vysokopevn\u00e9-ocele-pre-automobilov\u00fd-priemysel-768x171.jpg 768w\" sizes=\"auto, (max-width: 932px) 100vw, 932px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Gradientn\u00e9 materi\u00e1ly pre stroj\u00e1rske aplik\u00e1cie<\/strong><\/span><\/p>\n<p>V\u00fdskumn\u00e9 aktivity s\u00fa zameran\u00e9 na identifik\u00e1ciu a testovanie mo\u017enost\u00ed zni\u017eovania opotrebenia a\u00a0zvy\u0161ovania technologickej \u017eivotnosti inovat\u00edvnych gradientn\u00fdch materi\u00e1lov\u00fdch syst\u00e9mov typu povlak\/substr\u00e1t, n\u00e1var\/substr\u00e1t a\u00a0podobne. Oblasti v\u00fdskumu s\u00fa zameran\u00e9 na materi\u00e1lov\u00e9 rie\u0161enia \u010dast\u00ed foriem pre tlakov\u00e9 liatie Al-zliatin, \u010dast\u00ed tv\u00e1rniacich a\u00a0obr\u00e1bac\u00edch n\u00e1strojov a n\u00e1strojov pre tlakov\u00e9 sp\u00e1janie plechov.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-728 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/02_Gradientn\u00e9-materi\u00e1ly-pre-stroj\u00e1rske-aplik\u00e1cie.jpg\" alt=\"\" width=\"1137\" height=\"217\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/02_Gradientn\u00e9-materi\u00e1ly-pre-stroj\u00e1rske-aplik\u00e1cie.jpg 1137w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/02_Gradientn\u00e9-materi\u00e1ly-pre-stroj\u00e1rske-aplik\u00e1cie-300x57.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/02_Gradientn\u00e9-materi\u00e1ly-pre-stroj\u00e1rske-aplik\u00e1cie-768x147.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/02_Gradientn\u00e9-materi\u00e1ly-pre-stroj\u00e1rske-aplik\u00e1cie-1024x195.jpg 1024w\" sizes=\"auto, (max-width: 1137px) 100vw, 1137px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Elektrotechnick\u00e9 ocele pre elektromobily a hybridn\u00e9 motory<\/strong><\/span><\/p>\n<p>Aktu\u00e1lnou v\u00fdzvou s\u00fa\u010dasnosti je materi\u00e1lov\u00fd v\u00fdvoj novo-koncipovan\u00fdch elektro-technick\u00fdch ocel\u00ed vykazuj\u00facich vhodn\u00fa kombin\u00e1ciu mechanick\u00fdch a\u00a0elektro-magnetick\u00fdch vlastnost\u00ed. Hlavn\u00fdm cie\u013eom v\u00fdskumu je n\u00e1vrh a anal\u00fdza novej koncepcie dizajnu mikro\u0161trukt\u00fary a sub\u0161trukt\u00fary vysokopevn\u00fdch izotr\u00f3pnych elektro-technick\u00fdch ocel\u00ed, zabezpe\u010duj\u00facich kombin\u00e1ciu vysok\u00fdch pevnostn\u00fdch a v\u00fdborn\u00fdch elektro-magnetick\u00fdch vlastnost\u00ed pre vyu\u017eitie na stavbu jadier rotorov v elektromobiloch a pre hybridn\u00e9 pohony automobilov. Strat\u00e9gia v\u00fdskumu sa opiera o poznatky evol\u00facie a kinetiky \u0161trukturotvorn\u00fdch procesov v\u00a0elektro-technick\u00fdch oceliach v podmienkach termicko-deforma\u010dnej aktiv\u00e1cie.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-732 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/03_Elektrotechnick\u00e9-ocele-pre-elektromobily-a-hybridn\u00e9-motory.jpg\" alt=\"\" width=\"3987\" height=\"709\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/03_Elektrotechnick\u00e9-ocele-pre-elektromobily-a-hybridn\u00e9-motory.jpg 3987w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/03_Elektrotechnick\u00e9-ocele-pre-elektromobily-a-hybridn\u00e9-motory-300x53.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/03_Elektrotechnick\u00e9-ocele-pre-elektromobily-a-hybridn\u00e9-motory-768x137.