{"id":1363,"date":"2024-10-17T06:25:35","date_gmt":"2024-10-17T06:25:35","guid":{"rendered":"https:\/\/nbaem.com\/?p=1363"},"modified":"2025-09-18T04:15:27","modified_gmt":"2025-09-18T04:15:27","slug":"what-is-magnetic-permeability","status":"publish","type":"post","link":"https:\/\/nbaem.com\/sk\/what-is-magnetic-permeability\/","title":{"rendered":"\u010co je magnetick\u00e1 permeabilita"},"content":{"rendered":"<div class=\"post-single\">\n<div class=\"post-content\">\n<h2>Defin\u00edcia magnetickej permeabilities<\/h2>\n<p>Magnetick\u00e1 permeabilita je z\u00e1kladn\u00e1 vlastnos\u0165, ktor\u00e1 meria schopnos\u0165 materi\u00e1lu podporova\u0165 tvorbu magnetick\u00e9ho po\u013ea vo vn\u00fatri seba. Veda ju definuje ako pomer magnetickej zlo\u017eky (B) k intenzite magnetick\u00e9ho po\u013ea (H), vyjadren\u00fd ako \u03bc = B \/ H. Jednoducho povedan\u00e9, ukazuje, ako \u013eahko m\u00f4\u017ee magnetick\u00e9 pole prenikn\u00fa\u0165 a existova\u0165 vo vn\u00fatri materi\u00e1lu.<\/p>\n<p>Magnetick\u00e1 permeabilita sa l\u00ed\u0161i od magnetickej susceptibility a relat\u00edvnej permeability. Zatia\u013e \u010do magnetick\u00e1 susceptibilita sa t\u00fdka toho, ako ve\u013emi sa materi\u00e1l stane magnetizovan\u00fdm v reakcii na aplikovan\u00e9 magnetick\u00e9 pole, relat\u00edvna permeabilita je pomer permeabilty materi\u00e1lu k permeabilite vo\u013en\u00e9ho priestoru (vakua). Pochopenie t\u00fdchto rozdielov napom\u00e1ha objasni\u0165, ako materi\u00e1ly interaguj\u00fa s magnetick\u00fdmi po\u013eami v r\u00f4znych aplik\u00e1ci\u00e1ch.<\/p>\n<h2>Fyzik\u00e1lny v\u00fdznam a jednotky magnetickej permeability<\/h2>\n<p>Magnetick\u00e1 permeabilita s\u00favis\u00ed so dvoma k\u013e\u00fa\u010dov\u00fdmi veli\u010dinami: magnetickou zlo\u017ekou toku (B) a zlo\u017ekou intenzity magnetick\u00e9ho po\u013ea (H). Jednoducho povedan\u00e9,\u00a0<strong>B<\/strong>\u00a0predstavuje mno\u017estvo magnetick\u00e9ho po\u013ea prel\u00ednaj\u00faceho materi\u00e1lom, zatia\u013e \u010do\u00a0<strong>H<\/strong>\u00a0je sila magnetick\u00e9ho po\u013ea aplikovan\u00e9ho na dan\u00fd materi\u00e1l. Magnetick\u00e1 permeabilita (\u03bc) ukazuje, ako ve\u013emi materi\u00e1l umo\u017e\u0148uje prech\u00e1dza\u0165 magnetick\u00fdch \u010diarom s\u00edl cez neho, vypo\u010d\u00edtan\u00e1 pod\u013ea vzorca\u00a0<strong>\u03bc = B \/ H<\/strong>.<\/p>\n<p>\u010co sa t\u00fdka jednotiek, magnetick\u00e1 permeabilita sa meria v\u00a0<strong>Henrys per meter (H\/m)<\/strong>\u00a0v s\u00fastave SI. Existuj\u00fa dva typy, ktor\u00e9 treba ma\u0165 na pam\u00e4ti:<\/p>\n<ul>\n<li><strong>Absol\u00fatna permeabilita (\u03bc)<\/strong>: skuto\u010dn\u00e1 permeabilita materi\u00e1lu.<\/li>\n<li><strong>Relat\u00edvna permeabilita (\u03bcr)<\/strong>: bezrozmern\u00fd pomer porovn\u00e1vaj\u00faci permeabilitu materi\u00e1lu s permeabilitou vo\u013en\u00e9ho priestoru.