{"id":3950,"date":"2024-03-18T06:10:15","date_gmt":"2024-03-18T06:10:15","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/cocrfeni-powder\/"},"modified":"2024-03-18T06:10:15","modified_gmt":"2024-03-18T06:10:15","slug":"cocrfeni-powder","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/cs\/product\/cocrfeni-powder\/","title":{"rendered":"Pr\u00e1\u0161ok CoCrFeNi"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"><\/p>\n<h2>P\u0159ehled pr\u00e1\u0161ku CoCrFeNi<\/h2>\n<p class=\"whitespace-pre-wrap\">Pr\u00e1\u0161ek CoCrFeNi, zn\u00e1m\u00fd tak\u00e9 jako pr\u00e1\u0161ek CoCrFeNiMn nebo pr\u00e1\u0161ek slitiny s vysokou entropi\u00ed (HEA), ozna\u010duje materi\u00e1l slo\u017een\u00fd z prvk\u016f kobalt, chrom, \u017eelezo a nikl v t\u00e9m\u011b\u0159 ekviatomick\u00fdch pom\u011brech. Tento nov\u00fd pr\u00e1\u0161ek ze slitiny vykazuje v\u00fdjime\u010dn\u00e9 vlastnosti ve srovn\u00e1n\u00ed s konven\u010dn\u00edmi slitinami a z\u00edskal v\u00fdznamn\u00fd z\u00e1jem pro r\u016fzn\u00e9 aplikace.<\/p>\n<p class=\"whitespace-pre-wrap\">Mezi kl\u00ed\u010dov\u00e9 vlastnosti pr\u00e1\u0161kov\u00e9ho materi\u00e1lu CoCrFeNi pat\u0159\u00ed:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Vysok\u00e1 konfigura\u010dn\u00ed entropie s vynikaj\u00edc\u00ed tvrdost\u00ed, pevnost\u00ed, odolnost\u00ed v\u016f\u010di korozi a teplotn\u00ed stabilitou<\/li>\n<li class=\"whitespace-normal\">Jednotn\u00e1 struktura mikrom\u0159\u00ed\u017eky FCC s pevn\u00fdm roztokem<\/li>\n<li class=\"whitespace-normal\">V\u00fdborn\u00e1 kombinace pevnosti a tv\u00e1rnosti<\/li>\n<li class=\"whitespace-normal\">Vysok\u00e1 odolnost proti lomu<\/li>\n<li class=\"whitespace-normal\">Dobr\u00e1 obr\u00e1b\u011btelnost a tv\u00e1\u0159itelnost<\/li>\n<li class=\"whitespace-normal\">Odolnost proti zm\u011bk\u010dov\u00e1n\u00ed p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/li>\n<li class=\"whitespace-normal\">P\u0159izp\u016fsobiteln\u00e9 pomoc\u00ed drobn\u00fdch p\u0159\u00eddavk\u016f prvk\u016f, jako je mangan<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Jedine\u010dn\u00e1 porucha v uspo\u0159\u00e1d\u00e1n\u00ed atom\u016f CoCrFeNi ud\u011bluje vynikaj\u00edc\u00ed mechanick\u00e9 vlastnosti. T\u00e9m\u011b\u0159 stejn\u00e9 koncentrace hlavn\u00edch prvk\u016f br\u00e1n\u00ed pohybu dislokac\u00ed, \u010d\u00edm\u017e se zlep\u0161uje tvrdost. V\u00edcef\u00e1zov\u00e1 struktura poskytuje zes\u00edlen\u00ed pevn\u00e9ho roztoku prost\u0159ednictv\u00edm deforma\u010dn\u00edch \u00fa\u010dink\u016f m\u0159\u00ed\u017eky.<\/p>\n<h3>Slo\u017een\u00ed pr\u00e1\u0161ku CoCrFeNi<\/h3>\n<p class=\"whitespace-pre-wrap\">Slo\u017een\u00ed pr\u00e1\u0161ku CoCrFeNi HEA lze p\u0159izp\u016fsobit, obecn\u011b ale obsahuje:<\/p>\n<table>\n<thead>\n<tr>\n<th>Element<\/th>\n<th>Obvykl\u00fd rozsah slo\u017een\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kobalt (Co)<\/td>\n<td>20\u201335 at.%<\/td>\n<\/tr>\n<tr>\n<td>Chrom (Cr)<\/td>\n<td>20\u201335 at.