Yadda ake magance blackening na stee

A karkashin yanayi na yanayi, za a samar da fim din oxide na 10-20A a saman sassan karfe saboda haɗuwa da oxygen a cikin iska.A lokacin samar da fina-finai na dabi'a, dangane da abubuwan da ke cikin jikin karfe da kansa, yanayin yanayin da yanayin yanayin iska, wasu daga cikin finafinan oxide da aka kafa suna da bakin ciki, wasu suna da yawa kuma cikakke, wasu kuma sako-sako ne kuma basu cika ba.A mafi yawan lokuta, fim ɗin oxide na halitta da aka kafa ba zai iya hana ƙarfe daga lalacewa yadda ya kamata ba.
Akwai da yawa hadawan abu da iskar shaka hanyoyin magani ga karfe, ciki har da alkaline sinadaran hadawan abu da iskar shaka, alkali-free hadawan abu da iskar shaka, high zafin jiki iskar shaka iskar shaka da kuma electrochemical hadawan abu da iskar shaka.A halin yanzu, ana amfani da hanyar oxidation na sinadarin alkaline sosai a cikin masana'antu.(Haka kuma hanyar acid oxidation)
Halayen fim din oxide: kyakkyawan launi, babu haɓakar hydrogen, elasticity, fim ɗin bakin ciki (0.5-1.5um), babu wani tasiri mai mahimmanci akan girman da daidaiton sassan, kuma yana da wani tasiri akan kawar da damuwa da aka haifar bayan zafi. magani.
Yin baƙar fata wani nau'in hanyar maganin iskar shaka ne.The karfe sassa ana sanya a cikin wani sosai mayar da hankali bayani na alkali da oxidant, mai tsanani da oxidized a wani zazzabi, sabõda haka, Layer na uniform da m karfe surface an kafa da da tabbaci bonded zuwa tushe karfe.Ana kiran tsarin fim din ferric oxide baƙar fata.Saboda tasirin abubuwa daban-daban a cikin aiki, launi na wannan fim shine blue-baki, baki, ja-launin ruwan kasa, tan, da dai sauransu.
Dalilin yin baƙar fata yana da abubuwa uku masu zuwa:
1. Anti-tsatsa sakamako a kan karfe surface.
2. Ƙara kyau da haske na karfe.
3. A dumama a lokacin baƙar fata lokaci taimaka wajen rage danniya a cikin workpiece.
Saboda maganin baƙar fata yana da abubuwan da aka ambata a sama, farashin yana da ƙasa, kuma ingancin yana da girma, ana amfani dashi sosai a cikin jiyya na karfe da kuma rigakafin tsatsa tsakanin matakai.