Litšobotsi tsa tšepe e khethehileng ke life?

Ha ho bapisoa letšepe e tloaelehileng, tšepe e khethehileng e na le matla a phahameng le ho tiea, thepa ea 'mele, thepa ea lik'hemik'hale, biocompatibility le ts'ebetso ea ts'ebetso.Empa tšepe e khethehileng e na le litšobotsi tse ling tse fapaneng le tšepe e tloaelehileng.Bakeng satšepe e tloaelehilengbatho ba bangata ba utloisisa haholoanyane, empa bakeng sa litšobotsi tsatšepe e khethehileng, batho ba bangata ba ile ba bua ba ferekane haholoanyane.Ka hona, sehlooho se latelang se lebisa tlhokomelo ho litšobotsi tsa litšepe tse khethehileng.
Likarolo tsa tšepe e khethehileng:
Ha ho bapisoatšepe e tloaelehileng, tšepe e khethehileng e na le litšobotsi tsa bohloeki bo phahameng, ho tšoana ho phahameng, mohaho o motle haholo le ho nepahala ho phahameng:
(1) Bohloeki bo phahameng.Likahare tsa khase le li-inclusions (ho kenyelletsa le li-inclusions tsa tšepe tse nang le ntlha e tlaase ea ho qhibiliha) ka tšepe li ka fokotsoa.Ha bohloeki ba tšepe bo eketsehile ho isa moeling o itseng, eseng feela thepa ea pele ea tšepe e ka ntlafatsoang haholo, empa hape le thepa e ncha ea tšepe e ka fuoa.Ka mohlala, dikahare tsa oksijene ka tšepe ea ho jara li fokotsehile ho tloha ho 30 × 10-6 ho ea ho 5 × 10-6, 'me bophelo ba ho beleha bo eketseha ka makhetlo a 30.Litšepe tsa Universal austenitic tse sa hloekang ha li na khatello ea maikutlo ha phosphorus e fokotsehile ho 3 × 10-6.Qetellong ea lekholo la bo20 la lilemo, boemo ba bohloeki (10) ba tšepe bo ka finyelloang ka tlhahiso ea bongata ke: hydrogen ≤1, oksijene ≤5, carbon ≤10, sebabole ≤10, nitrogen ≤15, phosphorus ≤25.

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(2) Ho tšoana ho phahameng.Karohano ea ho hlophisoa ha tšepe e lebisa mohahong o sa lekaneng le thepa ea tšepe, e leng e 'ngoe ea mabaka a bohlokoa a ho hlōleha ha likarolo tsa tšepe pele ho nako le bothata ba ho sebelisa ka botlalo thepa e ka bang teng ea tšepe.Theknoloji ea morao-rao ea tlhahiso e lokela ho etsa hore ho ts'oana ha tšepe ho fihlelle: koloi ea gear ea tšepe e thata ho fetoha ha sekhahla ke ± 3HRC;Litaba tsa carbon, nickel, molybdenum ≤± 0.01%, le manganese le chromium ≤± 0.02% li ne li laoloa ka nepo.Boholo ba lijo-thollo tsa tšepe e nang le tšepe ka mor'a ho tima bo chitja 'me ho feto-fetoha ha boholo ke 0.8± 0.2 μm.Thepa ea mochini ea tšepe ea laminated e thibelang ho lla (Z-direction steel) sebakeng sa longitudinal, transverse le botenya, haholo-holo litlhoko tsa polasetiki le boima li tšoana ka kakaretso.
(3) Sebopeho se setle haholo.Ultra-fine microstructure ho matlafatsa ke eona feela mokhoa o matlafatsang o ka eketsang matla a tšepe ntle le ho fokotseha kapa ho eketsa ho tiea hanyenyane.Mohlala, ha boholo ba lijo-thollo tsa tšepe e sa hloekang e matla e phahameng ea AFC77 e hloekisoa ho tloha ho 60μm ho isa ho 2.3 μm, ho thatafala ha fracture Kic ho eketseha ho tloha ho 100 ho isa ho 220MPa · m.Thempereichara e khantšitsoeng e khantšitsoeng ea poleiti ea tšepe e mahoashe ka har'a sekepe sa khatello ea reactor ea nyutlelie ke 150 ~ 250 ℃ ha ea tšepe e entsoeng hantle e le 50 ~ 70 ℃.Ha boholo ba carbide ka tšepe e nang le tšepe e ntle ho ≤0.5μm, bophelo ba ho beleha bo tla ntlafala haholo.
(4) Ho nepahala ho phahameng.Litšepe tse khethehileng li lokela ho ba le boleng bo botle ba holim'a metsi le ho mamella maemo a fokolang.Ho nepahala ha molamu oa tšepe o chesang ho fihla ho ± 0.1mm, mamello ea botenya ea li-coil tsa lakane e chesang e fihla ho ± 0.015 ~ 0.05mm, 'me mamello ea botenya ea khoele ea lakane e batang e fihla ho ± 0.003mm.


Nako ea poso: Mar-30-2021

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