<\/li>\n<\/ul>\n<p>Priepustnos\u0165 vo\u013en\u00e9ho priestoru, tie\u017e naz\u00fdvan\u00e1 aj priepustnos\u0165 vaku (<strong>\u03bc0<\/strong>), je kon\u0161tanta hodnoten\u00e1 pribli\u017ene\u00a0<strong>4\u03c0 \u00d7 10\u207b\u2077 H\/m<\/strong>. T\u00e1to kon\u0161tanta je v\u00fdchodiskom, ktor\u00e9 sa pou\u017e\u00edva na pochopenie, ako materi\u00e1ly reaguj\u00fa na magnetick\u00e9 polia v porovnan\u00ed s pr\u00e1zdnym priestorom.<\/p>\n<h2>Typy magnetick\u00fdch materi\u00e1lov na z\u00e1klade priepustnosti<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/pub-36eea33d6f1540d281c285671ffb8664.r2.dev\/2025\/09\/18\/Magnetic_Materials_Permeability_Types_mn9ryXubI.webp\" alt=\"Permeabilita magnetick\u00fdch materi\u00e1lov druhy\" \/><\/p>\n<p>Magnetick\u00e9 materi\u00e1ly sa zvy\u010dajne klasifikuj\u00fa do troch typov pod\u013ea ich magnetickej priepustnosti: diamagnetick\u00e9, paramagnetick\u00e9 a feromagnetick\u00e9.<\/p>\n<ul>\n<li><strong>Diamagnetick\u00e9 materi\u00e1ly<\/strong>\u00a0maj\u00fa ve\u013emi n\u00edzku priepustnos\u0165, \u010dasto ni\u017e\u0161iu ne\u017e pr\u00e1zdny priestor (\u03bc0). Slabo odpudzuj\u00fa magnetick\u00e9 polia. Pr\u00edklady zah\u0155\u0148aj\u00fa me\u010f, bismut a zlato. Ich priepustnos\u0165 je bl\u00edzka hodnote 1 alebo e\u0161te o nie\u010do ni\u017e\u0161ia, ke\u010f sa vyjadruje ako relat\u00edvna priepustnos\u0165 (\u03bcr).<\/li>\n<li><strong>Paramagnetick\u00e9 materi\u00e1ly<\/strong>\u00a0maj\u00fa relat\u00edvnu priepustnos\u0165 trochu v\u00e4\u010d\u0161iu ako 1. Slabo pri\u0165ahuj\u00fa magnetick\u00e9 polia, ale nezachov\u00e1vaj\u00fa magnetiz\u00e1ciu po odstr\u00e1nen\u00ed po\u013ea. Hlin\u00edk a platina s\u00fa be\u017en\u00e9 pr\u00edklady. Tieto materi\u00e1ly vykazuj\u00fa mal\u00e9 pozit\u00edvne zlep\u0161enie priepustnosti v porovnan\u00ed s diamagnetick\u00fdmi materi\u00e1lmi.<\/li>\n<li><strong>Feromagnetick\u00e9 materi\u00e1ly<\/strong>\u00a0preukazuj\u00fa ve\u013emi vysok\u00fa priepustnos\u0165, niekedy tis\u00edcekr\u00e1t vy\u0161\u0161iu ne\u017e pr\u00e1zdny priestor. Tieto materi\u00e1ly, ako \u017eelezo, kobalt a nikl, silno pri\u0165ahuj\u00fa a m\u00f4\u017eu udr\u017eiava\u0165 magnetick\u00e9 polia, \u010do ich rob\u00ed k\u013e\u00fa\u010dov\u00fdmi pre mnoho magnetick\u00fdch aplik\u00e1ci\u00ed. Ich priepustnos\u0165 sa v\u00fdrazne l\u00ed\u0161i pod\u013ea zlo\u017eenia a spracovania, ale je v\u017edy ove\u013ea v\u00e4\u010d\u0161ia ne\u017e 1.<\/li>\n<\/ul>\n<p>Priepustnos\u0165 priamo ovplyv\u0148uje, ako materi\u00e1ly reaguj\u00fa na magnetick\u00e9 polia:<\/p>\n<ul>\n<li>Vysok\u00e1 priepustnos\u0165 znamen\u00e1, \u017ee materi\u00e1l dobre vedie magnetick\u00fd tok, \u010do zvy\u0161uje v\u00fdkonnos\u0165 a \u00fa\u010dinnos\u0165 magnetov.<\/li>\n<li>N\u00edzka permeabilita materi\u00e1lov poskytuje minim\u00e1lnu magnetick\u00fa odpove\u010f a m\u00f4\u017ee sa pou\u017ei\u0165 tam, kde je potrebn\u00e9 minimalizova\u0165 magnetick\u00e9 ru\u0161enie.