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/03_Elektrotechnick\u00e9-ocele-pre-elektromobily-a-hybridn\u00e9-motory-1024x182.jpg 1024w\" sizes=\"auto, (max-width: 3987px) 100vw, 3987px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>\u017diarupevn\u00e9 ocele a\u00a0zvary pre vysoko\u00fa\u010dinn\u00e9 energetick\u00e9 kotlov\u00e9 zariadenia<\/strong><\/span><\/p>\n<p>Zvy\u0161ovanie \u00fa\u010dinnosti energetick\u00fdch kotlov\u00fdch zariaden\u00ed modern\u00fdch ultra-superkritick\u00fdch tepeln\u00fdch elektr\u00e1rn\u00ed je podmienen\u00e9 zvy\u0161ovan\u00edm \u017eiarupevnosti pou\u017eit\u00fdch kon\u0161truk\u010dn\u00fdch materi\u00e1lov a\u00a0ich zvarov\u00fdch spojov. V\u00fdskumn\u00e9 aktivity s\u00fa zameran\u00e9 na \u0161t\u00fadium deforma\u010dn\u00fdch a lomov\u00fdch procesov v \u017eiarupevn\u00fdch oceliach a ich zvarov\u00fdch spojoch v podmienkach vysokoteplotnej creepovej expoz\u00edcie, \u0161t\u00fadium degrad\u00e1cie mechanick\u00fdch a creepov\u00fdch vlastnost\u00ed vplyvom term\u00e1lnej expoz\u00edcie, sk\u00famanie mo\u017enost\u00ed optimaliz\u00e1cie lok\u00e1lnych mikro\u0161trukt\u00far a mechanick\u00fdch vlastnost\u00ed teplom-ovplyvnen\u00fdch oblast\u00ed zvarov\u00fdch spojov a vyu\u017eitie inova\u010dn\u00fdch postupov ich tepeln\u00e9ho spracovania za \u00fa\u010delom zv\u00fd\u0161enia creepovej \u017eivotnosti a odolnosti vo\u010di term\u00e1lnemu a\u00a0vod\u00edkov\u00e9mu krehnutiu.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-733 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/04_\u017diarupevn\u00e9-ocele-a-zvary-pre-vysoko\u00fa\u010dinn\u00e9-energetick\u00e9-kotlov\u00e9-zariadenia.jpg\" alt=\"\" width=\"3629\" height=\"708\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/04_\u017diarupevn\u00e9-ocele-a-zvary-pre-vysoko\u00fa\u010dinn\u00e9-energetick\u00e9-kotlov\u00e9-zariadenia.jpg 3629w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/04_\u017diarupevn\u00e9-ocele-a-zvary-pre-vysoko\u00fa\u010dinn\u00e9-energetick\u00e9-kotlov\u00e9-zariadenia-300x59.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/04_\u017diarupevn\u00e9-ocele-a-zvary-pre-vysoko\u00fa\u010dinn\u00e9-energetick\u00e9-kotlov\u00e9-zariadenia-768x150.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/04_\u017diarupevn\u00e9-ocele-a-zvary-pre-vysoko\u00fa\u010dinn\u00e9-energetick\u00e9-kotlov\u00e9-zariadenia-1024x200.jpg 1024w\" sizes=\"auto, (max-width: 3629px) 100vw, 3629px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>N\u00e1strojov\u00e9 ocele a kovo-keramick\u00e9 kompozity pre n\u00e1ro\u010dn\u00e9 trecie aplik\u00e1cie<\/strong><\/span><\/p>\n<p>V\u00fdskumn\u00e9 aktivity s\u00fa zameran\u00e9 na inovat\u00edvne technologick\u00e9 procesy tepeln\u00e9ho spracovania a modifik\u00e1cie povrchovej mikro\u0161trukt\u00fary modern\u00fdch n\u00e1strojov\u00fdch ocel\u00ed pomocou laserov\u00e9ho \u017eiarenia za \u00fa\u010delom zlep\u0161enia ich \u00fa\u017eitkov\u00fdch vlastnost\u00ed zahr\u0148uj\u00facich jednak klzn\u00e9 vlastnosti ako aj\u00a0odolnos\u0165 vo\u010di r\u00f4znym druhom opotrebenia. Hlavn\u00fdm cie\u013eom v\u00fdskumu je optimaliz\u00e1cia parametrov povrchov\u00e9ho laserov\u00e9ho spracovania r\u00f4znych akost\u00ed n\u00e1strojov\u00fdch ocel\u00ed pre pr\u00e1cu za tepla aj za studena. Z\u00e1rove\u0148 