A cikin rayuwar yau da kullun, yawancin mutane sun yi imanin cewa bakin karfe ba shi da maganadisu kuma suna amfani da maganadisu don gano shi.Duk da haka, wannan hanya ba ta da inganci a kimiyyance.Da fari dai, zinc alloys da jan ƙarfe na jan karfe na iya yin kama da bayyanar da rashin magnetism, wanda ke haifar da kuskuren imani cewa su bakin karfe ne.Ko da mafi yawan amfani da bakin karfe, 304, na iya nuna nau'i daban-daban na maganadisu bayan aikin sanyi.Don haka, dogaro da maganadisu kawai don tantance sahihancin bakin karfe ba abin dogaro ba ne.
Don haka, menene ke haifar da magnetism a cikin bakin karfe?
Bisa ga binciken kimiyyar lissafi, magnetism na karafa ya samo asali ne daga tsarin jujjuyawar lantarki.Electron juzu'i wani nau'in inji ne wanda zai iya zama ko dai "sama" ko "ƙasa."A cikin kayan ferromagnetic, electrons suna daidaitawa ta atomatik a hanya ɗaya, yayin da a cikin kayan antiferromagnetic, wasu electrons suna bin tsarin yau da kullun, kuma maƙwabtan lantarki suna da kishiyar juzu'i ko na gaba ɗaya.Duk da haka, ga electrons a cikin lattices na triangular, dole ne su duka su juya ta hanya guda a cikin kowane alwatika, wanda zai haifar da rashin tsarin sigina.
Gabaɗaya, bakin karfe austenitic (wanda 304 ke wakilta) ba mai maganadisu bane amma yana iya nuna maganadisu mai rauni.Ferritic (yawanci 430, 409L, 439, da 445NF, da sauransu) da kuma martensitic (wanda 410 ke wakilta) bakin karfe gabaɗaya maganadisu ne.Lokacin da maki bakin karfe kamar 304 aka rarraba a matsayin maras maganadisu, yana nufin kaddarorin maganadisu sun faɗi ƙasa da wani kofa;duk da haka, mafi yawan bakin karfe maki suna nuna wani mataki na maganadisu.Bugu da ƙari, kamar yadda aka ambata a baya, austenite ba maganadisu ba ne ko raunin maganadisu, yayin da ferrite da martensite suna maganadisu.Maganin zafi mara kyau ko rarrabuwar kasusuwa yayin narkewa na iya haifar da kasancewar ƙananan sifofin martensitic ko ferritic a cikin bakin karfe 304, wanda ke haifar da raunin maganadisu.
Bugu da ƙari kuma, tsarin 304 bakin karfe na iya canzawa zuwa martensite bayan aikin sanyi, kuma mafi mahimmancin nakasar, mafi yawan nau'in martensite, yana haifar da ƙarfin maganadisu.Don kawar da magnetism gaba daya a cikin bakin karfe 304, ana iya yin maganin maganin zafin jiki mai zafi don maido da ingantaccen tsarin austenite.
A taƙaice, maganadisu na abu yana ƙayyadaddun tsarin tsari na yau da kullun da daidaita juzu'in lantarki.An yi la'akari da dukiya ta jiki na kayan.Juriya na lalacewa na abu, a gefe guda, yana ƙayyade ta hanyar sinadaran sinadaran kuma yana da zaman kansa daga magnetism.
Muna fatan wannan taƙaitaccen bayani ya taimaka.Idan kuna da wasu tambayoyi game da bakin karfe, da fatan za ku iya tuntuɓar sabis na abokin ciniki na EST Chemical ko barin saƙo, kuma za mu yi farin cikin taimaka muku.
Lokacin aikawa: Nuwamba-15-2023