<\/li>\n<\/ul>\n<p>Pochopenie t\u00fdchto rozdielov pom\u00e1ha pri v\u00fdbere spr\u00e1vneho magnetick\u00e9ho materi\u00e1lu pre va\u0161u aplik\u00e1ciu, \u010di u\u017e ide o transform\u00e1tory, senzory alebo tiene\u0148ovanie. Pre viac inform\u00e1ci\u00ed o magnetick\u00fdch materi\u00e1loch a ich magnetick\u00fdch vlastnostiach si pre\u010d\u00edtajte n\u00e1\u0161 sprievodca o druhoch magnetick\u00fdch materi\u00e1lov a rozdieloch medzi nimi\u00a0<span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/sk\/paramagnetic-and-diamagnetic-and-ferromagnetic\/\" target=\"_blank\" rel=\"noopener\">paramagnetick\u00fdmi a diamagnetick\u00fdmi materi\u00e1lmi<\/a>.<\/span><\/p>\n<h2>Faktory ovplyv\u0148uj\u00face magnetick\u00fa permeabilitu<\/h2>\n<p>Magnetick\u00e1 permeabilita nie je pevnou hodnotou \u2014 men\u00ed sa v z\u00e1vislosti od nieko\u013ek\u00fdch k\u013e\u00fa\u010dov\u00fdch faktorov:<\/p>\n<ul>\n<li><strong>Teplota<\/strong>: Ako teplota st\u00fapa, magnetick\u00e1 permeabilita v\u00e4\u010d\u0161iny materi\u00e1lov kles\u00e1. Napr\u00edklad feromagnetick\u00e9 materi\u00e1ly str\u00e1caj\u00fa svoju vysok\u00fa permeabilitu v bl\u00edzkosti svojej Curie teploty, kde prest\u00e1vaj\u00fa by\u0165 magneticky usporiadan\u00e9.<\/li>\n<li><strong>Frekvencia magnetick\u00e9ho po\u013ea<\/strong>: Pri vy\u0161\u0161\u00edch frekvenci\u00e1ch sa u niektor\u00fdch materi\u00e1lov prejavuje zn\u00ed\u017een\u00e1 permeabilita v d\u00f4sledku efektov ako v\u00edriv\u00e9 pr\u00fady a hyst\u00e9za. To znamen\u00e1, \u017ee materi\u00e1l, ktor\u00fd na n\u00edzkych frekvenci\u00e1ch funguje v\u00fdborne, nemus\u00ed ma\u0165 tak\u00fd v\u00fdkon pri r\u00e1diov\u00fdch alebo mikrovlnn\u00fdch frekvenci\u00e1ch.<\/li>\n<li><strong>Zlo\u017eenie a \u0161trukt\u00fara materi\u00e1lu<\/strong>: Typ prvkov v materi\u00e1li a jeho vn\u00fatorn\u00e1 \u0161trukt\u00fara v\u00fdrazne ovplyv\u0148uj\u00fa permeabilitu. \u010cistota, ve\u013ekos\u0165 zrnov a kry\u0161t\u00e1lov\u00e1 orient\u00e1cia m\u00f4\u017eu v\u0161etky zmeni\u0165 to, ako \u013eahko prech\u00e1dzaj\u00fa magnetick\u00e9 polia.<\/li>\n<li><strong>Vplyvy zvonka<\/strong>: Nap\u00e4tie alebo mechanick\u00e9 deform\u00e1cie m\u00f4\u017eu meni\u0165 magnetick\u00e9 dom\u00e9ny v materi\u00e1li, \u010do ovplyv\u0148uje permeabilitu. Tie\u017e, ke\u010f sa materi\u00e1l bl\u00ed\u017ei k magnetick\u00e9mu nasyceniu \u2014 \u010do znamen\u00e1, \u017ee v\u00e4\u010d\u0161ina jeho magnetick\u00fdch dom\u00e9n je zarovnan\u00e1 \u2014 jeho permeabilita kles\u00e1, preto\u017ee nedok\u00e1\u017ee podpori\u0165 silnej\u0161ie magnetick\u00e9 pole.<\/li>\n<\/ul>\n<p>Pochopenie t\u00fdchto faktorov pom\u00e1ha pri v\u00fdbere magnetick\u00fdch materi\u00e1lov pre konkr\u00e9tne aplik\u00e1cie, obzvl\u00e1\u0161\u0165 na eur\u00f3pskom trhu, kde v\u00fdkon za r\u00f4znych podmienok m\u00e1 ve\u013ek\u00fd v\u00fdznam.