Linotlolo tse tharo tsa ho ntlafatsa sekhahla sa spheroidization le ductile iron graphite round

Nako ea ho Hatisa: 06 / 26 2021 Mongoli: Mohlophisi oa Setsi Etela: 12761

Ho na le lintlha tse ngata tse amang sekhahla sa spheroidization le ho potoloha ha ductile cast iron. Tse latelang li sekaseka lintlha tse amang sekhahla sa spheroidization ho tsoa likarolong tse tharo tsa sebopeho sa lik'hemik'hale, ts'ebetso le taolo ea ho tiisa:

lik'hemik'hale Sebopeho

1. Carbon e lekanang le silicon

K'habone le silicone ke likarolo tsa mantlha tse amang ho potoloha ha likarolo tsa nodular iron graphite. Tlas'a sekhahla se itseng sa ho pholisa le maemo a poloko, ho eketsa khabone e lekanang ho ka eketsa ho potoloha ha sebaka sa graphite, ho eketsa bokhoni ba ho iphepa le ho fokotsa carbides. Tlas'a maemo a itseng a lekanang le khabone, ha bongata ba silicon bo eketseha, haholo-holo tšepe e kholo ea ductile, graphite e arohaneng e tla hlahisoa. Ka hona, haeba ho se graphite e phaphametseng, e lekanang le khabone e lokela ho eketsoa ka hohle kamoo ho ka khonehang; ka nako e ts'oanang, litaba tsa silicon li lokela ho fokotsoa ka hohle kamoo ho ka khonehang tlasa netefatso ea maemo a poloko.

2. Magnesiamo

Taolo ea likarolo tsa magnesium tse setseng e bohlokoa haholo ho ntlafatsa ho potoloha ha likarolo tsa graphite. Ha magnesium e setseng e sebetsang e le tlase ho 0.045%, ho eketsa bongata ba magnesium e setseng e ka ntlafatsang ho potoloha ha sebaka sa graphite; ha magnesium e setseng e sebetsang e le kholo ho feta 0.045%, graphite ea metamorphic e tla hlahisoa mme ho potoloha ha sebaka sa graphite ho tla fokotsoa.

3. Lefatše le sa tloaelehang

Rare lefatše le na le litlamorao tse peli tse ntle ho tšepe e qhibilihisitsoeng: e 'ngoe ke ho senya le ho theola, ho bapala karolo ea spheroidization le spheroidization e sa tobang; ea bobeli e sebelisana le likarolo tsa mosaletsa ho felisa likarolo tse kotsi le ho bapala lehlakore le letle. Lintlha tsena ka bobeli li ka ntlafatsa ho potoloha ha bolo ea graphite. Leha ho le joalo, masala a sa tloaelehang a masapo, haholo-holo likarolo tse kholo tsa ductile iron, a tla mpefatsa morpholoji ea graphite, haholoholo makhopho. Sebaka se loketseng ke 0.010% ho ya ho 0.019%.

4. Latella likarolo

Ntho e itseng ea antimony le bismuth e kopantsoeng le palo e nepahetseng ea lefats'e e ka ntlafatsang ho potoloha ha sebaka sa graphite le ho ntlafatsa thepa ea mochini. Mefuta e loketseng ea tlatsetso: 0.0025 ～ 0.005%.

Tsela

1. Ho hlasimoloha ho hoholo

Boima bo sa tloaelehang ba lefats'e ba magnesium spheroidizing agent bo ka ntlafatsa ho potoloha ha likarolo tsa graphite ho feta leseli le sa tloaelehang la lefats'e la magnesium spheroidizing agent. Haholo-holo ka lebaka la bokhoni ba eona bo matla ba ho senya le ho ba le matla a ho thibela ho bola.
Haeba khanya e sa tloaelehang ea magnesium spheroidizing agent e laoloa hantle ebile e tlatsetsoa ka likarolo tsa mohlala, e ka ntlafatsa le ho potoloha ha likarolo tsa graphite.
Boleng ba tšepe e entsoeng ka ho qhibilihisoa bo betere ho feta mokhoa oa ho itšireletsa, ka hona e ka ntlafatsa ho potoloha ha likarolo tsa graphite.

2. Phekolo ea ente

Inoculation e matlafalitsoeng e ka ntlafatsa ho potoloha ha libolo tsa graphite.
Ts'ebeliso ea ente e thibelang ho fola e ka ntlafatsa ho potoloha ha libolo tsa graphite.
Ho sebelisa li-filtara tsa tšepe e le sesebelisoa se koahelang spheroidization ho ka etsa graphite ea mantlha e ts'oanang le ho hasana ha graphite e sa qhalaneng, ho hlahisa ho fetoha ha maikutlo ha nako e telele, ho eketsa haholo sekhahla se sebetsang sa nucleation, le ho ntlafatsa ho potoloha ha likarolo tsa graphite. tekanyo.
Ho fokotsa mocheso o tšollang ho ka ntlafatsa ho potoloha ha libolo tsa graphite.

Taolo ea 3.Coagulation

Ho sebelisa tšepe e batang ho ka ntlafatsa ho potoloha ha libolo tsa graphite.
Ts'ebeliso ea lehlabathe la chromite e ka ntlafatsa ho potoloha ha libolo tsa graphite.
Mehato e meng e ka potlakisang pholile le ho khutsufatsa nako nakong ea phetoho ea eutectic ea tšepe ea ductile e ka ntlafatsa ho potoloha ha likarolo tsa graphite.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape: Linotlolo tse tharo tsa ho ntlafatsa sekhahla sa spheroidization le ductile iron graphite round

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