Tsanangudzo yekugadzira simbi: bvisa tsvina musimbi yenguruve uye zvimedu neoxidation uye wedzera huwandu hwakakodzera hwealloy elements kuti ive simbi ine simba rakawanda, kuoma kana zvimwe zvakakosha.Iyi nzira inonzi "steelmaking".
Kune iron carbon alloys ine carbon content ≤ 2.0%, kukosha kwe2.0% C mune iron carbon phase diagram.Kupisa kwepamusoro: austenite, yakanaka inopisa kushanda kushanda;Normal tembiricha: kunyanya pearlite.
Nei kugadzira simbi: simbi yenguruve haigone kushandiswa zvakanyanya.High carbon content: hapana austenite pakupisa kwepamusoro;Kuita kwakashata: kuoma uye brittle, kusimba kwakashata, kutadza kuita welding, kusakwanisa kugadzirisa;Kusvibiswa kwakawanda: yakakwira yeS, P uye inclusions.
Zvinhu zvakajairika musimbi: zvinhu zvishanu: C, Mn, s, P uye Si (inodiwa).Zvimwe zvinhu: V, Cr, Ni, Ti, Cu, nezvimwewo (maererano negiredhi resimbi).Zvikonzero zviripo: ① maitiro ekugumira: s uye P hazvigone kubviswa zvachose;② Raw zvinhu zvakasara: Zvimedu zvakasara Cu, Zn;③ Yakavandudzwa zvivakwa: Mn inovandudza simba uye Al inonatsa zviyo.Element content: ① national standard zvinodiwa: GB;② Bhizinesi mwero: inotemerwa nebhizinesi;③ Mimwe mitemo yenyika: swrch82b (Japan).
Basa guru rekugadzira simbi: basa guru rekugadzira simbi ndere kunatsa simbi yakanyungudutswa uye simbi yakaraswa kuita simbi ine makemikari anodiwa, uye kuita kuti ive nehumwe physicochemical uye mechanical properties.Basa guru rinopfupikiswa se "kubvisa mana, kubviswa kweviri uye kugadzirisa maviri".
4. Decarbonization, desulfurization, dephosphorization uye deoxidation;
Kubvisa zviviri: kubvisa magasi anokuvadza uye tsvina;
Zvigadziriso zviviri: gadzirisa tembiricha yesimbi yemvura uye alloy kuumbwa.
Nguva yekutumira: Kubvumbi-26-2022