<\/p>\n<h2>Meranie magnetickej permeability<\/h2>\n<p>Meranie magnetickej permeability presne je k\u013e\u00fa\u010dom k pochopeniu magnetick\u00e9ho spr\u00e1vania materi\u00e1lu. Be\u017en\u00e9 techniky zah\u0155\u0148aj\u00fa\u00a0<strong>vibruj\u00face magnetometre vzorky (VSM)<\/strong>\u00a0a\u00a0<strong>impeda\u010dn\u00e9 met\u00f3dy<\/strong>. VSM funguj\u00fa tak, \u017ee vibruj\u00fa vzorku v magnetickom poli a zaznamen\u00e1vaj\u00fa magnetick\u00fa odpove\u010f, \u010do poskytuje presn\u00e9 merania permeability, zvl\u00e1\u0161\u0165 pre mal\u00e9 alebo tenk\u00e9 vzorky. Impeda\u010dn\u00e9 met\u00f3dy zah\u0155\u0148aj\u00fa pou\u017eitie striedav\u00e9ho pr\u00fadu na cievku obop\u00ednaj\u00facu materi\u00e1l a anal\u00fdzu toho, ako materi\u00e1l ovplyv\u0148uje rezistenciu a induk\u010dnos\u0165 cievky.<\/p>\n<p>Pri meran\u00ed permeability zohr\u00e1vaj\u00fa \u00falohu praktick\u00e9 faktory:<\/p>\n<ul>\n<li><strong>tvar a ve\u013ekos\u0165 vzorky<\/strong>\u00a0m\u00f4\u017eu ovplyvni\u0165 v\u00fdsledky v d\u00f4sledku okrajov\u00fdch efektov alebo nerovnomern\u00fdch pol\u00ed.<\/li>\n<li><strong>Frekvencia aplikovan\u00e9ho magnetick\u00e9ho po\u013ea<\/strong>\u00a0ovplyv\u0148uje merania, preto\u017ee permeability sa m\u00f4\u017ee meni\u0165 s frekvenciou.<\/li>\n<li><strong>Riadenie teploty<\/strong>\u00a0je d\u00f4le\u017eit\u00e9, preto\u017ee permeabilita sa men\u00ed s teplotou.<\/li>\n<li>Zabezpe\u010denie, \u017ee materi\u00e1l nie je bl\u00edzko\u00a0<strong>magnetickej satur\u00e1cie<\/strong>\u00a0pom\u00e1ha vyhn\u00fa\u0165 sa skresleniu meran\u00ed.<\/li>\n<\/ul>\n<p>V\u00fdzvy vypl\u00fdvaj\u00fa z magnetickej nelinearity materi\u00e1lu a vn\u00fatorn\u00e9ho nap\u00e4tia, ktor\u00e9 m\u00f4\u017eu sp\u00f4sobova\u0165 vari\u00e1cie v permeabilite. Okrem toho zohr\u00e1vaj\u00fa \u00falohu aj environment\u00e1lne magnetick\u00e9 \u0161umy a kalibr\u00e1cia pr\u00edstrojov pri presnosti merania. Napriek t\u00fdmto v\u00fdzvam s\u00fa spo\u013eahliv\u00e9 merania magnetickej permeability, s spr\u00e1vnym vybaven\u00edm a nastaven\u00edm, poskytuj\u00fa nevyhnutn\u00e9 \u00fadaje pre aplik\u00e1cie magnetick\u00fdch materi\u00e1lov.<\/p>\n<h2>Aplik\u00e1cie magnetickej permeability v priemysle a technol\u00f3gi\u00e1ch<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/pub-36eea33d6f1540d281c285671ffb8664.r2.dev\/2025\/09\/18\/Magnetic_Permeability_in_Industrial_Applications_7.webp\" alt=\"Magnetick\u00e1 permeabilita v priemyseln\u00fdch aplik\u00e1ci\u00e1ch\" \/><\/p>\n<p>Magnetick\u00e1 permeabilita zohr\u00e1va ve\u013ek\u00fa \u00falohu v mnoh\u00fdch odvetviach tutaj na Slovensku, najm\u00e4 tam, kde s\u00fa magnetick\u00e9 materi\u00e1ly k\u013e\u00fa\u010dov\u00e9. Napr\u00edklad,\u00a0<strong>elektrick\u00e9 transform\u00e1tory a induktory<\/strong>\u00a0z\u00e1visia od materi\u00e1lov s spr\u00e1vnou permeabilitou na \u00fa\u010dinn\u00e9 smerovanie magnetick\u00fdch pol\u00ed a zni\u017eovanie energetick\u00fdch str\u00e1t. Bez spr\u00e1vnej permeability tieto zariadenia nem\u00f4\u017eu dosahova\u0165 lep\u0161\u00ed v\u00fdkon ani dlh\u0161iu \u017eivotnos\u0165.