s\u00fa sk\u00faman\u00e9 mo\u017enosti zvy\u0161ovania dlhodobej stability povrchov\u00fdch mikro\u0161trukt\u00far dodato\u010dn\u00fdmi technologick\u00fdmi procesmi. Paralelne s\u00fa v\u00fdskumn\u00e9 aktivity orientovan\u00e9 aj na experiment\u00e1lny v\u00fdvoj nov\u00fdch kovo-keramick\u00fdch kompozitov pre aplik\u00e1cie najm\u00e4 v dopravnom priemysle. Cie\u013eom je zlep\u0161enie a optimaliz\u00e1cia parametrov opotrebenia cestou formovania trec\u00edch kompozitov na b\u00e1ze kovo-keramick\u00fdch materi\u00e1lov, pripraven\u00fdch pomocou pr\u00e1\u0161kovej metalurgie.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-736 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/05_N\u00e1strojov\u00e9-ocele-a-kovo-keramick\u00e9-kompozity-pre-n\u00e1ro\u010dn\u00e9-trecie-aplik\u00e1cie.jpg\" alt=\"\" width=\"850\" height=\"175\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/05_N\u00e1strojov\u00e9-ocele-a-kovo-keramick\u00e9-kompozity-pre-n\u00e1ro\u010dn\u00e9-trecie-aplik\u00e1cie.jpg 850w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/05_N\u00e1strojov\u00e9-ocele-a-kovo-keramick\u00e9-kompozity-pre-n\u00e1ro\u010dn\u00e9-trecie-aplik\u00e1cie-300x62.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/05_N\u00e1strojov\u00e9-ocele-a-kovo-keramick\u00e9-kompozity-pre-n\u00e1ro\u010dn\u00e9-trecie-aplik\u00e1cie-768x158.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Modelovanie f\u00e1zov\u00fdch diagramov a v\u00fdvoj termodynamick\u00fdch datab\u00e1z<\/strong><\/span><\/p>\n<p>Modelovanie f\u00e1zov\u00fdch diagramov, v\u00fdvoj a optimaliz\u00e1cia termodynamick\u00fdch datab\u00e1z semi-empirickou met\u00f3dou Calphad pre tern\u00e1rne a n\u00e1sledne aj pre zlo\u017eitej\u0161ie materi\u00e1lov\u00e9 syst\u00e9my. Vyvinut\u00e9 datab\u00e1zy umo\u017e\u0148uj\u00fa vykon\u00e1va\u0165 v\u0161etky typy termodynamick\u00fdch v\u00fdpo\u010dtov pre\u00a0 dan\u00e9 syst\u00e9my a v\u0161etky podsyst\u00e9my, t.j. umo\u017e\u0148uj\u00fa ur\u010dovanie f\u00e1zov\u00fdch rovnov\u00e1h, mno\u017estiev a chemick\u00e9ho zlo\u017eenia rovnov\u00e1\u017enych f\u00e1z, v\u00fdpo\u010dty veli\u010d\u00edn G,\u00a0 H, S, Cp a ich z\u00e1vislost\u00ed, vykres\u013eovanie f\u00e1zov\u00fdch diagramov a ich\u00a0 r\u00f4znych rezov, projekcie liquidu\u00a0 at\u010f., a to v celom rozsahu\u00a0 chemick\u00e9ho zlo\u017eenia. Intenz\u00edvne s\u00fa sk\u00faman\u00e9 napr. tern\u00e1rne syst\u00e9my s\u00a0 b\u00f3rom (Fe-B-X, X= V, C, Mn, Cr, W,&#8230;) ako podsyst\u00e9my ocel\u00ed\u00a0 obsahuj\u00facich b\u00f3r, \u010falej boridy prechodov\u00fdch prvkov (aplik\u00e1cie v\u00a0 jadrovom a chemickom priemysle), zl\u00fa\u010deniny b\u00f3ru s uhl\u00edkom (materi\u00e1ly pre rezn\u00e9 n\u00e1stroje a\u00a0panciere). V\u00fdskum sa realizuje aj v oblasti komplexn\u00fdch kovov\u00fdch zliatin (napr\u00edklad syst\u00e9my Al-Pd-Co, Al-Pd-Mo,&#8230;), kde je doposia\u013e ve\u013emi m\u00e1lo inform\u00e1ci\u00ed aj o bin\u00e1rnych podsyst\u00e9moch.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-734 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/06_Modelovanie-f\u00e1zov\u00fdch-diagramov-a-v\u00fdvoj-termodynamick\u00fdch-datab\u00e1z.jpg\" alt=\"\" width=\"1134\" height=\"249\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/06_Modelovanie-f\u00e1zov\u00fdch-diagramov-a-v\u00fdvoj-termodynamick\u00fdch-datab\u00e1z.jpg 1134w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/06_Modelovanie-f\u00e1zov\u00fdch-diagramov-a-v\u00fdvoj-termodynamick\u00fdch-datab\u00e1z-300x66.