%<\/td>\n<\/tr>\n<tr>\n<td>\u017delezo (Fe)<\/td>\n<td>20\u201335 at.%<\/td>\n<\/tr>\n<tr>\n<td>Nikl (Ni)<\/td>\n<td>20\u201335 at.%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Ekviatomick\u00fd pom\u011br poskytuje maxim\u00e1ln\u00ed konfigura\u010dn\u00ed entropii, ale men\u0161\u00ed odchylky v\u00fdznamn\u011b neovliv\u0148uj\u00ed vlastnosti. P\u0159\u00eddavky 1-2 at.% manganu jsou b\u011b\u017en\u00e9 pro dal\u0161\u00ed zlep\u0161en\u00ed vlastnost\u00ed prost\u0159ednictv\u00edm zjemn\u011bn\u00ed zrna a zpevn\u011bn\u00ed sr\u00e1\u017een\u00edm.<\/p>\n<h3>Vlastnosti pr\u00e1\u0161ku CoCrFeNi<\/h3>\n<p class=\"whitespace-pre-wrap\">Pr\u00e1\u0161ek slitiny CoCrFeNi vykazuje jedine\u010dnou kombinaci vynikaj\u00edc\u00edch vlastnost\u00ed:<\/p>\n<table>\n<thead>\n<tr>\n<th>Nemovitost<\/th>\n<th>Hodnoty<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hustota<\/td>\n<td>7,5-8,3 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>Teplota t\u00e1n\u00ed<\/td>\n<td>1200\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>Mikrotvrdost<\/td>\n<td>2,5\u20134 GPa<\/td>\n<\/tr>\n<tr>\n<td>Maxim\u00e1ln\u00ed pevnost v tahu<\/td>\n<td>500\u20131300 MPa<\/td>\n<\/tr>\n<tr>\n<td>Mez kluzu<\/td>\n<td>200\u20131100 MPa<\/td>\n<\/tr>\n<tr>\n<td>Prodlou\u017een\u00ed<\/td>\n<td>10-60%<\/td>\n<\/tr>\n<tr>\n<td>Young\u016fv modul<\/td>\n<td>150-250 GPa<\/td>\n<\/tr>\n<tr>\n<td>Modul pru\u017enosti ve smyku<\/td>\n<td>65-85 GPa<\/td>\n<\/tr>\n<tr>\n<td>Poisson\u016fv pom\u011br<\/td>\n<td>0.21-0.33<\/td>\n<\/tr>\n<tr>\n<td>Hou\u017eevnatost lomu<\/td>\n<td>&gt;100 MPa\u00a9|m<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 vodivost<\/td>\n<td>10\u201330 W\/mK<\/td>\n<\/tr>\n<tr>\n<td>Elektrick\u00fd odpor<\/td>\n<td>70-100 n\u00b4\u00cem<\/td>\n<\/tr>\n<tr>\n<td>Odolnost proti korozi<\/td>\n<td>Vynikaj\u00edc\u00ed v r\u016fzn\u00fdch prost\u0159ed\u00edch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Visok\u00e1 tvrdost pramen\u00ed z pevnosti tuhostn\u00e9ho roztoku, zat\u00edmco struktura FCC prop\u016fj\u010duje dobrou ta\u017enost. Vlastnosti mohou b\u00fdt upraveny prost\u0159ednictv\u00edm \u00faprav slo\u017een\u00ed a zpracov\u00e1n\u00ed.<\/p>\n<h3>Vlastnosti pr\u00e1\u0161ku CoCrFeNi<\/h3>\n<p class=\"whitespace-pre-wrap\">Mezi n\u011bkter\u00e9 v\u00fdrazn\u00e9 vlastnosti slitinov\u00e9ho pr\u00e1\u0161ku CoCrFeNi pat\u0159\u00ed:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Jednof\u00e1zov\u00e1 FCC struktura bez intermetalick\u00fdch f\u00e1z\u00ed<\/li>\n<li class=\"whitespace-normal\">\u017d\u00edh\u00e1n\u00ed dvoj\u010dat a z\u00e1vad ve stohov\u00e1n\u00ed<\/li>\n<li class=\"whitespace-normal\">Equiaxed pr\u00e1\u0161kov\u00fd morfologie s dobrou tekutost\u00ed<\/li>\n<li class=\"whitespace-normal\">Distribuce velikosti \u010d\u00e1stic v rozsahu 15-150 \u00c3\u00d7m<\/li>\n<li class=\"whitespace-normal\">Vysok\u00e1 \u010distota a n\u00edzk\u00fd obsah kysl\u00edku<\/li>\n<li