{"id":2034,"date":"2025-08-28T04:18:30","date_gmt":"2025-08-28T04:18:30","guid":{"rendered":"https:\/\/nbaem.com\/?p=2034"},"modified":"2025-08-28T04:28:06","modified_gmt":"2025-08-28T04:28:06","slug":"soft-magnetic-materials-vs-hard-magnetic-materials","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/soft-magnetic-materials-vs-hard-magnetic-materials\/","title":{"rendered":"Pr\u016fvodce m\u011bkk\u00fdmi a tvrd\u00fdmi magnetick\u00fdmi materi\u00e1ly"},"content":{"rendered":"<h2>Porozum\u011bn\u00ed magnetick\u00fdm materi\u00e1l\u016fm<\/h2>\n<p>Magnetick\u00e9 materi\u00e1ly jsou l\u00e1tky, kter\u00e9 reaguj\u00ed na magnetick\u00e9 pole a mohou bu\u010f vytv\u00e1\u0159et magnetismus, nebo b\u00fdt j\u00edm ovlivn\u011bny. Hraj\u00ed kl\u00ed\u010dovou roli v nes\u010detn\u00fdch elektrick\u00fdch, elektronick\u00fdch a pr\u016fmyslov\u00fdch aplikac\u00edch, od v\u00fdroby energie po ukl\u00e1d\u00e1n\u00ed dat.<\/p>\n<h3>Definice a klasifikace magnetick\u00fdch materi\u00e1l\u016f<\/h3>\n<p>Magnetick\u00e9 materi\u00e1ly jsou obecn\u011b klasifikov\u00e1ny podle toho, jak reaguj\u00ed na vn\u011bj\u0161\u00ed magnetick\u00e9 pole:<\/p>\n<ul>\n<li><strong>Diamagnetick\u00e9 materi\u00e1ly<\/strong> \u2013 Slab\u011b odpuzuj\u00ed magnetick\u00e1 pole (nap\u0159\u00edklad m\u011b\u010f, zlato)<\/li>\n<li><strong>Paramagnetick\u00e9 materi\u00e1ly<\/strong> \u2013 Slab\u011b p\u0159itahuj\u00ed magnetick\u00e1 pole (nap\u0159\u00edklad hlin\u00edk, platina)<\/li>\n<li><strong>Feromagnetick\u00e9 materi\u00e1ly<\/strong> \u2013 Siln\u011b p\u0159itahuj\u00ed a jsou schopny trval\u00e9 magnetizace (nap\u0159\u00edklad \u017eelezo, nikl, kobalt)<\/li>\n<\/ul>\n<p>Uvnit\u0159 <strong>feromagnetick\u00e9 materi\u00e1ly<\/strong>, je d\u00e1le d\u011bl\u00edme na <strong>m\u011bkk\u00fdch magnetick\u00fdch materi\u00e1lech<\/strong> a <strong>tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/strong> na z\u00e1klad\u011b jejich magnetick\u00fdch vlastnost\u00ed a toho, jak si udr\u017euj\u00ed magnetismus.<\/p>\n<h3>Obecn\u00e9 magnetick\u00e9 vlastnosti, kter\u00e9 je t\u0159eba zn\u00e1t<\/h3>\n<p>Ka\u017ed\u00fd magnetick\u00fd materi\u00e1l m\u00e1 jedine\u010dn\u00e9 fyzik\u00e1ln\u00ed a magnetick\u00e9 vlastnosti, kter\u00e9 ur\u010duj\u00ed, jak m\u016f\u017ee b\u00fdt pou\u017eit:<\/p>\n<ul>\n<li><strong>Permeabilita<\/strong> \u2013 Jak snadno lze materi\u00e1l magnetizovat<\/li>\n<li><strong>Koercivita<\/strong> \u2013 Odolnost v\u016f\u010di demagnetizaci<\/li>\n<li><strong>Zbytkov\u00e1 magnetizace<\/strong> \u2013 Zb\u00fdvaj\u00edc\u00ed magnetismus po odstran\u011bn\u00ed vn\u011bj\u0161\u00edho magnetick\u00e9ho pole<\/li>\n<li><strong>Saturace magnetizace<\/strong> \u2013 Maxim\u00e1ln\u00ed magnetismus, kter\u00fd materi\u00e1l m\u016f\u017ee udr\u017eet<\/li>\n<li><strong>Ztr\u00e1ta hystereze<\/strong> \u2013 Energie ztracen\u00e1 b\u011bhem cykl\u016f magnetizace a demagnetizace<\/li>\n<\/ul>\n<p>Pochopen\u00ed t\u011bchto vlastnost\u00ed je kl\u00ed\u010dov\u00e9 pro v\u00fdb\u011br spr\u00e1vn\u00e9ho materi\u00e1lu pro danou aplikaci, a\u0165 u\u017e jde o j\u00e1dro transform\u00e1toru, kter\u00e9 pot\u0159ebuje n\u00edzkou energetickou ztr\u00e1tu, nebo o permanentn\u00ed magnet, kter\u00fd mus\u00ed udr\u017eet siln\u00e9 magnetick\u00e9 pole po dlouhou dobu.<\/p>\n<h2>Co jsou m\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly<\/h2>\n<p>M\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly jsou kovy nebo slitiny, kter\u00e9 lze snadno magnetizovat a demagnetizovat. Jsou navr\u017eeny pro aplikace, kde mus\u00ed magnetick\u00e9 pole \u010dasto m\u011bnit sm\u011br, s minim\u00e1ln\u00ed ztr\u00e1tou energie.