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/06_Modelovanie-f\u00e1zov\u00fdch-diagramov-a-v\u00fdvoj-termodynamick\u00fdch-datab\u00e1z-768x169.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/06_Modelovanie-f\u00e1zov\u00fdch-diagramov-a-v\u00fdvoj-termodynamick\u00fdch-datab\u00e1z-1024x225.jpg 1024w\" sizes=\"auto, (max-width: 1134px) 100vw, 1134px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Nanokompozitn\u00e9 materi\u00e1ly na b\u00e1ze hor\u010d\u00edkov\u00fdch zliatin<\/strong><\/span><\/p>\n<p>Hor\u010d\u00edkov\u00e9 zliatiny s\u00fa atrakt\u00edvne materi\u00e1ly pre r\u00f4zne kon\u0161truk\u010dn\u00e9 aplik\u00e1cie. Zlep\u0161ovanie ich mechanick\u00fdch vlastnost\u00ed je mo\u017en\u00e9 prid\u00e1van\u00edm r\u00f4znych\u00a0 \u010dast\u00edc, nano\u010dast\u00edc a uhl\u00edkov\u00fdch nanotrub\u00edc (SiC, Al2O3, CNT) a vyu\u017eit\u00edm met\u00f3d intenz\u00edvnych plastick\u00fdch deform\u00e1ci\u00ed (IPD). Aktu\u00e1lny v\u00fdskum je zameran\u00fd na \u0161t\u00fadium tvorby nanoz\u0155n pri deforma\u010dnom procese met\u00f3dou ECAP. S\u00fa \u0161tudovan\u00e9 zmeny mikro\u0161trukt\u00fary a sub\u0161trukt\u00fary, fyzik\u00e1lne a mechanick\u00e9 vlastnosti, mechanizmy poru\u0161ovania a odolnos\u0165 materi\u00e1lov proti opotrebovaniu v z\u00e1vislosti od r\u00f4znych v\u00fdrobn\u00fdch parametrov a met\u00f3d.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-738 \" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/07_Nanokompozitn\u00e9-materi\u00e1ly-na-b\u00e1ze-hor\u010d\u00edkov\u00fdch-zliatin.jpg\" alt=\"\" width=\"1467\" height=\"381\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/07_Nanokompozitn\u00e9-materi\u00e1ly-na-b\u00e1ze-hor\u010d\u00edkov\u00fdch-zliatin.jpg 1467w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/07_Nanokompozitn\u00e9-materi\u00e1ly-na-b\u00e1ze-hor\u010d\u00edkov\u00fdch-zliatin-300x78.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/07_Nanokompozitn\u00e9-materi\u00e1ly-na-b\u00e1ze-hor\u010d\u00edkov\u00fdch-zliatin-768x199.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/07_Nanokompozitn\u00e9-materi\u00e1ly-na-b\u00e1ze-hor\u010d\u00edkov\u00fdch-zliatin-1024x266.jpg 1024w\" sizes=\"auto, (max-width: 1467px) 100vw, 1467px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Biodegradovate\u013en\u00e9 zliatiny<\/strong><\/span><\/p>\n<p>Zliatiny Ca-Mg, Ca-Zn, Ca-Al, Ca-Cu, ako aj tern\u00e1rne zliatiny typu Ca-Mg-Zn a Ca-Mg-Cu sa vyzna\u010duj\u00fa\u00a0 ve\u013emi malou mernou hmotnos\u0165ou (~2000 kg.m-1), najni\u017e\u0161ou spomedzi v\u0161etk\u00fdch doteraz zn\u00e1mych kovov\u00fdch skiel. Ich modul pru\u017enosti (Youngov modul) ~20-35 GPa je bl\u00edzky hodnot\u00e1m pru\u017enosti \u013eudsk\u00fdch kost\u00ed. Navy\u0161e, tieto zliatiny vykazuj\u00fa ve\u013emi n\u00edzku teplotu sklenia Tg (~120-250 \u00b0C), pri ktorej prech\u00e1dzaj\u00fa z tvrd\u00e9ho a pevn\u00e9ho stavu do \u013eahko tvarovate\u013en\u00e9ho stavu, \u010do je sp\u00f4soben\u00e9 skokov\u00fdm poklesom viskozity zliatin a\u017e o nieko\u013eko r\u00e1dov. Z poh\u013eadu ich