{"id":1368,"date":"2024-10-25T08:34:58","date_gmt":"2024-10-25T08:34:58","guid":{"rendered":"https:\/\/nbaem.com\/?p=1368"},"modified":"2024-10-25T08:36:15","modified_gmt":"2024-10-25T08:36:15","slug":"how-to-make-ndfeb-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/tr\/how-to-make-ndfeb-magnet\/","title":{"rendered":"NdFeB m\u0131knat\u0131s nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"
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Neodimyum m\u0131knat\u0131s<\/a> <\/span>g\u00fcn\u00fcm\u00fczde hala en g\u00fc\u00e7l\u00fc ve en s\u0131k kullan\u0131lan nadir toprak daimi m\u0131knat\u0131s malzemesidir. Neodim m\u0131knat\u0131s, \u00fcretim s\u00fcrecine g\u00f6re sinterlenmi\u015f Neodim m\u0131knat\u0131s, ba\u011fl\u0131 Neodim m\u0131knat\u0131s ve s\u0131cak preslenmi\u015f Neodim m\u0131knat\u0131s olarak s\u0131n\u0131fland\u0131r\u0131labilir. Her bir formun farkl\u0131 manyetik \u00f6zellikleri oldu\u011fundan, \u00e7ak\u0131\u015fan uygulama kapsamlar\u0131 daha azd\u0131r ve tamamlay\u0131c\u0131 bir ili\u015fki alt\u0131ndad\u0131r. M\u0131knat\u0131s kullan\u0131c\u0131lar\u0131, Neodim m\u0131knat\u0131slar\u0131n nas\u0131l yap\u0131ld\u0131\u011f\u0131n\u0131 merak ediyor. Sinterlenmi\u015f Neodim m\u0131knat\u0131s, geleneksel toz metalurjisi s\u00fcreciyle \u00fcretilir ve pazar pay\u0131nda mutlak bir \u00fcst\u00fcnl\u00fc\u011fe sahiptir.<\/span><\/p>\n<\/div>\n<\/div>\n

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Neodim M\u0131knat\u0131slar Nas\u0131l Yap\u0131l\u0131r?<\/strong><\/p>\n

Sinterlenmi\u015f Neodim m\u0131knat\u0131s, ham maddelerin ind\u00fcksiyon eritme f\u0131r\u0131n\u0131nda vakum veya inert atmosfer alt\u0131nda eritilmesi, ard\u0131ndan \u015ferit d\u00f6k\u00fcmc\u00fcs\u00fcnde i\u015flenmesi ve Nd-Fe-B ala\u015f\u0131m \u015feridi olu\u015fturmak \u00fczere so\u011futulmas\u0131yla haz\u0131rlan\u0131r. Ala\u015f\u0131m \u015feritleri, birka\u00e7 mikron \u00e7ap\u0131nda ince bir toz olu\u015fturmak \u00fczere toz haline getirilir. \u0130nce toz daha sonra bir y\u00f6nelim manyetik alan\u0131nda s\u0131k\u0131\u015ft\u0131r\u0131l\u0131r ve yo\u011fun cisimler halinde sinterlenir. Cisimler daha sonra belirli \u015fekillere getirilir, y\u00fczey i\u015flemleri yap\u0131l\u0131r ve m\u0131knat\u0131slan\u0131r.<\/p>\n