<\/p>\n<h3>Kl\u00ed\u010dov\u00e9 vlastnosti<\/h3>\n<ul>\n<li><strong>N\u00edzk\u00e1 koercivita<\/strong> \u2013 vy\u017eaduje m\u00e1lo \u00fasil\u00ed k magnetizaci nebo demagnetizaci<\/li>\n<li><strong>Vysok\u00e1 permeabilita<\/strong> \u2013 umo\u017e\u0148uje magnetick\u00fdm pol\u00edm snadno proudit materi\u00e1lem<\/li>\n<li><strong>N\u00edzk\u00e1 ztr\u00e1ta hystereze<\/strong> \u2013 m\u00e9n\u011b tepla a energie ztracen\u00e9 b\u011bhem cykl\u016f magnetizace<\/li>\n<\/ul>\n<h3>B\u011b\u017en\u00e9 typy<\/h3>\n<ul>\n<li><strong>K\u0159em\u00edkov\u00e1 ocel<\/strong> \u2013 obl\u00edben\u00e1 pro j\u00e1dra transform\u00e1tor\u016f d\u00edky n\u00edzk\u00fdm ztr\u00e1t\u00e1m<\/li>\n<li><strong>\u017delezo<\/strong> \u2013 \u0161iroce pou\u017e\u00edvan\u00e1, levn\u00e1 a s vysok\u00fdm magnetick\u00fdm v\u00fdkonem<\/li>\n<li><strong>Permaloy<\/strong> \u2013 nikl-\u017eelezn\u00e1 slitina s velmi vysokou permeabilitou<\/li>\n<\/ul>\n<h3>Magnetick\u00e9 vlastnosti<\/h3>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>M\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Koercivita<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Permeabilita<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Ztr\u00e1ta hystereze<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Uchov\u00e1n\u00ed magnetizace<\/td>\n<td>Slab\u00fd (do\u010dasn\u00fd)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>V\u00fdroba a slo\u017een\u00ed<\/h3>\n<p>V\u011bt\u0161ina m\u011bkk\u00fdch magnet\u016f je vyrobena slitinou z\u00e1kladn\u00edch kov\u016f, jako je \u017eelezo, s k\u0159em\u00edkem, niklem nebo jin\u00fdmi prvky. V\u00fdrobn\u00ed metody mohou zahrnovat:<\/p>\n<ul>\n<li>Valcov\u00e1n\u00ed a laminov\u00e1n\u00ed plech\u016f (pro k\u0159em\u00edkovou ocel)<\/li>\n<li>Pr\u00e1\u0161kov\u00e1 metalurgie (pro specializovan\u00e9 tvary)<\/li>\n<li>\u017d\u00edhac\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed ke zlep\u0161en\u00ed struktury zrn a magnetick\u00e9ho v\u00fdkonu<\/li>\n<\/ul>\n<h3>Typick\u00e9 aplikace<\/h3>\n<ul>\n<li><strong>Elektrick\u00e9 transform\u00e1tory<\/strong> \u2013 pro efektivn\u00ed nap\u011b\u0165ovou konverzi s n\u00edzk\u00fdmi ztr\u00e1tami<\/li>\n<li><strong>C\u00edvky<\/strong> \u2013 k ukl\u00e1d\u00e1n\u00ed energie v magnetick\u00fdch pol\u00edch<\/li>\n<li><strong>Elektrick\u00e9 motory a gener\u00e1tory<\/strong> \u2013 tam, kde je pot\u0159eba rychl\u00e9 magnetick\u00e9 p\u0159ep\u00edn\u00e1n\u00ed<\/li>\n<li><strong>Magnetick\u00e1 st\u00edn\u011bn\u00ed<\/strong> \u2013 k blokov\u00e1n\u00ed ru\u0161en\u00ed v elektronice<\/li>\n<\/ul>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li>Vysok\u00e1 \u00fa\u010dinnost v st\u0159\u00eddav\u00fdch aplikac\u00edch<\/li>\n<li>N\u00edzk\u00e1 tvorba tepla d\u00edky minim\u00e1ln\u00edm ztr\u00e1t\u00e1m<\/li>\n<li>Snadn\u00e9 obr\u00e1b\u011bn\u00ed a tvarov\u00e1n\u00ed podle specifick\u00fdch pot\u0159eb<\/li>\n<\/ul>\n<h3>Omezen\u00ed<\/h3>\n<ul>\n<li>Nelze udr\u017eet magnetizaci bez vn\u011bj\u0161\u00edho pole<\/li>\n<li>Nevhodn\u00e9 pro permanentn\u00ed magnety<\/li>\n<li>V\u00fdkon m\u016f\u017ee klesnout p\u0159i vysok\u00fdch teplot\u00e1ch nebo mechanick\u00e9m nam\u00e1h\u00e1n\u00ed<\/li>\n<\/ul>\n<h2>Co jsou tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/h2>\n<p>Tvrd\u00e9 