mo\u017en\u00e9ho bud\u00faceho vyu\u017eitia v medic\u00edne a chirurgii je ve\u013emi d\u00f4le\u017eit\u00e9, \u017ee s\u00fastavy typu Ca-Mg, Ca-Zn a Ca-Mg-Zn pozost\u00e1vaj\u00fa v\u00fdhradne iba z biodegradovate\u013en\u00fdch kovov. Doposia\u013e boli realizovan\u00e9 merania t\u00fdchto zliatin na synchrotr\u00f3nov\u00fdch zdrojoch, difrak\u010dn\u00e9 a mikrodifrak\u010dn\u00e9 na P07\/PETRA III a ID22 ESRF, spektroskopick\u00e9 na ID26 ESRF a neutr\u00f3nov\u00e9 na reaktore v Budape\u0161ti.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-739 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/08_Biodegradovate\u013en\u00e9-zliatiny.jpg\" alt=\"\" width=\"6324\" height=\"1207\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/08_Biodegradovate\u013en\u00e9-zliatiny.jpg 6324w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/08_Biodegradovate\u013en\u00e9-zliatiny-300x57.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/08_Biodegradovate\u013en\u00e9-zliatiny-768x147.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/08_Biodegradovate\u013en\u00e9-zliatiny-1024x195.jpg 1024w\" sizes=\"auto, (max-width: 6324px) 100vw, 6324px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Disperzne spevnen\u00e9 nanokompozitn\u00e9 kovov\u00e9 materi\u00e1ly ur\u010den\u00e9 pre vysokoteplotn\u00e9 aplik\u00e1cie<\/strong><\/span><\/p>\n<p>Kompozity pozost\u00e1vaj\u00face z nanokry\u0161talickej kovovej matrice spevnenej\u00a0 nano\u010dasticami disperzoidov s\u00fa ve\u013emi s\u013eubn\u00e9 materi\u00e1ly, vhodn\u00e9 pre ve\u013ek\u00e9 mno\u017estvo aplik\u00e1ci\u00ed pracuj\u00facich pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch v\u00a0automobilovom, elektrotechnickom a\u00a0leteckom priemysle. V s\u00fa\u010dasnosti s\u00fa vo svete vyv\u00edjan\u00e9 r\u00f4zne met\u00f3dy na pr\u00edpravu disperzne spevnen\u00fdch materi\u00e1lov. Ich \u00fa\u010delom je z\u00edskanie vysoko pevn\u00fdch, teplotne stabiln\u00fdch zliatin s v\u00fdhodn\u00fdmi fyzik\u00e1lnymi vlastnos\u0165ami. Cie\u013eom n\u00e1\u0161ho v\u00fdskumu je v\u00fdvoj stabilnej ultrajemnej \u0161trukt\u00fary matricov\u00e9ho pr\u00e1\u0161ku pripraven\u00e9ho progres\u00edvnou pr\u00e1\u0161kovou technol\u00f3giou zalo\u017eenou na mechano\u2013chemick\u00fdch procesoch zah\u0155\u0148aj\u00facich v jednej oper\u00e1cii f\u00e1zov\u00fa transform\u00e1ciu prekurzorov, zjem\u0148ovanie matrice a homog\u00e9nne rozlo\u017eenie sekund\u00e1rnych \u010dast\u00edc. V\u00fdvoj je zameran\u00fd na syst\u00e9my s ne\u017eeleznou kovovou matricou, predov\u0161etk\u00fdm na b\u00e1ze Cu a Al. Anal\u00fdza sk\u00faman\u00fdch mechanick\u00fdch a fyzik\u00e1lnych charakterist\u00edk materi\u00e1lu so sp\u00e4tnou v\u00e4zbou na \u0161trukt\u00faru vedie k dosiahnutiu praxou po\u017eadovan\u00fdch kombin\u00e1ci\u00ed vlastnost\u00ed kompozitu. Materi\u00e1l maj\u00faci konkr\u00e9tne po\u017eadovan\u00e9 parametre, je mo\u017en\u00e9 pou\u017ei\u0165 najm\u00e4 na r\u00f4zne vysokoteplotn\u00e9 aplik\u00e1cie v\u00a0elektrotechnickom priemysle (napr. bodov\u00e9 zv\u00e1racie elektr\u00f3dy).