Tart\u0131m<\/strong><\/p>\n

Nitelikli ham maddenin tart\u0131m\u0131, m\u0131knat\u0131s bile\u015fiminin do\u011frulu\u011fuyla do\u011frudan ili\u015fkilidir. Ham maddenin safl\u0131\u011f\u0131 ve kimyasal bile\u015fimin stabilitesi, \u00fcr\u00fcn kalitesinin temelidir. Sinterlenmi\u015f Neodim m\u0131knat\u0131s, maliyet nedeniyle genellikle Praseodim-Neodim Pr-Nd kar\u0131\u015f\u0131k metali, Lantan-Seryum La-Ce kar\u0131\u015f\u0131k metali ve Disprosyum Demir Dy-Fe ala\u015f\u0131m\u0131 gibi nadir toprak ala\u015f\u0131mlar\u0131n\u0131 malzeme olarak se\u00e7er. Y\u00fcksek erime noktal\u0131 elementler olan Bor, Molibden veya Niyobyum, ferroala\u015f\u0131m yoluyla eklenir. Ham maddenin y\u00fczeyindeki pas tabakas\u0131, kapan\u0131m, oksit ve kirin mikro kumlama makinesiyle temizlenmesi gerekir. Ayr\u0131ca, ham maddenin uygun boyutta olmas\u0131, sonraki eritme s\u00fcrecinde verimlili\u011fi sa\u011flamak i\u00e7in gereklidir. Neodim, d\u00fc\u015f\u00fck buhar bas\u0131nc\u0131na ve aktif kimyasal \u00f6zelliklere sahiptir, bu nedenle nadir toprak metalinde eritme s\u00fcreci s\u0131ras\u0131nda belirli bir derecede buharla\u015fma kayb\u0131 ve oksidasyon kayb\u0131 meydana gelir, bu nedenle, sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n tart\u0131m s\u00fcrecinde m\u0131knat\u0131s bile\u015fiminin do\u011frulu\u011funu sa\u011flamak i\u00e7in ek nadir toprak metali eklenmesi d\u00fc\u015f\u00fcn\u00fclmelidir.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Ergitme ve \u015eerit D\u00f6k\u00fcm<\/strong><\/p>\n<\/div>\n<\/div>\n

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Ergitme ve \u015ferit d\u00f6k\u00fcm, bile\u015fim, kristal durumu ve faz\u0131n da\u011f\u0131l\u0131m\u0131 i\u00e7in hayati \u00f6neme sahiptir, b\u00f6ylece sonraki s\u00fcreci ve manyetik performans\u0131 etkiler. Ham madde, vakum veya inert bir atmosfer alt\u0131nda orta ve d\u00fc\u015f\u00fck frekansl\u0131 ind\u00fcksiyon ergitme yoluyla erimi\u015f duruma \u0131s\u0131t\u0131l\u0131r. Ala\u015f\u0131m eriyi\u011fi homojenizasyon, gaz giderme ve c\u00fcruf giderme ger\u00e7ekle\u015ftirdi\u011finde d\u00f6k\u00fcm i\u015flemi yap\u0131labilir. \u0130yi bir d\u00f6k\u00fcm k\u00fcl\u00e7e mikroyap\u0131s\u0131, iyi geli\u015fmi\u015f ve ince boyutlu s\u00fctunlu kristal i\u00e7ermelidir, ard\u0131ndan Nd-zengini faz, tane s\u0131n\u0131rlar\u0131 boyunca da\u011f\u0131lmal\u0131d\u0131r. Ayr\u0131ca, d\u00f6k\u00fcm k\u00fcl\u00e7e mikroyap\u0131s\u0131 \u03b1-Fe faz\u0131 i\u00e7ermemelidir. Re-Fe faz diyagram\u0131, nadir toprak \u00fc\u00e7l\u00fc ala\u015f\u0131m\u0131n\u0131n yava\u015f so\u011futma s\u0131ras\u0131nda \u03b1-Fe faz\u0131 \u00fcretmesinin ka\u00e7\u0131n\u0131lmaz oldu\u011funu g\u00f6sterir. \u03b1-Fe faz\u0131n\u0131n oda s\u0131cakl\u0131\u011f\u0131ndaki yumu\u015fak manyetik \u00f6zellikleri, m\u0131knat\u0131s\u0131n manyetik performans\u0131na ciddi \u015fekilde zarar verir, bu nedenle h\u0131zl\u0131 so\u011futma ile engellenmelidir. \u0130stenen h\u0131zl\u0131 so\u011futma etkisini sa\u011flayarak \u03b1-Fe faz\u0131n\u0131n \u00fcretimini engellemek i\u00e7in, Showa Denko K. K., \u015eerit D\u00f6k\u00fcm Teknolojisini geli\u015ftirdi ve bu teknoloji yak\u0131nda end\u00fcstri i\u00e7inde rutin bir teknoloji haline geldi. Nd-zengini faz\u0131n homojen da\u011f\u0131l\u0131m\u0131 ve \u03b1-Fe faz\u0131 \u00fczerindeki engelleyici etki, y\u00fcksek performansl\u0131 m\u0131knat\u0131s \u00fcretimi ve maliyet azaltma i\u00e7in elveri\u015fli olan nadir topra\u011f\u0131n toplam i\u00e7eri\u011fini etkili bir \u015fekilde azaltabilir.<\/p>\n