<\/p>\n<p>Magnetick\u00e1 permeabilita je tie\u017e ve\u013emi d\u00f4le\u017eit\u00e1 v\u00a0<strong>magnetickom tienen\u00ed<\/strong>. Ke\u010f chcete chr\u00e1ni\u0165 citliv\u00fa elektroniku pred pomocn\u00fdmi magnetick\u00fdmi po\u013eami, materi\u00e1ly s vysokou alebo prisp\u00f4sobenou permeabilitou pom\u00e1haj\u00fa blokova\u0165 alebo preusmerova\u0165 tieto polia. To je k\u013e\u00fa\u010dov\u00e9 v leteckom a vesm\u00edrnom priemysle, v zdravotn\u00edckych zariadeniach a dokonca aj v spotrebnej elektronike.<\/p>\n<p>\u010eal\u0161ou v\u00fdznamnou oblas\u0165ou s\u00fa\u00a0<strong>ulo\u017eenie d\u00e1t a magnetick\u00e9 senzory<\/strong>. Pevn\u00e9 disky a mnoho senzorov\u00fdch technol\u00f3gi\u00ed z\u00e1vis\u00ed od materi\u00e1lov s konkr\u00e9tnymi hodnotami permeability, aby presne \u010d\u00edtali alebo ukladali magnetick\u00e9 sign\u00e1ly. \u010c\u00edm lep\u0161ia je kontrola permeability, t\u00fdm vy\u0161\u0161\u00ed v\u00fdkon a spo\u013eahlivos\u0165 t\u00fdchto zariaden\u00ed.<\/p>\n<p>Spolo\u010dnosti ako NBAEM poskytuj\u00fa magnetick\u00e9 materi\u00e1ly s presn\u00fdmi hodnotami permeability prisp\u00f4soben\u00fdmi t\u00fdmto aplik\u00e1ci\u00e1m. Ich materi\u00e1ly pom\u00e1haj\u00fa slovensk\u00fdm v\u00fdrobcom splni\u0165 pr\u00edsne \u0161pecifik\u00e1cie t\u00fdm, \u017ee zais\u0165uj\u00fa konzistentn\u00e9 magnetick\u00e9 spr\u00e1vanie, \u010do priamo ovplyv\u0148uje \u00fa\u010dinnos\u0165 a trvanlivos\u0165 koncov\u00fdch v\u00fdrobkov. \u010ci u\u017e ide o energetick\u00e9 syst\u00e9my, tiene alebo senzory, pou\u017eitie materi\u00e1lov od NBAEM s navrhnutou permeabilitou m\u00f4\u017ee v\u00fdrazne ovplyvni\u0165 v\u00fdkon.<\/p>\n<h2>Magnetick\u00e1 permeabilita v pokro\u010dil\u00fdch materi\u00e1loch<\/h2>\n<p>Magnetick\u00e1 permeabilita zohr\u00e1va rozhoduj\u00facu \u00falohu pri rozli\u0161ovan\u00ed m\u00e4kk\u00fdch a tvrd\u00fdch magnetick\u00fdch materi\u00e1lov. M\u00e4kk\u00e9 magnetick\u00e9 materi\u00e1ly, napr\u00edklad krem\u00edkov\u00e1 oce\u013e alebo ur\u010dit\u00e9 ferrity, maj\u00fa vysok\u00fa permeabilitu, \u010do znamen\u00e1, \u017ee \u013eahko podopieraj\u00fa magnetick\u00e9 polia a r\u00fdchlo reaguj\u00fa na zmeny. To s\u00fa ide\u00e1lne materi\u00e1ly pre transform\u00e1tory, induktory a elektromagnety, kde je potrebn\u00e1 efekt\u00edvna magnetiz\u00e1cia a demagnetiz\u00e1cia. Naopak, tvrd\u00e9 magnetick\u00e9 materi\u00e1ly, ako s\u00fa vz\u00e1cne kovy magnety, maj\u00fa ni\u017e\u0161iu permeabilitu, ale udr\u017eiavaj\u00fa magnetiz\u00e1ciu dlh\u0161ie, \u010do z nich rob\u00ed k\u013e\u00fa\u010dov\u00e9 pre trvalo magnety.<\/p>\n<p>Najnov\u0161ie inov\u00e1cie sa zameriavaj\u00fa na navrhovanie magnetick\u00fdch materi\u00e1lov s prisp\u00f4sobenou permeabilitou, aby vyhoveli konkr\u00e9tnym po\u017eiadavk\u00e1m. Vedci vyv\u00edjaj\u00fa kompozity a nano\u0161trukt\u00farovan\u00e9 materi\u00e1ly, ktor\u00e9 pon\u00fakaj\u00fa riaden\u00fa permeabilitu, zlep\u0161uj\u00fa v\u00fdkon v zariadeniach ako vysokofrekven\u010dn\u00e9 transform\u00e1tory alebo kompaktn\u00e9 energetick\u00e9 skladovacie syst\u00e9my. Tieto pokroky umo\u017e\u0148uj\u00fa lep\u0161iu kontrolu nad magnetick\u00fdmi stratami a energetickou \u00fa\u010dinnos\u0165ou.