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-740 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/09_Disperzne-spevnen\u00e9-nanokompozitn\u00e9-kovov\u00e9-materi\u00e1ly-ur\u010den\u00e9-pre-vysokoteplotn\u00e9-aplik\u00e1cie.png\" alt=\"\" width=\"2605\" height=\"687\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/09_Disperzne-spevnen\u00e9-nanokompozitn\u00e9-kovov\u00e9-materi\u00e1ly-ur\u010den\u00e9-pre-vysokoteplotn\u00e9-aplik\u00e1cie.png 2605w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/09_Disperzne-spevnen\u00e9-nanokompozitn\u00e9-kovov\u00e9-materi\u00e1ly-ur\u010den\u00e9-pre-vysokoteplotn\u00e9-aplik\u00e1cie-300x79.png 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/09_Disperzne-spevnen\u00e9-nanokompozitn\u00e9-kovov\u00e9-materi\u00e1ly-ur\u010den\u00e9-pre-vysokoteplotn\u00e9-aplik\u00e1cie-768x203.png 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/09_Disperzne-spevnen\u00e9-nanokompozitn\u00e9-kovov\u00e9-materi\u00e1ly-ur\u010den\u00e9-pre-vysokoteplotn\u00e9-aplik\u00e1cie-1024x270.png 1024w\" sizes=\"auto, (max-width: 2605px) 100vw, 2605px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Nov\u00e9 typy bezolovnat\u00fdch p\u00e1jok<\/strong><\/span><\/p>\n<p>V oblasti v\u00fdkonovej elektroniky sa neust\u00e1le h\u013eadaj\u00fa nov\u00e9 mo\u017enosti vytv\u00e1rania kvalitn\u00fdch spojov pre komponenty v\u00fdkonovej elektroniky, ako aj pre automobilov\u00fa elektroniku, ktor\u00e9 by sa vyzna\u010dovali vynikaj\u00facou spo\u013eahlivos\u0165ou a dlhodobou \u017eivotnos\u0165ou bez degrada\u010dn\u00e9ho vplyvu intermetalick\u00fdch zl\u00fa\u010den\u00edn, a to aj v podmienkach zv\u00fd\u0161en\u00e9ho termomechanick\u00e9ho nam\u00e1hania. V\u00fdskum a v\u00fdvoj nov\u00fdch ne\u0161tandardn\u00fdch typov sp\u00e1jkovac\u00edch zliatin na b\u00e1ze c\u00ednu s netypickou mikro\u0161trukt\u00farou mo\u017eno zaradi\u0165 medzi aktu\u00e1lne\u00a0 \u00falohy, ktor\u00fdch v\u00fdsledkom m\u00f4\u017eu by\u0165 nov\u00e9 perspekt\u00edvne materi\u00e1ly so zlep\u0161en\u00fdmi vlastnos\u0165ami, ktor\u00e9 spl\u0148uj\u00fa po\u017eiadavky kladen\u00e9 na materi\u00e1ly spojov v\u00fdkonovej elektroniky. V tejto oblasti pripravujeme nov\u00e9 typy bezolovnat\u00fdch sp\u00e1jok s vy\u0161\u0161\u00edm podielom intermetalick\u00fdch f\u00e1z, ktor\u00e9 zabezpe\u010dia excelentn\u00e9 mechanick\u00e9 vlastnosti, ako pri izbovej teplote, tak aj pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Synchrotr\u00f3nov\u00fd v\u00fdskum sa bude orientova\u0165 na charakteriz\u00e1ciu pripraven\u00fdch nov\u00fdch zliatin a ich spojov, s\u00fa\u010dasne popri tom na n\u00e1ro\u010dn\u00fd v\u00fdskum charakterizuj\u00faci at\u00f3mov\u00fa \u0161trukt\u00faru taven\u00edn.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-741 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/10_Nov\u00e9-typy-bezolovnat\u00fdch-p\u00e1jok.jpg\" alt=\"\" width=\"6015\" height=\"1048\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/10_Nov\u00e9-typy-bezolovnat\u00fdch-p\u00e1jok.jpg 6015w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/10_Nov\u00e9-typy-bezolovnat\u00fdch-p\u00e1jok-300x52.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/10_Nov\u00e9-typy-bezolovnat\u00fdch-p\u00e1jok-768x134.