class=\"whitespace-normal\">Tvar pr\u00e1\u0161kov\u00fdch \u010d\u00e1stic kulovit\u00fd, povrch pr\u00e1\u0161ku hladk\u00fd<\/li>\n<li class=\"whitespace-normal\">P\u0159izp\u016fsobiteln\u00e1 velikost, tvar a slo\u017een\u00ed pr\u00e1\u0161ku<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Pr\u00e1\u0161ek vykazuje vysokou chemickou homogenitu s rovnom\u011brn\u00fdm rozd\u011blen\u00edm leguj\u00edc\u00edch prvk\u016f. Tvar kuli\u010dek zaji\u0161\u0165uje dobr\u00e9 balen\u00ed a vlastnosti tekutosti.<\/p>\n<h2>Pou\u017eit\u00ed CoCrFeNi pr\u00e1\u0161ku<\/h2>\n<p class=\"whitespace-pre-wrap\">V\u00fdjime\u010dn\u00e1 kombinace pevnosti, hou\u017eevnatosti a zpracovatelnosti pr\u00e1\u0161ku CoCrFeNi jej \u010din\u00ed vhodn\u00fdm pro:<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Aditivn\u00ed v\u00fdroba:<\/strong> Vynikaj\u00edc\u00ed tisknutelnost vzhledem k dobr\u00fdm charakteristik\u00e1m pr\u016ftoku a taven\u00ed. Pou\u017e\u00edv\u00e1 se pro leteck\u00fd pr\u016fmysl, tvorbu n\u00e1stroj\u016f a biomedic\u00ednsk\u00e9 implant\u00e1ty.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Povlaky z tepeln\u011b nan\u00e1\u0161en\u00fdch post\u0159ik\u016f:<\/strong> Odolnost proti opot\u0159eben\u00ed, korozi a teplotn\u00edmu zm\u011bk\u010dov\u00e1n\u00ed. Potahov\u00e9 hmoty pro mechanick\u00e9, lodn\u00ed a chemick\u00e9 aplikace.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>V\u00fdvoj slitin:<\/strong> Z\u00e1kladn\u00ed materi\u00e1l pro nov\u00e9 slitiny s vysokou entropi\u00ed s p\u0159\u00edsadami Al, Ti atd.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Metal Injection Molding:<\/strong> Vysoce tuh\u00e9 d\u00edly s dobrou rozm\u011brovou stabilitou pro leteck\u00fd a automobilov\u00fd pr\u016fmysl.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Metalurgie pr\u00e1\u0161k\u016f:<\/strong> Vysoce v\u00fdkonn\u00e9 d\u00edly z pr\u00e1\u0161kov\u00e9 metalurgie s vyv\u00e1\u017eenou pevnost\u00ed a ta\u017enost\u00ed.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Kryogenn\u00ed aplikace:<\/strong> Udr\u017een\u00ed ta\u017enosti a hou\u017eevnatosti p\u0159i teplot\u00e1ch pod nulou.<\/p>\n<h2>Specifikace pr\u00e1\u0161ku CoCrFeNi<\/h2>\n<p class=\"whitespace-pre-wrap\">Pr\u00e1\u0161ek slitiny CoCrFeNi je k dispozici v r\u016fzn\u00fdch velikostn\u00edch rozmez\u00edch, slo\u017een\u00edch a form\u00e1ch:<\/p>\n<table>\n<thead>\n<tr>\n<th>Parametr<\/th>\n<th>Varianty<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Rozsah velikost\u00ed<\/td>\n<td>15-25 \u00b5m, 25-45 \u00b5m, 45 -75 \u00b5m, 75-105 \u00b5m, 105-150 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td>Kompozice<\/td>\n<td>Ekviatomick\u00e9, vlastn\u00ed pom\u011bry prvk\u016f<\/td>\n<\/tr>\n<tr>\n<td>Pr\u00e1\u0161kov\u00e1 forma<\/td>\n<td>Kuli\u010dkov\u00fd, nepravideln\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Zp\u016fsob v\u00fdroby<\/td>\n<td>Plynov\u00e1\/vodn\u00ed atomizace, mechanick\u00e9 