magnetick\u00e9 materi\u00e1ly jsou typem magnetick\u00e9ho materi\u00e1lu navr\u017een\u00e9ho tak, aby si udr\u017eely magnetismus v \u010dase. Maj\u00ed <strong>vysokou koercitivitu<\/strong>, co\u017e znamen\u00e1, \u017ee odol\u00e1vaj\u00ed demagnetizaci, a <strong>vysokou remanenci<\/strong>, co\u017e znamen\u00e1, \u017ee si zachov\u00e1vaj\u00ed siln\u00e9 magnetick\u00e9 pole i po odstran\u011bn\u00ed vn\u011bj\u0161\u00edho magnetick\u00e9ho pole. Tyto vlastnosti je \u010din\u00ed ide\u00e1ln\u00edmi jako <strong>trval\u00e9 magnety<\/strong>.<\/p>\n<h3>B\u011b\u017en\u00e9 typy<\/h3>\n<ul>\n<li><strong>Magn\u00e9ty neodymiov\u00e9 (NdFeB)<\/strong> \u2013 Extr\u00e9mn\u011b siln\u00e9, \u0161iroce pou\u017e\u00edvan\u00e9 v motorech, elektronice a EV.<\/li>\n<li><strong>Ferritov\u00e9 magnety<\/strong> \u2013 Cenov\u011b dostupn\u00e9, odoln\u00e9 proti korozi, pou\u017e\u00edvaj\u00ed se v reproduktorech a dom\u00e1c\u00ed elektronice.<\/li>\n<li><strong>Magnety Alnico<\/strong> \u2013 Odoln\u00e9 v\u016f\u010di teplu, b\u011b\u017en\u00e9 v senzorech a vintage audio za\u0159\u00edzen\u00edch.<\/li>\n<\/ul>\n<h3>Magnetick\u00e9 vlastnosti<\/h3>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Koercivita<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Magnetick\u00e1 permeabilita<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Zbytkov\u00e1 magnetizace<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Uchov\u00e1n\u00ed magnetizace<\/td>\n<td>Trval\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Ztr\u00e1ta hystereze<\/td>\n<td>Vy\u0161\u0161\u00ed ne\u017e m\u011bkk\u00e9 typy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>V\u00fdroba a slo\u017een\u00ed<\/h3>\n<p>Tvrd\u00e9 magnety jsou \u010dasto vyrobeny z <strong>slitin vz\u00e1cn\u00fdch zemin, \u017eeleza, kobaltu, hlin\u00edku nebo barytov\u00e9ho ferritu<\/strong>.<br \/>\nProcesy zahrnuj\u00ed:<\/p>\n<ul>\n<li><strong>Pr\u00e1\u0161kov\u00e1 metalurgie<\/strong> (lisov\u00e1n\u00ed a sintrov\u00e1n\u00ed)<\/li>\n<li><strong>Odl\u00e9v\u00e1n\u00ed<\/strong> (b\u011b\u017en\u00e9 pro alnico)<\/li>\n<li><strong>Vst\u0159ikovac\u00ed formov\u00e1n\u00ed<\/strong> pro zak\u00e1zkov\u00e9 tvary<\/li>\n<\/ul>\n<h3>Typick\u00e9 aplikace<\/h3>\n<ul>\n<li><strong>Trval\u00e9 magnety<\/strong> v motorech, gener\u00e1torech a altern\u00e1torech<\/li>\n<li><strong>Reproduktory a audio za\u0159\u00edzen\u00ed<\/strong> pro siln\u00fd, konzistentn\u00ed zvukov\u00fd v\u00fdstup<\/li>\n<li><strong>Senzory<\/strong> v automobilov\u00fdch a pr\u016fmyslov\u00fdch syst\u00e9mech<\/li>\n<li><strong>Magnetick\u00e9 svorky, z\u00e1mky a dr\u017e\u00e1ky<\/strong><\/li>\n<\/ul>\n<h3>V\u00fdhody<\/h3>\n<ul>\n<li>Siln\u00e9 magnetick\u00e9 pole vzhledem k velikosti<\/li>\n<li>Dlouh\u00e1 \u017eivotnost s minim\u00e1ln\u00ed ztr\u00e1tou v\u00fdkonu<\/li>\n<li>Dob\u0159e funguje v statick\u00fdch, dlouhodob\u00fdch magnetick\u00fdch aplikac\u00edch<\/li>\n<\/ul>\n<h3>Omezen\u00ed<\/h3>\n<ul>\n<li>Obecn\u011b je k\u0159eh\u010d\u00ed ne\u017e m\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly<\/li>\n<li>Vy\u0161\u0161\u00ed n\u00e1klady na materi\u00e1l (zejm\u00e9na neodym)<\/li>\n<li>M\u016f\u017ee ztratit s\u00edlu p\u0159i extr\u00e9mn\u00edch teplot\u00e1ch v z\u00e1vislosti na typu<\/li>\n<\/ul>\n<h2>P\u0159\u00edm\u00e9 srovn\u00e1n\u00ed m\u011bkk\u00fdch a tvrd\u00fdch magnetick\u00fdch materi\u00e1l\u016f<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Soft_vs_Hard_Magnetic_Materials_Comparison_NS47pfb.webp\" alt=\"Porovn\u00e1n\u00ed