Ki te whakatauritea ki ngā whakawhiti matua ferrite tuku iho, kua nui te aro ki ngā whakawhiti matua amorphous i ngā tau tata nei nā te mea he ahurei te hanganga me te pai ake o te mahi. He mea hanga ēnei whakawhiti mai i tētahi rauemi aukume motuhake e kiia nei ko te koranu amorphous, he āhuatanga tino pai e waiho ana hei whiringa tuatahi mō ngā momo tono. I roto i tēnei tuhinga, ka tūhuratia e mātou he aha te matua amorphous, ka whakamāramahia ngā rerekētanga i waenga i ngā whakawhiti matua amorphous me ngā whakawhiti matua ferrite, ā, ka matapakihia hoki ngā painga o te whakamahi.matua kore āhuangā whakawhiti
Nā, he aha te matua aukume kore āhua? Ko ngā matua aukume kore āhua he mea hanga ki ngā rīpene angiangi o te koranu i hangaia mai i ngā momo huānga whakarewa, ko te rino te huānga matua me te huinga o te boron, te silicon, me te phosphorus. He rerekē ki te rauemi tioata i roto i ngā matua ferrite, kāore ngā ngota i roto i ngā koranu kore āhua e whakaatu ana i tētahi hanganga ngota auau, nō reira te ingoa "kore āhua." Nā tēnei whakaritenga ngota ahurei, he tino pai ngā āhuatanga aukume o ngā matua kore āhua.
Ko te rerekētanga nui i waenga i ngā whakawhiti matua kore āhua me ngā whakawhiti matua ferrite ko ō rātou rauemi matua. Ka whakamahia e ngā matua kore āhua ngā koranu kore āhua kua whakahuatia ake nei, ko ngā matua ferrite ia he mea hanga mai i ngā matū uku kei roto ko te waikura rino me ētahi atu huānga. Nā tēnei rerekētanga o ngā rauemi matua ka rerekē ngā āhuatanga me te mahi a te whakawhiti.
Ko tētahi o ngā painga matua omatua kore āhuaKo ngā whakawhiti hiko he tino whakaiti i ō rātou mate matua. Ko te mate matua e pā ana ki te kaha e marara ana i roto i te matua whakawhiti hiko, ka hua ake he moumou mana me te pikinga o te whakaputa wera. Ki te whakatauritea ki ngā matua ferrite, he iti ake te mate hysteresis me te mate au hurihuri o ngā matua koretake, ka hua ake he pai ake te mahi me te iti ake o te pāmahana whakahaere. Mā te whakapainga o te pai o te mahi o te 30% ki te 70% ki te whakatauritea ki ngā whakawhiti hiko tikanga ka waiho ngā whakawhiti hiko koretake hei kōwhiringa ātaahua mō te umanga penapena hiko.
Hei tāpiritanga, he tino pai ngā āhuatanga aukume o ngā matua kore-āhua, tae atu ki te kiato rere nui o te matūriki. Ko te kiato rere aukume kua tino-āhua e pā ana ki te rere aukume mōrahi ka taea e te rauemi matua te whakauru. He nui ake ngā kiato rere matūriki o ngā koranu kore-āhua ki ngā matua ferrite, e āhei ai te hanga i ngā whakawhiti hiko iti ake, māmā ake, me te kiato mana nui ake. He tino whai hua tēnei painga mō ngā tono e tino nui ana ngā herenga rahi me te taumaha, pērā i ngā hikohiko mana, ngā pūnaha pūngao whakahou me ngā waka hiko.
Ko tētahi atu painga o ngā whakawhiti matua kore āhua ko tā rātou mahi auau teitei. Nā te hanganga ngota ahurei, he iti ake ngā mate matua o ngā koranu kore āhua i ngā auau teitei ake, ā, he pai mō ngā tono e whai wāhi ana ki te whakaiti i te pokanoa hiko aukume (EMI) auau teitei. Mā tēnei āhuatanga ka taea e ngā whakawhiti matua kore āhua te pehi pai i te haruru EMI, ā, ka whakapai ake i te pono o te pūnaha me te whakaiti i te pokanoa i roto i ngā taputapu hiko tairongo.
Ahakoa ēnei painga,matua kore āhuaHe iti ngā herenga o ngā whakawhiti hiko. Tuatahi, he nui ake te utu o ngā koranu kore-āhua i ngā rauemi ferrite, ka pā ki te utu haumitanga tuatahi o te whakawhiti hiko. Heoi, ko ngā penapena pūngao mō te wā roa e tutukihia ana mā te whakapiki ake i te pai o te mahi ka whakaea te utu tīmatanga teitei ake. Tuarua, ko ngā āhuatanga ā-pūkaha o ngā koranu kore-āhua he iti iho i ērā o ngā matua ferrite, ka ngawari ake ai te pāngia e te ahotea ā-pūkaha me ngā kino pea. He mea nui ngā whakaaro hoahoa tika me ngā tikanga tukatuka kia roa ai te ora me te pono o ngā whakawhiti hiko matua kore-āhua.
Hei whakarāpopototanga, he maha ngā painga o ngā whakawhiti matua kore āhua i ngā whakawhiti matua ferrite tuku iho. Nā te iti o ngā mate matua, te nui o te mahi aukume, te pai o te mahi auau teitei, me te iti o te rahi me te taumaha, he mea ātaahua ēnei mō ngā momo tono. I te mea kei te tipu haere tonu te hiahia mō ngā pūnaha whai hua-pūngao, tera pea ka whai wāhi nui ngā whakawhiti matua kore āhua ki te whakatutuki i ēnei whakaritenga me te akiaki i ngā ahumahi ki tētahi heke mai matomato ake, pumau ake.
Wā tuku: Whiringa-ā-rangi 21-2023