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/10_Nov\u00e9-typy-bezolovnat\u00fdch-p\u00e1jok-1024x178.jpg 1024w\" sizes=\"auto, (max-width: 6015px) 100vw, 6015px\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>Metalhydridov\u00e9 zliatiny pre efekt\u00edvne usklad\u0148ovanie vod\u00edka<\/strong><\/span><\/p>\n<p>Skladovanie vod\u00edka je ve\u013emi d\u00f4le\u017eitou zlo\u017ekou syst\u00e9mu vod\u00edkov\u00e9ho hospod\u00e1rstva. Pri s\u00fa\u010dasnom rozvoji automobilov\u00e9ho priemyslu a \u0161ir\u0161ej aplik\u00e1cii vod\u00edka ako paliva v doprave, je k\u013e\u00fa\u010dovou podmienkou zv\u00fd\u0161enie efekt\u00edvnosti pri usklad\u0148ovan\u00ed tohto plynu. Cie\u013eom n\u00e1\u0161ho v\u00fdskumu je n\u00e1vrh a pr\u00edprava nov\u00fdch typov metalhydridov\u00fdch zliatin, prednostne met\u00f3dou r\u00fdchleho ochladzovania. Komplexne charakterizova\u0165 makro a mikro\u0161trukt\u00fary, teplotn\u00fa stabilitu a mechanick\u00e9 vlastnost\u00ed nami pripraven\u00fdch metalhydridov\u00fdch zliatin, a to \u0161tandardn\u00fdmi met\u00f3dami pou\u017e\u00edvan\u00fdmi v materi\u00e1lovom v\u00fdskume (sveteln\u00e1, rastrovacia a transmisn\u00e1 elektr\u00f3nov\u00e1 mikroskopia, diferen\u010dn\u00e1 skenovacia kalorimetria, rtg. difrakcia, sk\u00fa\u0161ky pevnosti a tvrdosti), tak aj pomocou synchrotr\u00f3nov\u00e9ho \u017eiarenia (rtg. difrakcia tvrd\u00e9ho rtg. \u017eiarenia, in-situ vysokoteplotn\u00e9 rtg. difrak\u010dn\u00e9 experimenty, rtg. absorp\u010dn\u00e1 spektroskopia) v eur\u00f3pskych v\u00fdskumn\u00fdch centr\u00e1ch ako DESY Nemecko, ESRF Franc\u00fazsko alebo Diamond light source UK.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-742 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/11_Metalhydridov\u00e9-zliatiny-pre-efekt\u00edvne-usklad\u0148ovanie-vod\u00edka.jpg\" alt=\"\" width=\"5594\" height=\"1178\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/11_Metalhydridov\u00e9-zliatiny-pre-efekt\u00edvne-usklad\u0148ovanie-vod\u00edka.jpg 5594w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/11_Metalhydridov\u00e9-zliatiny-pre-efekt\u00edvne-usklad\u0148ovanie-vod\u00edka-300x63.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/11_Metalhydridov\u00e9-zliatiny-pre-efekt\u00edvne-usklad\u0148ovanie-vod\u00edka-768x162.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/11_Metalhydridov\u00e9-zliatiny-pre-efekt\u00edvne-usklad\u0148ovanie-vod\u00edka-1024x216.jpg 1024w\" sizes=\"auto, (max-width: 5594px) 100vw, 5594px\" \/><\/p>\n<p><strong><span style=\"color: #ff6600;\">Nov\u00e9 typy termoelektrick\u00fdch zliatin<\/span> <\/strong><\/p>\n<p>Termoelektrick\u00e9 materi\u00e1ly s\u00fa perspekt\u00edvnou oblas\u0165ou dne\u0161n\u00e9ho materi\u00e1lov\u00e9ho v\u00fdskumu. Materi\u00e1ly schopn\u00e9 efekt\u00edvne transformova\u0165 prebyto\u010dn\u00e9 teplo Zeme, resp. stratov\u00e9 teplo z priemyselnej produkcie do podoby elektrickej energie, s\u00fa dnes ve\u013emi \u017eiadan\u00e9. V\u00fdskum v tejto oblasti bude veden\u00fd v oblasti v\u00fdvoja a v\u00fdskumu materi\u00e1lov s komplexnou kovovou alebo kovovo-oxidickou \u0161trukt\u00farou. Na tento v\u00fdskum chceme v bud\u00facnosti z\u00edska\u0165 podporu medzin\u00e1rodn\u00fdch projektov vo v\u00fdzvach Horizont 2020, ESA (European Space Agancy) grantov, ako aj projektov typu M-ERA.NET.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-743 size-full\" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/12_Nov\u00e9-typy-termoelektrick\u00fdch-zliatin.jpg\" alt=\"\" width=\"7597\" height=\"1287\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/12_Nov\u00e9-typy-termoelektrick\u00fdch-zliatin.jpg 7597w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/12_Nov\u00e9-typy-termoelektrick\u00fdch-zliatin-300x51.