Don tabbatar da ƙarfi mafi girma, dole ne kuma a ƙara carbon zuwa ƙarfe, wanda ƙarfen carbides ke hazo da shi. Daga ra'ayi na electrochemical, baƙin ƙarfe carbide yana aiki azaman cathode, yana haɓaka haɓakar rikicewar anodic a kusa da substrate. Haɓakawa a cikin juzu'in juzu'in ƙarfe na baƙin ƙarfe a cikin microstructure kuma ana danganta shi da ƙarancin ƙarancin ƙarancin hydrogen na carbides.

Fuskar karfe yana da sauƙi don samarwa da shayar da hydrogen. Lokacin da hydrogen atom ya kutsa cikin karfe, juzu'in juzu'in hydrogen zai iya ƙaruwa, kuma a ƙarshe juriya ga haɓakar hydrogen na kayan yana raguwa sosai.

Mahimmancin raguwa a cikin juriya na lalata da haɓakar haɓakar hydrogen na ƙarfe mai ƙarfi ba kawai yana cutar da kaddarorin ƙarfe ba, har ma yana iyakance aikace-aikacen ƙarfe.

Misali, lokacin da karfen mota ya gamu da gurbacewar yanayi daban-daban kamar sinadarin chloride, a karkashin aikin danniya, al’amarin da ke tattare da lalatawar damuwa (SCC) da ka iya faruwa zai haifar da babbar barazana ga lafiyar jikin mota.

Mafi girman abin da ke cikin carbon, ƙananan adadin iskar hydrogen da mafi girma na solubility na hydrogen. Masanin Chan ya taɓa ba da shawarar cewa lahani daban-daban irin su hazo (a matsayin wuraren tarko don atom ɗin hydrogen), yuwuwar, da pores sun yi daidai da abun cikin carbon. Haɓaka abun ciki na carbon zai hana yaduwar hydrogen, don haka ƙimar watsawar hydrogen shima ƙasa ce.

Tunda abun ciki na carbon ya yi daidai da solubility na hydrogen, mafi girman juzu'in juzu'in carbides azaman tarkon zarra na hydrogen, ƙaramin adadin iskar hydrogen a cikin ƙarfe, mafi girman solubility na hydrogen, da solubility na hydrogen shima ya ƙunshi bayani game da hydrogen mai yayyafawa. don haka rashin lafiyar hydrogen embrittlement shine mafi girma. Tare da haɓakar abubuwan da ke cikin carbon, ƙimar watsawar ƙwayoyin hydrogen suna raguwa kuma ƙimar hydrogen ta sama tana ƙaruwa, wanda ke haifar da raguwar hauhawar iskar hydrogen akan saman ƙarfe.