<\/p>\n<p>D\u00f4le\u017eitos\u0165 magnetickej permeability je obzvl\u00e1\u0161\u0165 vysok\u00e1 v rozv\u00edjaj\u00facich sa technol\u00f3gi\u00e1ch, ako s\u00fa elektromagnetika a energetick\u00e9 zariadenia. Napr\u00edklad:<\/p>\n<ul>\n<li>Efekt\u00edvne induktory a trafo v syst\u00e9moch obnovite\u013enej energie vy\u017eaduj\u00fa materi\u00e1ly s optimalizovanou permeabilitou pre minim\u00e1lne energetick\u00e9 straty.<\/li>\n<li>Motory elektrick\u00fdch vozidiel profituj\u00fa z magnetick\u00fdch materi\u00e1lov navrhnut\u00fdch pre \u0161pecifick\u00fa permeabilitu na zlep\u0161enie kr\u00fatiaceho momentu a zmen\u0161enie ve\u013ekosti.<\/li>\n<li>Pokro\u010dil\u00e9 senzory a pohony sa spoliehaj\u00fa na materi\u00e1ly, kde je permeabilita jemne laden\u00e1 pre presnos\u0165 a odozvu.<\/li>\n<\/ul>\n<p>Pochopenie permeability modern\u00fdch magnetick\u00fdch materi\u00e1lov pom\u00e1ha v\u00fdrobcovi na slovenskom trhu navrhova\u0165 lep\u0161ie produkty pre odvetvia od automobilov\u00e9ho a\u017e po obnovite\u013en\u00fa energiu. Pre \u010fal\u0161ie inform\u00e1cie o magnetick\u00fdch materi\u00e1loch a ich klasifik\u00e1ci\u00e1ch si pozrite\u00a0<strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/sk\/type-of-magnetic-materials\/\" target=\"_blank\" rel=\"noopener\">Druhy magnetick\u00fdch materi\u00e1lov<\/a>\u00a0<\/span><\/strong>a presk\u00famajte najnov\u0161\u00ed v\u00fdskum na\u00a0<strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/sk\/recent-advances-in-magnetic-material-research\/\">Najnov\u0161ie pokroky vo v\u00fdskume magnetick\u00fdch materi\u00e1lov<\/a>.<\/span><\/strong><\/p>\n<\/div>\n<\/div>\n<nav class=\"post-navigation thw-sept\">\n<div class=\"row no-gutters\">\n<div class=\"col-12 col-md-6\"><\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>Defin\u00edcia magnetickej permeability Magnetick\u00e1 permeabilita je fundament\u00e1lna vlastnos\u0165, ktor\u00e1 meria schopnos\u0165 materi\u00e1lu podporova\u0165 tvorbu magnetick\u00e9ho po\u013ea vo vn\u00fatri seba. Odborne je to definovan\u00e9 ako pomer magnetickej bum (B) k intenzite magnetick\u00e9ho po\u013ea (H), vyjadren\u00e9 ako \u03bc = B \/ H. V jednoduch\u00fdch term\u00ednoch,<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1363","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/1363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/comments?post=1363"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/1363\/revisions"}],"predecessor-version":[{"id":2896,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/1363\/revisions\/2896"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/media?parent=1363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/categories?post=1363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/tags?post=1363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}