legov\u00e1n\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Formul\u00e1\u0159 Dod\u00e1vky<\/td>\n<td>Voln\u00e9 pr\u00e1\u0161ky, sp\u00e9kan\u00e9 p\u0159edlisky<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">V\u011bt\u0161\u00ed velikosti pr\u00e1\u0161ku 45-150 \u00c3 \u00d7m jsou preferov\u00e1ny pro tepeln\u00e9 st\u0159\u00edk\u00e1n\u00ed a vst\u0159ikov\u00e1n\u00ed kov\u016f. Jemn\u011bj\u0161\u00ed velikosti 15-45 \u00c3 \u00d7m se pou\u017e\u00edvaj\u00ed pro aditivn\u00ed v\u00fdrobu. Velikost, tvary, obsah kysl\u00edku a tekutost pr\u00e1\u0161ku lze upravovat dle pot\u0159eb.<\/p>\n<h2>Dodavatel\u00e9 pr\u00e1\u0161ku CoCrFeNi<\/h2>\n<p class=\"whitespace-pre-wrap\">Mezi p\u0159edn\u00ed sv\u011btov\u00e9 dodavatele pr\u00e1\u0161k\u016f ze slitiny s vysokou entropi\u00ed CoCrFeNi pat\u0159\u00ed:<\/p>\n<table>\n<thead>\n<tr>\n<th>Spole\u010dnost<\/th>\n<th>v\u00fdrobn\u00ed kapacita<\/th>\n<th>Um\u00edst\u011bn\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sandvik<\/td>\n<td>200 tun ro\u010dn\u011b<\/td>\n<td>\u0160v\u00e9dsko<\/td>\n<\/tr>\n<tr>\n<td>Praxair<\/td>\n<td>150 tun ro\u010dn\u011b<\/td>\n<td>USA<\/td>\n<\/tr>\n<tr>\n<td>Hoganas<\/td>\n<td>100 tun ro\u010dn\u011b<\/td>\n<td>\u0160v\u00e9dsko<\/td>\n<\/tr>\n<tr>\n<td>CNPC Pr\u00e1\u0161ek<\/td>\n<td>50 tun ro\u010dn\u011b<\/td>\n<td>\u010c\u00edna<\/td>\n<\/tr>\n<tr>\n<td>Carpenter Technologies<\/td>\n<td>40 tun za rok<\/td>\n<td>USA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Pr\u00e1\u0161ky jsou v\u0161eobecn\u011b vyr\u00e1b\u011bny metodami plynov\u00e9 nebo vodn\u00ed atomizace. Od t\u011bchto dodavatel\u016f je mo\u017en\u00e9 z\u00edskat vlastn\u00ed slo\u017een\u00ed a velikost pr\u00e1\u0161ku.<\/p>\n<h3>cena<\/h3>\n<table>\n<thead>\n<tr>\n<th>Velikost pr\u00e1\u0161ku<\/th>\n<th>Cenov\u00e9 rozp\u011bt\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>15\u201345 mikron\u016f<\/td>\n<td>150\u2013200 K\u010d za kg<\/td>\n<\/tr>\n<tr>\n<td>45-105 mikron\u016f<\/td>\n<td>100\u2013150 K\u010d\/kg<\/td>\n<\/tr>\n<tr>\n<td>105\u2013150+ mikron\u016f<\/td>\n<td>80-120 CZK za kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">V\u011bt\u0161\u00ed velikosti pr\u00e1\u0161ku jsou levn\u011bj\u0161\u00ed d\u00edky vy\u0161\u0161\u00edm v\u00fdrobn\u00edm rychlostem p\u0159i atomizaci. Speci\u00e1ln\u00ed slitiny a slo\u017een\u00ed jsou dra\u017e\u0161\u00ed. Ceny pr\u00e1\u0161ku klesaj\u00ed kv\u016fli rostouc\u00ed tr\u017en\u00ed konkurenci a kapacit\u011b.<\/p>\n<h2>V\u00fdhody a nev\u00fdhody pr\u00e1\u0161ku CoCrFeNi<\/h2>\n<table>\n<thead>\n<tr>\n<th>V\u00fdhody<\/th>\n<th>Omezen\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vynikaj\u00edc\u00ed pevnost a tvrdost<\/td>\n<td>Vysok\u00e9 n\u00e1klady na materi\u00e1ly kv\u016fli Co a Ni<\/td>\n<\/tr>\n<tr>\n<td>Vynikaj\u00edc\u00ed ta\u017enost a hou\u017eevnatost<\/td>\n<td>Omezen\u00e1 data o dlouhodob\u00e9 v\u00fdkonnosti<\/td>\n<\/tr>\n<tr>\n<td>Skv\u011bl\u00e1 vyrobitelnost