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/12_Nov\u00e9-typy-termoelektrick\u00fdch-zliatin-768x130.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/12_Nov\u00e9-typy-termoelektrick\u00fdch-zliatin-1024x173.jpg 1024w\" sizes=\"auto, (max-width: 7597px) 100vw, 7597px\" \/><span style=\"color: #ff6600;\"><strong>Vrstevnat\u00e9 materi\u00e1ly pre geoterm\u00e1lne aplik\u00e1cie<\/strong><\/span><\/p>\n<p>Charakteriz\u00e1cia nov\u00fdch typov vrstevnat\u00fdch materi\u00e1lov pripraven\u00fdch zv\u00e1ran\u00edm v\u00fdbuchom. Materi\u00e1ly pripraven\u00e9 takouto technol\u00f3giou (schopnou spoji\u0165 ve\u013emi rozdielne typy kovov a zliatin) maj\u00fa ve\u013ek\u00fd potenci\u00e1l nahradi\u0165 dnes pou\u017e\u00edvan\u00e9 materi\u00e1ly vo vysoko koroz\u00edvnych prostrediach geoterm\u00e1lneho priemyslu, a to napr. vo v\u00fdmenn\u00edkoch tepla, expanzn\u00fdch n\u00e1dob\u00e1ch, rozvodn\u00fdch potrubiach a pod. Vzh\u013eadom na ve\u013ek\u00fd po\u010det geoterm\u00e1lnych zdrojov na na\u0161om \u00fazem\u00ed, je tak\u00fdto v\u00fdskum ve\u013emi zauj\u00edmav\u00fd aj pre potreby Slovenskej republiky. Tak\u00e9to materi\u00e1ly n\u00e1jdu uplatnenie aj v petrochemickom a potravin\u00e1rskom priemysle.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-744 \" src=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/13_Vrstevnat\u00e9-materi\u00e1ly-pre-geoterm\u00e1lne-aplik\u00e1cie.jpg\" alt=\"\" width=\"1376\" height=\"324\" srcset=\"https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/13_Vrstevnat\u00e9-materi\u00e1ly-pre-geoterm\u00e1lne-aplik\u00e1cie.jpg 6627w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/13_Vrstevnat\u00e9-materi\u00e1ly-pre-geoterm\u00e1lne-aplik\u00e1cie-300x71.jpg 300w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/13_Vrstevnat\u00e9-materi\u00e1ly-pre-geoterm\u00e1lne-aplik\u00e1cie-768x181.jpg 768w, https:\/\/websrv.saske.sk\/imr\/wp-content\/uploads\/2019\/03\/13_Vrstevnat\u00e9-materi\u00e1ly-pre-geoterm\u00e1lne-aplik\u00e1cie-1024x241.jpg 1024w\" sizes=\"auto, (max-width: 1376px) 100vw, 1376px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Vysokopevn\u00e9 ocele pre automobilov\u00fd priemysel V\u00fdskum sa realizuje za \u00fa\u010delom zn\u00ed\u017eenia hmotnosti karos\u00e9rie automobilov, pri\u010dom aktu\u00e1lnym cie\u013eom je v\u00fdvoj ultra-vysokopevnej dvojf\u00e1zovej ocele s d\u00f4razom&#8230;<\/p>\n","protected":false},"author":1,"featured_media":727,"parent":106,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-127","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/127","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=127"}],"version-history":[{"count":11,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/127\/revisions"}],"predecessor-version":[{"id":1513,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/127\/revisions\/1513"}],"up":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/pages\/106"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/media\/727"}],"wp:attachment":[{"href":"https:\/\/websrv.saske.sk\/imr\/wp-json\/wp\/v2\/media?parent=127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}