m\u011bkk\u00fdch a tvrd\u00fdch magnetick\u00fdch materi\u00e1l\u016f\" \/><\/p>\n<p>M\u011bkk\u00e9 a tvrd\u00e9 magnetick\u00e9 materi\u00e1ly funguj\u00ed odli\u0161n\u011b, co\u017e je \u010din\u00ed vhodn\u011bj\u0161\u00edmi pro specifick\u00e9 \u00fakoly. Zde je srovn\u00e1n\u00ed v kl\u00ed\u010dov\u00fdch oblastech:<\/p>\n<h3>Magnetick\u00e1 hystereze a koercivita<\/h3>\n<ul>\n<li><strong>M\u011bkk\u00e9 magnety<\/strong> m\u00edt <strong>n\u00edzkou koercivitu<\/strong>, co\u017e znamen\u00e1, \u017ee se snadno magnetizuj\u00ed a demagnetizuj\u00ed. To jim d\u00e1v\u00e1 <strong>\u00fazk\u00fd hysterezn\u00ed smy\u010dku<\/strong> a sni\u017euje ztr\u00e1ty energie.<\/li>\n<li><strong>Tvrd\u00e9 magnety<\/strong> m\u00edt <strong>vysokou koercitivitu<\/strong>, tak\u017ee odol\u00e1vaj\u00ed demagnetizaci. Jejich <strong>\u0161irok\u00e1 hysterezn\u00ed smy\u010dka<\/strong> znamen\u00e1, \u017ee si udr\u017euj\u00ed siln\u00e9 magnetick\u00e9 pole v \u010dase.<\/li>\n<\/ul>\n<h3>Propustnost a saturace magnetick\u00e9ho toku<\/h3>\n<ul>\n<li><strong>M\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly<\/strong> nab\u00edzej\u00ed mnoho <strong>vy\u0161\u0161\u00ed magnetickou permeabilitu<\/strong>, co\u017e jim umo\u017e\u0148uje efektivn\u011bji p\u0159en\u00e1\u0161et magnetick\u00fd tok.<\/li>\n<li><strong>Tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/strong> maj\u00ed ni\u017e\u0161\u00ed permeabilitu, ale udr\u017euj\u00ed <strong>vysokou saturaci magnetizace<\/strong>, kritick\u00e9 pro siln\u00e1, trval\u00e1 magnetick\u00e1 pole.<\/li>\n<\/ul>\n<h3>Energetick\u00e9 ztr\u00e1ty a \u00fa\u010dinnost<\/h3>\n<ul>\n<li>U st\u0159\u00eddav\u00e9ho proudu (AC) maj\u00ed m\u011bkk\u00e9 magnety <strong>n\u00edzkou hysterezi a ztr\u00e1ty v\u00ed\u0159iv\u00fdch proud\u016f<\/strong>, co\u017e je \u010din\u00ed vysoce \u00fa\u010dinn\u00fdmi.<\/li>\n<li>Tvrd\u00e9 magnety jsou m\u00e9n\u011b \u00fa\u010dinn\u00e9 v AC aplikac\u00edch, ale vynikaj\u00ed v <strong>st\u00e1l\u00fdch, konstantn\u00edch pol\u00edch<\/strong> jako jsou permanentn\u00ed magnety.<\/li>\n<\/ul>\n<h3>Stabilita a odolnost<\/h3>\n<ul>\n<li><strong>Tvrd\u00e9 magnety<\/strong> udr\u017euj\u00ed magnetickou s\u00edlu po l\u00e9ta, i v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch.<\/li>\n<li><strong>M\u011bkk\u00e9 magnety<\/strong> ztr\u00e1cej\u00ed magnetismus rychle, kdy\u017e nejsou pod vn\u011bj\u0161\u00edm polem, ale jsou stabiln\u00ed v provozn\u011b n\u00e1ro\u010dn\u00fdch aplikac\u00edch, jako jsou transform\u00e1tory.<\/li>\n<\/ul>\n<h3>Cena a dostupnost<\/h3>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>M\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly<\/th>\n<th>Tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Obvykl\u00e9 materi\u00e1ly<\/td>\n<td>K\u0159em\u00edkov\u00e1 ocel, permalloy, \u017eelezo<\/td>\n<td>NdFeB, ferrit, alnico<\/td>\n<\/tr>\n<tr>\n<td>Cena surovin<\/td>\n<td>Obecn\u011b ni\u017e\u0161\u00ed<\/td>\n<td>M\u016f\u017ee b\u00fdt vy\u0161\u0161\u00ed (obsah vz\u00e1cn\u00fdch zemin)<\/td>\n<\/tr>\n<tr>\n<td>Dostupnost<\/td>\n<td>\u0160iroce dostupn\u00e9<\/td>\n<td>N\u011bkter\u00e9 mohou z\u00e1viset na dod\u00e1vk\u00e1ch vz\u00e1cn\u00fdch zemin<\/td>\n<\/tr>\n<tr>\n<td>Typick\u00e9 aplikace<\/td>\n<td>Transform\u00e1tory, motory, induktory<\/td>\n<td>Permanentn\u00ed magnety, senzory, reproduktory<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u011bkk\u00e9 vs tvrd\u00e9 magnetick\u00e9 materi\u00e1ly z\u00e1vis\u00ed na po\u017eadavc\u00edch va\u0161\u00ed aplikace \u2014 rychl\u00e9 p\u0159ep\u00edn\u00e1n\u00ed a \u00fa\u010dinnost, nebo dlouhotrvaj\u00edc\u00ed permanentn\u00ed magnetismus.