Hidrojen Gevremesi<\/strong><\/p>\n<\/div>\n<\/div>\n

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Nadir toprak metalinin, ala\u015f\u0131mlar\u0131n\u0131n veya intermetalik bile\u015fiklerinin hidrojenasyon davran\u0131\u015f\u0131 ve hidr\u00fcr\u00fcn fiziko-kimyasal \u00f6zellikleri, nadir toprak uygulamas\u0131nda her zaman \u00f6nemli bir konu olmu\u015ftur. Nd-Fe-B ala\u015f\u0131m k\u00fcl\u00e7esi de \u00e7ok g\u00fc\u00e7l\u00fc bir hidrojenasyon e\u011filimi g\u00f6sterir. Hidrojen atomlar\u0131, intermetalik bile\u015fi\u011fin ana faz\u0131 ile Nd-zengini tane s\u0131n\u0131r\u0131 faz\u0131 aras\u0131ndaki ara bo\u015fluklara girer ve interstisyel bile\u015fik olu\u015fturur. Ard\u0131ndan atomlar aras\u0131 mesafe artar ve kafes hacmi geni\u015fler. Ortaya \u00e7\u0131kan i\u00e7 gerilim, tane s\u0131n\u0131r\u0131 \u00e7atlamas\u0131 (taneler aras\u0131 k\u0131r\u0131lma), kristal k\u0131r\u0131lmas\u0131 (kristal i\u00e7i k\u0131r\u0131lma) veya s\u00fcnek k\u0131r\u0131lma \u00fcretecektir. Bu gevremeler, \u00e7\u0131t\u0131rt\u0131 sesiyle birlikte gelir ve bu nedenle hidrojen gevremesi olarak bilinir. Sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n hidrojen gevremesi s\u00fcreci, HD s\u00fcreci olarak da adland\u0131r\u0131l\u0131r. Hidrojen gevremesi s\u00fcrecinde olu\u015fan tane s\u0131n\u0131r\u0131 \u00e7atlamas\u0131 ve kristal k\u0131r\u0131lmas\u0131, NdFeB kaba tozunu \u00e7ok k\u0131r\u0131lgan ve sonraki jet \u00f6\u011f\u00fctme s\u00fcreci i\u00e7in son derece avantajl\u0131 hale getirmi\u015ftir. Jet \u00f6\u011f\u00fctme s\u00fcrecinin verimlili\u011fini art\u0131rman\u0131n yan\u0131 s\u0131ra, hidrojen gevremesi s\u00fcreci ince tozun ortalama toz boyutunu ayarlamak i\u00e7in de elveri\u015flidir.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Jet \u00d6\u011f\u00fctme<\/strong><\/p>\n

