✧ Nānā Laulā
Loaʻa nā mākēneki NIB i nā papa like ʻole, e kūlike ana i ka ikaika o kā lākou mau kahua magnetic, mai N35 (nāwaliwali loa a me ke kumu kūʻai ʻole) a i N52 (ikaika loa, pipiʻi loa a ʻoi aku ka palupalu). ʻOi aku ka ikaika o ka mākēneki N52 ma kahi o 50% ma mua o ka mākēneki N35 (52/35 = 1.49). Ma ʻAmelika Hui Pū ʻIa, he mea maʻamau ka loaʻa ʻana o nā mākēneki papa mea kūʻai aku ma ka pae N40 a i N42. I ka hana nui ʻana, hoʻohana pinepine ʻia ʻo N35 inā ʻaʻole nui ka nui a me ke kaumaha no ka mea ʻoi aku ka liʻiliʻi o ke kumukūʻai. Inā he mau mea koʻikoʻi ka nui a me ke kaumaha, hoʻohana pinepine ʻia nā papa kiʻekiʻe. Aia kahi uku kiʻekiʻe ma ke kumukūʻai o nā mākēneki papa kiʻekiʻe loa no laila ʻoi aku ka maʻamau o ka ʻike ʻana i nā mākēneki N48 a me N50 i hoʻohana ʻia i ka hana ʻana e kūʻē iā N52.
✧ Pehea e hoʻoholo ʻia ai ka māka?
ʻO nā magnet Neodymium a i ʻike nui ʻia ʻo NIB, NefeB a i ʻole super magnets nā magnet kalepa ikaika loa a hoʻohana nui ʻia ma ka honua holoʻokoʻa. Me ka hoʻohui kemika o Nd2Fe14B, he ʻano crystalline tetragonal ko nā magnet neo a ua hana nui ʻia me nā mea o neodymium, Iron a me Boron. I nā makahiki i hala iho nei, ua hoʻololi maikaʻi ka magnet neodymium i nā ʻano magnet mau loa no ka hoʻohana ākea ʻana i nā motika, nā mea uila a me nā mea hana like ʻole o ke ola o kēlā me kēia lā. Ma muli o ka ʻokoʻa o ke koi o ka magnetism a me ka ikaika huki no kēlā me kēia hana, loaʻa maʻalahi nā magnet neodymium i nā papa like ʻole. Hoʻokaʻawale ʻia nā magnet NIB e like me ka mea i hana ʻia ai lākou. Ma ke ʻano he kānāwai maʻamau, ʻoi aku ka kiʻekiʻe o nā papa, ʻoi aku ka ikaika o ka magnet.
Hoʻomaka mau ka nomenclature neodymium me kahi 'N' a ukali ʻia e kahi helu ʻelua huahelu i loko o ka moʻo o 24 a hiki i ka 52. ʻO ka leka 'N' i nā papa o nā magnet neo e kū nei no ka neodymium ʻoiai ʻo nā helu ma lalo nei e hōʻike ana i ka huahana ikehu kiʻekiʻe loa o ka magnet kikoʻī i ana ʻia ma 'Mega Gauss Oersteds (MGOe). ʻO Mgoe ke kumu o ka ikaika o kekahi magnet neo kikoʻī a me ka laulā o ke kahua magnetic i hana ʻia e ia i loko o kekahi lako a noi paha. ʻOiai e hoʻomaka ana ka laulā mua me N24, ʻaʻole i hana hou ʻia nā papa haʻahaʻa. Pēlā nō, ʻoiai ua manaʻo ʻia ka ikehu huahana kiʻekiʻe loa o NIB e hiki i ka N64 akā ʻaʻole i ʻimi ʻia kēlā mau pae ikehu kiʻekiʻe ma ke kālepa a ʻo N52 ka papa neo kiʻekiʻe loa i loaʻa koke i nā mea kūʻai aku.
ʻO nā leka hou aʻe ma hope o ke kūlana e pili ana i nā helu mahana o ka magnet, a i ʻole ka nele o ia mea. ʻO nā helu mahana maʻamau ʻo Nil-MH-SH-UH-EH. Hōʻike kēia mau leka hope loa i ka mahana hana paepae kiʻekiʻe loa e like me ka mahana Curie hiki i kahi magnet ke kū ma mua o ka nalowale mau ʻana o kona magnetism. Ke hana ʻia kahi magnet ma mua o ka mahana Curie, ʻo ka hopena he nalowale o ka hana, hoʻemi ʻia ka huahana a me ka demagnetization hiki ʻole ke hoʻihoʻi ʻia.
Eia nō naʻe, ʻo ka nui kino a me ke ʻano o kekahi magnet neodymium he kuleana koʻikoʻi nō hoʻi i kona hiki ke hana pono i nā mahana kiʻekiʻe. Eia kekahi, ʻo kekahi mea e hoʻomanaʻo ai, ʻo ka ikaika o kahi magnet maikaʻi e pili ana i ka helu, no laila ʻo N37 he 9% wale nō ka nāwaliwali ma mua o N46. ʻO ke ala hilinaʻi loa e helu ai i ka māka pololei o kahi magnet neo ma o ka hoʻohana ʻana i kahi mīkini hoʻāʻo kiʻi hysteresis.
He mea hoʻolako ʻo AH Magnet i nā magnet honua laha i loea i ka noiʻi ʻana, hoʻomohala ʻana, hana ʻana a me ka hoʻokuʻu aku i nā magnet neodymium hao boron sintered kiʻekiʻe, loaʻa nā papa he 47 o nā magnet neodymium maʻamau, mai N33 a 35AH, a me GBD Series mai 48SH a 45AH. Inā makemake ʻoe i kā mākou huahana, e ʻoluʻolu e kelepona mai iā mākou i kēia manawa!
Ka manawa hoʻouna: Nov-02-2022