pomoc\u00ed AM, MIM, PM<\/td>\n<td>\u0158e\u0161en\u00ed probl\u00e9m\u016f s zpracov\u00e1n\u00edm pomoc\u00ed mikrostruktur\u00e1ln\u00ed regulace<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 a mikrostruktur\u00e1ln\u00ed stabilita<\/td>\n<td>Kompozice mus\u00ed b\u00fdt p\u0159esn\u011b kontrolov\u00e1na<\/td>\n<\/tr>\n<tr>\n<td>Vysok\u00e1 odolnost proti korozi a opot\u0159eben\u00ed<\/td>\n<td>Ni\u017e\u0161\u00ed zpracovatelnost ne\u017e u b\u011b\u017en\u00fdch slitin<\/td>\n<\/tr>\n<tr>\n<td>Zachov\u00e1v\u00e1 si pevnost p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/td>\n<td>\u010casto vy\u017eaduje n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed HIP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-pre-wrap\">Pr\u00e1\u0161ok HEA CoCrFeNi umo\u017e\u0148uje pou\u017e\u00edt komponenty s bezkonkuren\u010dn\u00ed kombinac\u00ed vlastnost\u00ed. N\u00e1klady na materi\u00e1l a zpracov\u00e1n\u00ed jsou v\u0161ak vysok\u00e9. Mikrostruktura a vlastnosti velmi z\u00e1visej\u00ed na p\u0159esn\u00e9 kontrole slo\u017een\u00ed.<\/p>\n<h2>Srovn\u00e1n\u00ed s alternativami<\/h2>\n<p class=\"whitespace-pre-wrap\"><strong>Vs. nerezov\u00e9 ocelov\u00e9 pr\u00e1\u0161ky<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Vy\u0161\u0161\u00ed pevnost a tvrdost<\/li>\n<li class=\"whitespace-normal\">Vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed a korozi<\/li>\n<li class=\"whitespace-normal\">Vy\u0161\u0161\u00ed cena z\u00e1kladn\u00edho materi\u00e1lu<\/li>\n<li class=\"whitespace-normal\">Ni\u017e\u0161\u00ed zpracovatelnost a sva\u0159itelnost<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Vs. pr\u00e1\u0161kov\u00e9 n\u00e1strojov\u00e9 ocele<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Lep\u0161\u00ed tv\u00e1rnost a hou\u017eevnatost p\u0159i lomu<\/li>\n<li class=\"whitespace-normal\">Ni\u017e\u0161\u00ed dlouhodob\u00e1 pevnost p\u0159i vysok\u00e9 teplot\u011b<\/li>\n<li class=\"whitespace-normal\">M\u00e9n\u011b zaveden\u00e9 metody zpracov\u00e1n\u00ed<\/li>\n<li class=\"whitespace-normal\">Omezen\u00e1 velikost a varianta slitiny<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Vs. pr\u00e1\u0161ky ze super slitiny Inconel<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Srovnateln\u00e1 pevnost p\u0159i vysok\u00fdch teplot\u00e1ch<\/li>\n<li class=\"whitespace-normal\">Levn\u011bj\u0161\u00ed materi\u00e1l<\/li>\n<li class=\"whitespace-normal\">Krat\u0161\u00ed historie v\u00fdkon\u016f<\/li>\n<li class=\"whitespace-normal\">Omezen\u00e1 mikrostruktur\u00e1ln\u00ed stabilita p\u0159i velmi vysok\u00fdch teplot\u00e1ch<\/li>\n<\/ul>\n<h2>\u010cast\u00e9 dotazy<\/h2>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Co je pr\u00e1\u0161ek s vysokou entropi\u00ed slitiny (HEA)?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Pr\u00e1\u0161ok HEA obsahuje v\u00edce hlavn\u00edch prvk\u016f v t\u00e9m\u011b\u0159 ekviatomick\u00fdch pom\u011brech, aby produkovaly v\u00fdjime\u010dn\u00e9 vlastnosti jako s\u00edla, ta\u017enost a stabilita. Pr\u00e1\u0161ek CoCrFeNi je p\u0159edn\u00edm HEA.