Jet \u00f6\u011f\u00fctme, toz s\u00fcrecinde en pratik ve verimli \u00e7\u00f6z\u00fcm oldu\u011funu kan\u0131tlam\u0131\u015ft\u0131r. Jet \u00f6\u011f\u00fctme, kaba tozu s\u00fcpersonik h\u0131za \u00e7\u0131karmak ve tozlar\u0131 birbirine \u00e7arpt\u0131rmak i\u00e7in y\u00fcksek h\u0131zl\u0131 bir inert gaz jeti kullan\u0131r. Toz s\u00fcrecinin temel amac\u0131, uygun ortalama partik\u00fcl boyutu ve partik\u00fcl boyutu da\u011f\u0131l\u0131m\u0131 aramakt\u0131r. Yukar\u0131daki \u00f6zelliklerin farkl\u0131l\u0131klar\u0131, makroskopik \u00f6l\u00e7eklerde farkl\u0131 \u00f6zellikler sergiler ve bu da toz doldurma, y\u00f6nlendirme, s\u0131k\u0131\u015ft\u0131rma, kal\u0131ptan \u00e7\u0131karma ve sinterleme s\u00fcrecinde olu\u015fan mikroyap\u0131y\u0131 do\u011frudan etkiler, dolay\u0131s\u0131yla sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n manyetik performans\u0131n\u0131, mekanik \u00f6zelliklerini, termoelektrik ve kimyasal kararl\u0131l\u0131\u011f\u0131n\u0131 hassas bir \u015fekilde etkiler. \u0130deal mikroyap\u0131, p\u00fcr\u00fczs\u00fcz ve ince ek faz ile \u00e7evrili ince ve homojen ana faz tanesidir. Ayr\u0131ca, ana faz tanesinin kolay m\u0131knat\u0131slanma y\u00f6n\u00fc, y\u00f6nelim y\u00f6n\u00fc boyunca m\u00fcmk\u00fcn oldu\u011funca tutarl\u0131 bir \u015fekilde d\u00fczenlenmelidir. Bo\u015fluklar, b\u00fcy\u00fck taneler veya yumu\u015fak manyetik faz, i\u00e7 zorlay\u0131c\u0131l\u0131kta \u00f6nemli bir azalmaya yol a\u00e7acakt\u0131r. Tanenin kolay m\u0131knat\u0131slanma y\u00f6n\u00fc, y\u00f6nelim y\u00f6n\u00fcnden sapt\u0131\u011f\u0131nda, demanyetizasyon e\u011frisinin kal\u0131c\u0131l\u0131\u011f\u0131 ve dikli\u011fi e\u015f zamanl\u0131 olarak azalacakt\u0131r. B\u00f6ylece, ala\u015f\u0131mlar, 3 ila 5 mikron \u00e7ap\u0131nda tek kristal partik\u00fcller haline getirilmelidir.<\/p>\n

S\u0131k\u0131\u015ft\u0131rma<\/strong><\/p>\n<\/div>\n<\/div>\n

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Manyetik alan y\u00f6nlendirme s\u0131k\u0131\u015ft\u0131rmas\u0131, manyetik toz ile harici manyetik alan aras\u0131ndaki etkile\u015fimi kullanarak tozu kolay m\u0131knat\u0131slanma y\u00f6n\u00fc boyunca hizalamay\u0131 ve son m\u0131knat\u0131slanma y\u00f6n\u00fcyle tutarl\u0131 hale getirmeyi ifade eder. Manyetik alan y\u00f6nlendirme s\u0131k\u0131\u015ft\u0131rmas\u0131, anizotropik m\u0131knat\u0131s \u00fcretmek i\u00e7in en yayg\u0131n yoldur. Nd-Fe-B ala\u015f\u0131m\u0131, \u00f6nceki jet \u00f6\u011f\u00fctme s\u00fcrecinde tek kristal partik\u00fcl haline getirilmi\u015ftir. Tek kristal partik\u00fcl tek eksenli anizotropidir ve her birinin sadece bir kolay m\u0131knat\u0131slanma y\u00f6n\u00fc vard\u0131r. Manyetik toz, kal\u0131ba gev\u015fek bir \u015fekilde doldurulduktan sonra harici manyetik alan\u0131n etkisi alt\u0131nda \u00e7ok alandan tek alana d\u00f6n\u00fc\u015fecek, ard\u0131ndan kolay m\u0131knat\u0131slanma y\u00f6n\u00fc c-eksenini d\u00f6nd\u00fcrerek veya hareket ettirerek harici manyetik alan y\u00f6n\u00fcyle tutarl\u0131 olacak \u015fekilde ayarlayacakt\u0131r. Ala\u015f\u0131m tozunun c-ekseni, s\u0131k\u0131\u015ft\u0131rma s\u00fcreci s\u0131ras\u0131nda temel olarak d\u00fczenleme durumunu korur. S\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f par\u00e7alar, kal\u0131ptan \u00e7\u0131kar\u0131lmadan \u00f6nce demanyetizasyon i\u015flemine tabi tutulmal\u0131d\u0131r. S\u0131k\u0131\u015ft\u0131rma s\u00fcrecinin en \u00f6nemli indeksi y\u00f6nelim derecesidir. Sinterlenmi\u015f Neodim m\u0131knat\u0131slar\u0131n y\u00f6nelim derecesi, y\u00f6nelim manyetik alan g\u00fcc\u00fc, partik\u00fcl boyutu, g\u00f6r\u00fcn\u00fcr yo\u011funluk, s\u0131k\u0131\u015ft\u0131rma y\u00f6ntemi, s\u0131k\u0131\u015ft\u0131rma bas\u0131nc\u0131 gibi \u00e7e\u015fitli fakt\u00f6rlerle belirlenir.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Sinterleme<\/strong><\/p>\n<\/div>\n<\/div>\n