<\/p>\n<h2>V\u00fdb\u011br spr\u00e1vn\u00e9ho magnetick\u00e9ho materi\u00e1lu pro va\u0161i aplikaci<\/h2>\n<p>Volba mezi <strong>m\u011bkk\u00fdch magnetick\u00fdch materi\u00e1lech<\/strong> a <strong>tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/strong> skute\u010dn\u011b z\u00e1vis\u00ed na tom, jak a kde jsou pou\u017e\u00edv\u00e1ny. Na trhu v \u010cesk\u00e9 republice vid\u00edme \u0161irokou \u0161k\u00e1lu pot\u0159eb \u2014 od vysoce \u00fa\u010dinn\u00fdch transform\u00e1tor\u016f po dlouhotrvaj\u00edc\u00ed permanentn\u00ed magnety \u2014 a ka\u017ed\u00fd sc\u00e9n\u00e1\u0159 vy\u017eaduje odli\u0161n\u00e9 vlastnosti.<\/p>\n<h3>Faktory k zv\u00e1\u017een\u00ed<\/h3>\n<p>P\u0159i rozhodov\u00e1n\u00ed o spr\u00e1vn\u00e9m materi\u00e1lu se zam\u011b\u0159te na:<\/p>\n<ul>\n<li><strong>Provozn\u00ed teplota<\/strong> \u2013 Bude fungovat v prost\u0159ed\u00ed s vysok\u00fdm teplem nebo chladem? Magnetick\u00fd v\u00fdkon se m\u016f\u017ee m\u011bnit s teplotn\u00edmi zm\u011bnami.<\/li>\n<li><strong>Venkovn\u00ed expozice<\/strong> \u2013 Zva\u017ete vlhkost, riziko koroze a zda je ur\u010den pro vnit\u0159n\u00ed nebo venkovn\u00ed pou\u017eit\u00ed.<\/li>\n<li><strong>Mechanick\u00fd stres<\/strong> \u2013 Bude \u010delit vibrac\u00edm, ot\u0159es\u016fm nebo stla\u010den\u00ed?<\/li>\n<li><strong>Po\u017eadovan\u00fd magnetick\u00fd v\u00fdkon<\/strong> \u2013 U m\u011bkk\u00fdch magnet\u016f se zam\u011b\u0159te na permeabilitu a n\u00edzkou ztr\u00e1tu energie. U tvrd\u00fdch magnet\u016f v\u011bnujte pozornost koercivit\u011b a remanenci.<\/li>\n<li><strong>O\u010dek\u00e1v\u00e1n\u00ed \u017eivotnosti<\/strong> \u2013 Jak dlouho mus\u00ed magnet udr\u017eet konzistentn\u00ed v\u00fdkon?<\/li>\n<\/ul>\n<h3>P\u0159\u00edklady z odv\u011btv\u00ed, kter\u00e1 obsluhujeme<\/h3>\n<p>Spole\u010dnost NBAEM dod\u00e1v\u00e1 magnetick\u00e9 materi\u00e1ly z\u00e1kazn\u00edk\u016fm v \u010cesk\u00e9 republice v oblasti:<\/p>\n<ul>\n<li><strong>V\u00fdroby a distribuce energie<\/strong> \u2013 M\u011bkk\u00e9 magnetick\u00e9 slitiny zinku pro transform\u00e1tory a induktory.<\/li>\n<li><strong>Automobilov\u00fd pr\u016fmysl<\/strong> \u2013 Permanentn\u00ed magnety pro motory elektrick\u00fdch vozidel a senzory.<\/li>\n<li><strong>Spot\u0159ebn\u00ed elektronika<\/strong> \u2013 Feritov\u00e9 magnety pro reproduktory a mikrofony.<\/li>\n<li><strong>Pr\u016fmyslov\u00e1 automatizace<\/strong> Magnety s p\u0159esnost\u00ed pro motory a robotiku.<\/li>\n<\/ul>\n<h3>Tipy pro pr\u00e1ci s NBAEM<\/h3>\n<p>Spr\u00e1vn\u00e9 uchycen\u00ed je jednodu\u0161\u0161\u00ed, kdy\u017e \u00fazce spolupracujete se sv\u00fdm dodavatelem:<\/p>\n<ul>\n<li><strong>Sd\u00edlejte kompletn\u00ed specifikace<\/strong> \u2013 Zahrnujte elektrick\u00e9, mechanick\u00e9 a environment\u00e1ln\u00ed po\u017eadavky.<\/li>\n<li><strong>Po\u017eadujte zak\u00e1zkov\u00e9 slo\u017een\u00ed<\/strong> \u2013 NBAEM m\u016f\u017ee upravit slo\u017een\u00ed nebo zpracov\u00e1n\u00ed pro v\u00fdkon specifick\u00fd pro aplikaci.<\/li>\n<li><strong>Zeptejte se na prototypov\u00e1n\u00ed<\/strong> \u2013 Testujte p\u0159ed z\u00e1vazkem k pln\u00e9 v\u00fdrob\u011b.<\/li>\n<li><strong>Zkontrolujte certifikace kvality<\/strong> \u2013 ISO normy a kontrola kvality NBAEM zaji\u0161\u0165uj\u00ed konzistenci.