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Tšusumetso ea likarolo tse hlano tse kholo tsa tšepe ea ductile ho li-castings

Motsoako oa lik'hemik'hale oa tšepe ea ductile haholo-holo o kenyelletsa likarolo tse hlano tse tloaelehileng tsa carbon, silicon, manganese, sebabole le phosphorus. Bakeng sa li-castings tse ling tse nang le litlhoko tse khethehileng mabapi le tlhophiso le ts'ebetso, palo e nyane ea likarolo tsa alloy e boetse e kenyelelitsoe. Ho fapana le tšepe e tloaelehileng ea bohlooho, tšepe ea ductile le eona e tlameha ho ba le likaroloana tse setseng tsa spheroidal e le ho netefatsa graphite spheroidization. Re etsa mefuta e mengata e fapaneng eali-castings tsa literaka tsa Majapane le tsa Europe, joalo kabracket ea selemo, shackle ea selemo,pin pin le selemo bushing.

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1, Carbon le carbon e tšoanang molao-motheo oa khetho: k'habone ke ntho ea mantlha ea tšepe ea ductile, khabone e phahameng e thusa graphitization. Leha ho le joalo, khabone e phahameng e tla etsa hore graphite e phaphametse. Ka hona, moeli o ka holimo oa k'habone o lekanang le tšepe ea ductile o thehiloe holim'a molao-motheo oa ho se phaphame ha graphite.

2, molao-motheo oa khetho ea silicon: Silicon ke ntho e matla ea graphitizing. Ka tšepe ea ductile, silicon e ke ke ea fokotsa ka mokhoa o atlehileng tloaelo ea molomo o mosoeu le ho eketsa bongata ba ferrite, empa hape e na le karolo ea ho hloekisa lihlopha tsa eutectic le ho ntlafatsa ho pota-pota ha likarolo tsa graphite.

3, Molao-motheo oa khetho ea manganese: Kaha sebabole se ka har'a tšepe ea ductile se se se le tlase haholo, ha se hloke manganese e ngata ho fokotsa sebabole, karolo ea manganese ka tšepe ea ductile e haholo-holo ho eketsa botsitso ba pearlite.

4, Melao-motheo ea khetho ea Phosphorus: phosphorus ke ntho e kotsi, e qhibiliha haholo ka tšepe ea tšepe. Ka kakaretso, ho theola litaba tsa phosphorus ka tšepe ea ductile, ho molemo.

5, molao-motheo oa khetho ea Sebabole: Sebabole ke ntho e khahlanong le spherical, e na le kamano e matla le magnesium, lefatše le sa tloaelehang le likarolo tse ling tsa spheroidal, boteng ba sebabole bo tla ja lintho tse ngata tsa spheroidal ho ferrofluid, sebopeho sa magnesium le seoelo. li-sulfide tsa lefats'e, tse bakang slag, porosity le liphoso tse ling tsa ho lahla.

6, molao-motheo oa khetho ea likarolo tsa Spheroidal: molemong oa ho netefatsa hore spheroidal e tšoaneleha, palo e setseng ea magnesium le lefats'e le sa tloaelehang e lokela ho ba tlase kamoo ho ka khonehang. Magnesium le masala a lefats'e a sa tloaelehang a phahame haholo, a tla eketsa tloaelo ea molomo o mosoeu oa mokelikeli oa tšepe, 'me a tla ama thepa ea mechine ea li-castings ka lebaka la ho arohana ha tsona meeling ea lijo-thollo.

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Nako ea poso: Jul-04-2023