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S\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f par\u00e7an\u0131n yo\u011funlu\u011fu, y\u00fcksek vakum veya saf inert atmosfer alt\u0131nda sinterleme i\u015flemi yap\u0131ld\u0131ktan sonra teorik yo\u011funlu\u011fun 'inden fazlas\u0131na ula\u015fabilir. Bu nedenle, sinterlenmi\u015f Neodim m\u0131knat\u0131staki bo\u015fluklar kapanarak manyetik ak\u0131 yo\u011funlu\u011funun ve kimyasal kararl\u0131l\u0131\u011f\u0131n homojenli\u011fini sa\u011flar. Sinterlenmi\u015f Neodim m\u0131knat\u0131slar\u0131n daimi manyetik \u00f6zellikleri kendi mikroyap\u0131s\u0131yla yak\u0131ndan ili\u015fkili oldu\u011fundan, sinterleme sonras\u0131 \u0131s\u0131l i\u015flem de manyetik performans\u0131n, \u00f6zellikle i\u00e7 zorlay\u0131c\u0131l\u0131\u011f\u0131n ayarlanmas\u0131 i\u00e7in kritiktir. Nd-zengini tane s\u0131n\u0131r\u0131 faz\u0131, sinterleme reaksiyonunu te\u015fvik edebilen ve ana faz tanesindeki y\u00fczey kusurlar\u0131n\u0131 onarabilen s\u0131v\u0131 faz olarak hizmet eder. Neodim m\u0131knat\u0131s\u0131n\u0131n sinterleme s\u0131cakl\u0131\u011f\u0131 genellikle 1050 ila 1180 santigrat derece aras\u0131ndad\u0131r. A\u015f\u0131r\u0131 s\u0131cakl\u0131k, tane b\u00fcy\u00fcmesine ve i\u00e7 zorlay\u0131c\u0131l\u0131\u011f\u0131n azalmas\u0131na yol a\u00e7acakt\u0131r. \u0130deal i\u00e7 zorlay\u0131c\u0131l\u0131\u011f\u0131, demanyetizasyon e\u011frisinin dikli\u011fini ve y\u00fcksek s\u0131cakl\u0131kta geri d\u00f6nd\u00fcr\u00fclemez kayb\u0131 elde etmek i\u00e7in, sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n genellikle 900 ve 500 santigrat derecede iki a\u015famal\u0131 temperleme \u0131s\u0131l i\u015flemine tabi tutulmas\u0131 gerekir.<\/p>\n