<\/li>\n<\/ul>\n<p>Na m\u00edru \u0161it\u00fd p\u0159\u00edstup d\u011bl\u00e1 velk\u00fd rozd\u00edl \u2014 zejm\u00e9na kdy\u017e jsou na s\u00e1zku v\u00fdkon, \u00fa\u010dinnost a odolnost.<\/p>\n<h2>Inovace a trendy v magnetick\u00fdch materi\u00e1lech<\/h2>\n<p>Magnetick\u00e9 materi\u00e1ly se rychle vyv\u00edjej\u00ed, p\u0159i\u010dem\u017e oba <strong>m\u011bkk\u00fdch magnetick\u00fdch materi\u00e1lech<\/strong> a <strong>tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/strong> za\u017e\u00edvaj\u00ed velk\u00e9 zlep\u0161en\u00ed. Na m\u011bkk\u00e9 stran\u011b pokroky v slo\u017een\u00ed slitin a v\u00fdrobn\u00edch procesech zvy\u0161uj\u00ed magnetickou permeabilitu, sni\u017euj\u00ed ztr\u00e1ty j\u00e1dra a zlep\u0161uj\u00ed \u00fa\u010dinnost ve vysokofrekven\u010dn\u00edch aplikac\u00edch. U pevn\u00fdch magnet\u016f nov\u00e9 slitiny vz\u00e1cn\u00fdch zemin a ferrit\u016f zvy\u0161uj\u00ed magnetickou s\u00edlu a odol\u00e1vaj\u00ed demagnetizaci i v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch.<\/p>\n<p><strong>Nov\u011b vznikaj\u00edc\u00ed aplikace:<\/strong><\/p>\n<ul>\n<li><strong>Elektrick\u00e1 vozidla (EV):<\/strong> Vysoce v\u00fdkonn\u00e9 pevn\u00e9 magnety jsou kl\u00ed\u010dov\u00e9 pro trak\u010dn\u00ed motory, zat\u00edmco m\u011bkk\u00e9 magnety se pou\u017e\u00edvaj\u00ed v nab\u00edjec\u00edch syst\u00e9mech a v elektronice nap\u00e1jen\u00ed.<\/li>\n<li><strong>Obnoviteln\u00e9 zdroje energie:<\/strong> Gener\u00e1tory v\u011btrn\u00fdch turb\u00edn spol\u00e9haj\u00ed na siln\u00e9 trval\u00e9 magnety, zat\u00edmco sol\u00e1rn\u00ed invertory pou\u017e\u00edvaj\u00ed m\u011bkk\u00e9 magnetick\u00e9 j\u00e1dra pro lep\u0161\u00ed p\u0159em\u011bnu energie.<\/li>\n<li><strong>Elektronika:<\/strong> Miniaturizovan\u00e9, energeticky \u00fasporn\u00e9 magnetick\u00e9 d\u00edly poh\u00e1n\u011bj\u00ed pokroky v senzorech, reproduktorech, transform\u00e1torech a bezdr\u00e1tov\u00fdch nab\u00edjec\u00edch syst\u00e9mech.<\/li>\n<\/ul>\n<p>V NBAEM znamen\u00e1 inovace spojen\u00ed modern\u00ed v\u011bdy o materi\u00e1lech s p\u0159\u00edsnou kontrolou kvality. \u00dazce spolupracujeme s klienty na v\u00fdvoji na m\u00edru \u0161it\u00fdch \u0159e\u0161en\u00ed \u2014 a\u0165 u\u017e jde o v\u00fdrobu transform\u00e1torov\u00fdch jader s minim\u00e1ln\u00ed ztr\u00e1tou pro datov\u00e1 centra nebo vysoce koercivn\u00ed permanentn\u00ed magnety pro letectv\u00ed. Ka\u017ed\u00fd produkt spl\u0148uje mezin\u00e1rodn\u00ed normy a proch\u00e1z\u00ed d\u016fkladn\u00fdm testov\u00e1n\u00edm, aby byla zaji\u0161t\u011bna konzistentn\u00ed v\u00fdkonnost v \u010dase.<\/p>\n<h2>Pro\u010d si vybrat NBAEM pro magnetick\u00e9 materi\u00e1ly<\/h2>\n<p>Kdy\u017e hled\u00e1te <strong>m\u011bkk\u00fdch magnetick\u00fdch materi\u00e1lech<\/strong> or <strong>tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/strong>, pot\u0159ebujete v\u00edc ne\u017e jen konkurenceschopn\u00e9 ceny \u2014 pot\u0159ebujete spolehliv\u00fd v\u00fdkon, konzistentn\u00ed kvalitu a spr\u00e1vnou technickou podporu. To je oblast, ve kter\u00e9 NBAEM vynik\u00e1.<\/p>\n<h3>Z\u00e1zem\u00ed spole\u010dnosti a odborn\u00e9 znalosti<\/h3>\n<p>NBAEM se ji\u017e v\u00edce ne\u017e dv\u011b desetilet\u00ed zab\u00fdv\u00e1 v\u00fdrobou a dod\u00e1vkami magnetick\u00fdch materi\u00e1l\u016f. Spolupracujeme s z\u00e1kazn\u00edky v \u010cesk\u00e9 republice nap\u0159\u00ed\u010d odv\u011btv\u00edmi, jako je v\u00fdroba energie, spot\u0159ebn\u00ed elektronika, automobilov\u00fd pr\u016fmysl a obnoviteln\u00e9 zdroje energie. Na\u0161i in\u017een\u00fd\u0159i rozum\u00ed jak <strong>trval\u00e9 magnety<\/strong> a <strong>m\u011bkk\u00fdm magnetick\u00fdm slitin\u00e1m<\/strong>, tak\u017ee v\u00e1m m\u016f\u017eeme rychle nab\u00eddnout spr\u00e1vn\u00e9 \u0159e\u0161en\u00ed.