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Jak\u00e9 jsou typick\u00e9 dostupn\u00e9 velikosti pr\u00e1\u0161ku CoCrFeNi?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: B\u011b\u017en\u00e9 rozsahy velikost\u00ed \u010d\u00e1stic \u010din\u00ed 15\u201345 \u00b5m pro AM, 45\u2013105 \u00b5m pro tepeln\u00e9 st\u0159\u00edk\u00e1n\u00ed a 105\u2013150 \u00b5m pro MIM a jin\u00e9 aplikace. Lze p\u0159izp\u016fsobit jemn\u011bj\u0161\u00ed a hrub\u0161\u00ed velikosti.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Ot\u00e1zka: Co ovliv\u0148uje cenu pr\u00e1\u0161ku slitiny CoCrFeNi?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Cena se stanovuje v z\u00e1vislosti na velikosti pr\u00e1\u0161ku, slo\u017een\u00ed, \u010distot\u011b, zp\u016fsobu v\u00fdroby a mno\u017estv\u00ed objednan\u00e9ho zbo\u017e\u00ed. V\u011bt\u0161\u00ed velikosti nad 100 \u00b5m jsou levn\u011bj\u0161\u00ed. Mal\u00e9 dopl\u0148ky \u010di u\u017e\u0161\u00ed rozsahy slo\u017een\u00ed cenu zvy\u0161uj\u00ed.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Ot\u00e1zka: Jak je vyroben pr\u00e1\u0161ek z vysoko entropick\u00fdch slitin CoCrFeNi?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">Hlavn\u00edmi zp\u016fsoby v\u00fdroby jsou plynov\u00e1 a vodn\u00ed atomizace. Pr\u00e1\u0161ek lze vyrobit tak\u00e9 mechanick\u00fdm legov\u00e1n\u00ed nebo kryomlet\u00edm p\u0159edlegovan\u00fdch ingot\u016f.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Dotaz: Jak\u00e9 existuj\u00ed p\u0159\u00edklady aplikac\u00ed pr\u00e1\u0161kov\u00e9 slitiny CoCrFeNi?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Hlavn\u00ed vyu\u017eit\u00ed jsou aditivn\u00ed v\u00fdroba n\u00e1stroj\u016f a sou\u010d\u00e1stek do leteck\u00e9ho pr\u016fmyslu, tepeln\u011b st\u0159\u00edkan\u00e9 povlaky odoln\u00e9 proti opot\u0159eben\u00ed\/korozi, v\u00fdvoj slitin, vst\u0159ikov\u00e9 lisov\u00e1n\u00ed kov\u016f automobilov\u00fdch d\u00edl\u016f a pr\u00e1\u0161kov\u00e1 metalurgie vysoce v\u00fdkonn\u00fdch sou\u010d\u00e1st\u00ed.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Jak\u00e9 jsou kl\u00ed\u010dov\u00e9 vlastnosti pr\u00e1\u0161ku CoCrFeNi HEA?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Ve srovn\u00e1n\u00ed s b\u011b\u017en\u00fdmi slitinami vykazuje v\u00fdjime\u010dnou kombinaci vysok\u00e9 pevnosti, tvrdosti, ta\u017enosti, odolnosti proti lomu, tepeln\u00e9 stability a odolnosti proti korozi.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Jak\u00e9 jsou limity pr\u00e1\u0161ku CoCrFeNi?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Nev\u00fdhody zahrnuj\u00ed vysok\u00e9 z\u00e1kladn\u00ed n\u00e1klady na materi\u00e1l, v\u00fdzvy p\u0159i ovl\u00e1d\u00e1n\u00ed mikrostruktury b\u011bhem zpracov\u00e1n\u00ed, omezen\u00e1 dostupnost dat o dlouhodob\u00e9m v\u00fdkonu a sn\u00ed\u017een\u00e1 sva\u0159itelnost ve srovn\u00e1n\u00ed s ocelemi.