\u0130\u015fleme<\/strong><\/p>\n

Orta boyutta d\u00fczenli \u015fekle ek olarak, sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131, manyetik alan y\u00f6nlendirme s\u0131k\u0131\u015ft\u0131rma s\u00fcrecindeki teknik s\u0131n\u0131rlamalar nedeniyle gerekli \u015fekil ve boyutsal hassasiyeti bir kerede do\u011frudan elde etmek zordur, bu nedenle, i\u015fleme, sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131 i\u00e7in ka\u00e7\u0131n\u0131lmaz bir s\u00fcre\u00e7tir. Tipik bir sermet malzeme olarak, sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131 olduk\u00e7a sert ve k\u0131r\u0131lgand\u0131r, bu nedenle geleneksel i\u015fleme teknolojileri aras\u0131nda sadece kesme, delme ve ta\u015flama i\u015fleme s\u00fcrecine uygulanabilir. B\u0131\u00e7ak kesimi tipik olarak elmas kapl\u0131 veya CBN kapl\u0131 b\u0131\u00e7ak kullan\u0131r. Tel kesme ve lazer kesim, \u00f6zel \u015fekilli m\u0131knat\u0131s\u0131n i\u015flenmesi i\u00e7in \u00e7ok uygundur, ancak ayn\u0131 zamanda d\u00fc\u015f\u00fck \u00fcretim verimlili\u011fi ve y\u00fcksek i\u015fleme maliyeti nedeniyle ele\u015ftirilir. Sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n delme s\u00fcreci \u00f6ncelikle elmas ve lazerle yap\u0131l\u0131r. Halka m\u0131knat\u0131s\u0131n i\u00e7 deli\u011fi 4 mm'den b\u00fcy\u00fck oldu\u011funda trepanning (daire kesme) s\u00fcrecini se\u00e7mek gerekir. Trepanning s\u00fcrecinde bir yan \u00fcr\u00fcn olarak, kesilen g\u00f6bek di\u011fer uygun daha k\u00fc\u00e7\u00fck m\u0131knat\u0131slar\u0131n imalat\u0131nda kullan\u0131labilir ve b\u00f6ylece malzeme kullan\u0131m oran\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r. Kopyalama ta\u015flamas\u0131 i\u00e7in ta\u015flama ta\u015f\u0131, ta\u015flama y\u00fczeyine g\u00f6re \u00fcretilir.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Y\u00fczey \u0130\u015flem<\/strong><\/p>\n<\/div>\n<\/div>\n

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Y\u00fczey koruyucu i\u015flem, Neodim m\u0131knat\u0131s\u0131, \u00f6zellikle sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131 i\u00e7in gerekli bir prosed\u00fcrd\u00fcr. Sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131, \u00e7ok fazl\u0131 bir mikroyap\u0131ya sahiptir ve Nd2Fe14B ana faz\u0131, Nd-zengini faz\u0131 ve B-zengini fazdan olu\u015fur. Nd-zengini faz, \u00e7ok g\u00fc\u00e7l\u00fc bir oksidasyon e\u011filimi g\u00f6sterir ve nemli ortamda ana faz ile birincil pil olu\u015fturacakt\u0131r. Az miktarda yer de\u011fi\u015ftirme elementleri, m\u0131knat\u0131slar\u0131n kimyasal kararl\u0131l\u0131\u011f\u0131n\u0131 art\u0131rabilir, ancak manyetik performans pahas\u0131na. Bu nedenle, sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n\u0131n korunmas\u0131 \u00f6ncelikle y\u00fczeyine y\u00f6neliktir. Sinterlenmi\u015f Neodim m\u0131knat\u0131s\u0131n\u0131n y\u00fczey i\u015flemi, \u0131slak s\u00fcre\u00e7 ve kuru s\u00fcre\u00e7 olarak s\u0131n\u0131fland\u0131r\u0131labilir. Islak s\u00fcre\u00e7, m\u0131knat\u0131slar\u0131n saf suda veya \u00e7\u00f6zeltide y\u00fczey koruyucu i\u015fleme tabi tutulmas\u0131n\u0131 ifade eder. Islak s\u00fcre\u00e7; fosfatlama, elektrokaplama, kimyasal kaplama, elektroforez, sprey kaplama ve dald\u0131rma kaplamay\u0131 i\u00e7erir. Kuru s\u00fcre\u00e7, m\u0131knat\u0131slar\u0131n \u00e7\u00f6zeltiyle temas etmeden fiziksel veya kimyasal s\u00fcre\u00e7le y\u00fczey koruyucu i\u015fleme tabi tutulmas\u0131n\u0131 ifade eder. Kuru s\u00fcre\u00e7 genellikle fiziksel buhar biriktirme (PVD) ve kimyasal buhar biriktirme (CVD) i\u00e7erir.<\/p>\n