<\/p>\n<h3>Normy kvality a certifikace<\/h3>\n<p>Dodr\u017eujeme p\u0159\u00edsnou kontrolu kvality od v\u00fdb\u011bru surovin a\u017e po fin\u00e1ln\u00ed kontrolu. Na\u0161e materi\u00e1ly spl\u0148uj\u00ed mezin\u00e1rodn\u00ed normy, nap\u0159\u00edklad <strong>ISO 9001<\/strong> a <strong>soulad s RoHS<\/strong>, a p\u0159ed odesl\u00e1n\u00edm prov\u00e1d\u00edme kompletn\u00ed <strong>testov\u00e1n\u00ed hystereze, koercivity a permeability<\/strong> .<\/p>\n<h3>Mo\u017enosti p\u0159izp\u016fsoben\u00ed<\/h3>\n<p>Ka\u017ed\u00fd projekt m\u00e1 jedine\u010dn\u00e9 po\u017eadavky, proto nab\u00edz\u00edme:<\/p>\n<ul>\n<li>Vlastn\u00ed tvary, velikosti a magnetick\u00e9 t\u0159\u00eddy<\/li>\n<li>Na m\u00edru upraven\u00e9 povlaky pro odolnost v\u016f\u010di teplot\u00e1m a korozi<\/li>\n<li>Optimalizovan\u00e9 n\u00e1vrhy pro minim\u00e1ln\u00ed ztr\u00e1ty energie nebo maxim\u00e1ln\u00ed magnetickou s\u00edlu<\/li>\n<\/ul>\n<h3>Udr\u017eiteln\u00e1 v\u00fdroba a podpora<\/h3>\n<p>Investujeme do <strong>ekologicky \u0161etrn\u00fdch v\u00fdrobn\u00edch linek<\/strong>, kter\u00e9 sni\u017euj\u00ed odpad a spot\u0159ebu energie. N\u00e1\u0161 t\u00fdm podpory zam\u011b\u0159en\u00fd na \u010ceskou republiku pracuje p\u0159\u00edmo s in\u017een\u00fdry a n\u00e1kup\u010d\u00edmi, aby bylo zaji\u0161t\u011bno, \u017ee produkty odpov\u00eddaj\u00ed va\u0161im po\u017eadavk\u016fm, doraz\u00ed v\u010das a budou fungovat v ter\u00e9nu.<\/p>\n<table>\n<thead>\n<tr>\n<th>Hlavn\u00ed v\u00fdhoda<\/th>\n<th>Co to znamen\u00e1 pro v\u00e1s<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>V\u00edce ne\u017e 15 let zku\u0161enost\u00ed<\/td>\n<td>Osv\u011bd\u010den\u00e1 historie v r\u016fzn\u00fdch odv\u011btv\u00edch<\/td>\n<\/tr>\n<tr>\n<td>Certifikace ISO<\/td>\n<td>Spolehliv\u00e1, konzistentn\u00ed kvalita<\/td>\n<\/tr>\n<tr>\n<td>Zak\u00e1zkov\u00e1 v\u00fdroba<\/td>\n<td>D\u00edly navr\u017een\u00e9 p\u0159esn\u011b podle va\u0161ich pot\u0159eb<\/td>\n<\/tr>\n<tr>\n<td>Ekologicky \u0161etrn\u00fd proces<\/td>\n<td>Ni\u017e\u0161\u00ed ekologick\u00e1 stopa<\/td>\n<\/tr>\n<tr>\n<td>Lokalizovan\u00e1 podpora<\/td>\n<td>Snadn\u00e1 komunikace a rychlej\u0161\u00ed \u0159e\u0161en\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Jak\u00e9 jsou magnetick\u00e9 vlastnosti, kter\u00e9 odli\u0161uj\u00ed m\u011bkk\u00e9 a tvrd\u00e9 materi\u00e1ly<\/h3>\n<p>M\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly maj\u00ed <strong>n\u00edzkou koercivitu<\/strong>, <strong>vysokou permeabilitu<\/strong>, a rychle ztr\u00e1cej\u00ed magnetismus, kdy\u017e je vn\u011bj\u0161\u00ed pole odstran\u011bno. Tvrd\u00e9 magnetick\u00e9 materi\u00e1ly maj\u00ed <strong>vysokou koercitivitu<\/strong>, <strong>vysokou remanenci<\/strong>, a udr\u017euj\u00ed siln\u00e9 magnetizace po dlouhou dobu. Tyto rozd\u00edly \u010din\u00ed m\u011bkk\u00e9 magnety vhodn\u011bj\u0161\u00ed pro do\u010dasn\u00e9 aplikace pole (nap\u0159\u00edklad transform\u00e1tory), a tvrd\u00e9 magnety jsou ide\u00e1ln\u00ed pro trval\u00e9 magnety.