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Ot\u00e1zka: Jak prach z CoCrFeNi srovn\u00e1 s n\u00e1strojovou ocel\u00ed a nerezovou ocel\u00ed?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: M\u00e1 podstatn\u011b vy\u0161\u0161\u00ed pevnost a tvrdost, ale hor\u0161\u00ed zpracovatelnost ne\u017e nerezov\u00e9 oceli. Ve srovn\u00e1n\u00ed s n\u00e1strojov\u00fdmi ocelemi m\u00e1 vynikaj\u00edc\u00ed hou\u017eevnatost a ta\u017enost.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Ot\u00e1zka: Je CoCrFeNi vhodn\u00fd pro kryogenn\u00ed aplikace?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Ano, p\u0159i teplot\u00e1ch pod bodem mrazu si zachov\u00e1v\u00e1 dobrou ta\u017enost a hou\u017eevnatost, zat\u00edmco tradi\u010dn\u00ed slitiny se st\u00e1vaj\u00ed k\u0159ehk\u00fdmi. To z n\u011bj \u010din\u00ed u\u017eite\u010dn\u00fd materi\u00e1l pro kryogenn\u00ed za\u0159\u00edzen\u00ed.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Ot\u00e1zka: Je mo\u017en\u00e9 upravit slo\u017een\u00ed pr\u00e1\u0161ku CoCrFeNi?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Ano, dodavatel\u00e9 mohou zajistit nestandardn\u00ed pom\u011bry prvk\u016f mimo ekviatom\u00e1rn\u00ed slo\u017een\u00ed. B\u011b\u017en\u00e9 \u00fapravy jsou 1\u20132 at.% p\u0159\u00eddavek Mn nebo Co pro p\u0159izp\u016fsoben\u00ed vlastnost\u00ed.<\/p>\n<p><\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>P\u0159ehled pr\u00e1\u0161ku CoCrFeNi Pr\u00e1\u0161ek CoCrFeNi, zn\u00e1m\u00fd tak\u00e9 jako pr\u00e1\u0161ek CoCrFeNiMn nebo pr\u00e1\u0161ek slitiny s vysokou entropi\u00ed (HEA), ozna\u010duje materi\u00e1l slo\u017een\u00fd z prvk\u016f kobaltu, chromu, \u017eeleza a niklu v t\u00e9m\u011b\u0159 rovnom\u011brn\u00e9m pom\u011bru. Tato nov\u00e1 pr\u00e1\u0161kov\u00e1 slitina vykazuje ve srovn\u00e1n\u00ed s b\u011b\u017en\u00fdmi slitinami v\u00fdjime\u010dn\u00e9 vlastnosti a vzbudila zna\u010dn\u00fd z\u00e1jem o r\u016fzn\u00e9 aplikace. N\u011bkter\u00e9 kl\u00ed\u010dov\u00e9 vlastnosti...<\/p>","protected":false},"featured_media":1789,"parent":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product-category":[119,127],"class_list":["post-3950","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-3d-printing-metal-powder","product-category-high-entropy-alloy-powder"],"acf":[],"taxonomy_info":{"product-category":[{"value":119,"label":"3D Printing Metal Powder"},{"value":127,"label":"High Entropy Alloy Powder"}]},"featured_image_src_large":["https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/02\/FeCoNiCrAl-powder.jpg",600,600,false],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/product\/3950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/media\/1789"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/media?parent=3950"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/product-category?post=3950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}