Manyetizasyon<\/strong><\/p>\n<\/div>\n<\/div>\n

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Kal\u0131c\u0131 m\u0131knat\u0131slar\u0131n \u00e7o\u011fu, ama\u00e7lanan uygulamalarda kullan\u0131lmadan \u00f6nce m\u0131knat\u0131slan\u0131r. M\u0131knat\u0131slama s\u00fcreci, kal\u0131c\u0131 m\u0131knat\u0131s\u0131n y\u00f6nelim y\u00f6n\u00fc boyunca bir manyetik alan uygulanmas\u0131 ve artan d\u0131\u015f manyetik alan g\u00fcc\u00fc ile teknik doygunlu\u011fa ula\u015f\u0131lmas\u0131 anlam\u0131na gelir. D\u0131\u015f manyetik alan g\u00fcc\u00fc. Her kal\u0131c\u0131 manyetik malzeme t\u00fcr\u00fcn\u00fcn, m\u0131knat\u0131slanma y\u00f6n\u00fcnde teknik doygunlu\u011fu sa\u011flamak i\u00e7in farkl\u0131 manyetik alan g\u00fcc\u00fcne ihtiyac\u0131 vard\u0131r. D\u0131\u015f manyetik alan g\u00fcc\u00fc, teknik doygunluk manyetik alan\u0131ndan daha d\u00fc\u015f\u00fck olmad\u0131k\u00e7a, remanens ve i\u00e7sel koersivite hak etti\u011fi de\u011ferlerden daha az olacakt\u0131r. Kal\u0131c\u0131 m\u0131knat\u0131s, kolay m\u0131knat\u0131slanma y\u00f6n\u00fc olup olmamas\u0131na g\u00f6re izotropik tip ve anizotropik tip olarak ikiye ayr\u0131labilir. Y\u00fcksek i\u00e7sel koersiviteye sahip anizotropik bir m\u0131knat\u0131s olan sinterlenmi\u015f Neodimyum m\u0131knat\u0131s, darbe m\u0131knat\u0131slamas\u0131 yoluyla m\u0131knat\u0131slanmaya ihtiya\u00e7 duyar. Do\u011frultma i\u015fleminden sonra kondansat\u00f6r \u015farj olur, ard\u0131ndan kondansat\u00f6rdeki elektrik enerjisi anl\u0131k olarak m\u0131knat\u0131slama armat\u00fcr\u00fcne de\u015farj olur. M\u0131knat\u0131slama armat\u00fcr\u00fc, i\u00e7inden ge\u00e7en anl\u0131k g\u00fc\u00e7l\u00fc ak\u0131m s\u0131ras\u0131nda darbeli manyetik alan olu\u015fturabilir. Bu nedenle, bobin i\u00e7indeki kal\u0131c\u0131 m\u0131knat\u0131s m\u0131knat\u0131slanacakt\u0131r. Sinterlenmi\u015f Neodimyum m\u0131knat\u0131s \u00fczerinde, y\u00f6nelim y\u00f6n\u00fcyle \u00e7eli\u015fmedi\u011fi s\u00fcrece \u00e7e\u015fitli m\u0131knat\u0131slama modelleri elde edilebilir.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Neodimyum m\u0131knat\u0131s, g\u00fcn\u00fcm\u00fczde hala en g\u00fc\u00e7l\u00fc ve en s\u0131k kullan\u0131lan nadir toprak kal\u0131c\u0131 manyetik malzemedir. Neodimyum m\u0131knat\u0131s, \u00fcretim s\u00fcrecine g\u00f6re sinterlenmi\u015f Neodimyum m\u0131knat\u0131s, ba\u011flanm\u0131\u015f Neodimyum m\u0131knat\u0131s ve s\u0131cak preslenmi\u015f Neodimyum m\u0131knat\u0131s olarak s\u0131n\u0131fland\u0131r\u0131labilir. Her formun farkl\u0131 manyetik \u00f6zellikleri vard\u0131r, ard\u0131ndan bunlar\u0131n \u00f6rt\u00fc\u015fen [...]<\/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,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1368","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/posts\/1368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/comments?post=1368"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/posts\/1368\/revisions"}],"predecessor-version":[{"id":1371,"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/posts\/1368\/revisions\/1371"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/media?parent=1368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/categories?post=1368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/tr\/wp-json\/wp\/v2\/tags?post=1368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}