<\/p>\n<h3>Lze m\u011bkk\u00e9 magnetick\u00e9 materi\u00e1ly p\u0159em\u011bnit na tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/h3>\n<p>Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f ne. Rozd\u00edly vypl\u00fdvaj\u00ed z jejich <strong>slo\u017een\u00ed materi\u00e1lu<\/strong> a <strong>mikrostruktury<\/strong>, kter\u00e1 je nastavena b\u011bhem v\u00fdroby. Tepeln\u00e9 zpracov\u00e1n\u00ed a slitinov\u00e1n\u00ed mohou upravit n\u011bkter\u00e9 vlastnosti, ale skute\u010dn\u00fd m\u011bkk\u00fd materi\u00e1l se jednodu\u0161e nem\u016f\u017ee \u201ep\u0159em\u011bnit\u201c na tvrd\u00fd bez z\u00e1sadn\u00ed p\u0159estavby.<\/p>\n<h3>Jak teplotn\u00ed zm\u011bny ovliv\u0148uj\u00ed m\u011bkk\u00e9 a tvrd\u00e9 magnetick\u00e9 materi\u00e1ly<\/h3>\n<p>Oba typy ztr\u00e1cej\u00ed magnetickou s\u00edlu s r\u016fstem teploty, ale tvrd\u00e9 magnety mohou utrp\u011bt <strong>nevratn\u00e9 ztr\u00e1ty<\/strong> pokud jsou p\u0159eh\u0159\u00e1ty nad jejich Curieovou teplotu. M\u011bkk\u00e9 magnety jsou obvykle stabiln\u011bj\u0161\u00ed p\u0159i m\u00edrn\u011b vy\u0161\u0161\u00edch teplot\u00e1ch, ale st\u00e1le mohou vykazovat vy\u0161\u0161\u00ed ztr\u00e1ty p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Pro prost\u0159ed\u00ed s vysokou teplotou zvolte materi\u00e1ly navr\u017een\u00e9 pro tepelnou stabilitu.<\/p>\n<h3>Jak\u00e1 je typick\u00e1 \u017eivotnost m\u011bkk\u00fdch a tvrd\u00fdch magnetick\u00fdch materi\u00e1l\u016f<\/h3>\n<p>M\u011bkk\u00e9 magnety, pou\u017e\u00edvan\u00e9 v za\u0159\u00edzen\u00edch jako motory a transform\u00e1tory, mohou vydr\u017eet desetilet\u00ed, pokud nejsou p\u0159eh\u0159\u00e1ty nebo mechanicky po\u0161kozeny. Tvrd\u00e9 magnety mohou tak\u00e9 vydr\u017eet mnoho let, i kdy\u017e je jejich v\u00fdkon oslabov\u00e1n vystaven\u00edm teplu, oxidaci nebo siln\u00fdm protich\u016fdn\u00fdm pol\u00edm. Spr\u00e1vn\u00e9 povrchov\u00e9 \u00fapravy a skladov\u00e1n\u00ed prodlu\u017euj\u00ed \u017eivotnost.<\/p>\n<h3>Jak NBAEM zaji\u0161\u0165uje kvalitu produktu<\/h3>\n<p>NBAEM pou\u017e\u00edv\u00e1 <strong>p\u0159\u00edsnou kontrolu kvality<\/strong>, v\u010detn\u011b testov\u00e1n\u00ed surovin, p\u0159esn\u00fdch v\u00fdrobn\u00edch proces\u016f a fin\u00e1ln\u00ed kontroly magnetick\u00e9ho v\u00fdkonu. Produkty spl\u0148uj\u00ed nebo p\u0159ekra\u010duj\u00ed <strong>mezin\u00e1rodn\u00ed normy<\/strong> (ISO, RoHS), a zak\u00e1zkov\u00e9 materi\u00e1ly jsou testov\u00e1ny tak, aby odpov\u00eddaly specifick\u00fdm po\u017eadavk\u016fm z\u00e1kazn\u00edk\u016f pro pr\u016fmyslov\u00e9 odv\u011btv\u00ed po cel\u00e9 \u010cesk\u00e9 republice.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zjist\u011bte kl\u00ed\u010dov\u00e9 rozd\u00edly mezi m\u011bkk\u00fdmi a tvrd\u00fdmi magnetick\u00fdmi materi\u00e1ly, jejich vlastnosti, pou\u017eit\u00ed a tipy na v\u00fdb\u011br<\/p>","protected":false},"author":1,"featured_media":2033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Soft_Magnetic_Materials_vs_Hard_Magnetic_Materials.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/2034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/comments?post=2034"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/2034\/revisions"}],"predecessor-version":[{"id":2039,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/2034\/revisions\/2039"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/2033"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=2034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=2034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=2034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}