Mokhoa oa ho tima oa ho fetola lipeipi tsa tšepe le Crack

Austempering ke ho fokotsa deformation ea tšepe phala le mokhoa o atlehang oa ho tima crack Jian, empa mokhoa oa ho sebelisa mokhoa o nepahetseng oa ho sebelisa mokhoa oa ts'ebetso e lokela ho thehoa holim'a thepa e utloahalang e se nang seamless phala, boholo, boima le toughness, litlhoko tsa deformation, le maemo a itseng a ho sebetsa. khetho e tla ba Isotherml quenching mathata a hlokang tlhokomelo a akaretsoa ka tsela e latelang:
[1] Tse kang carbon tšepe le tse ling tse ka tlaase hardenability tsa tšepe austempering quenching thatafatsa, e lokela ho ba ho loketseng ho eketsa mocheso quenching, H ke ho eketsa botsitso ba austenite ho qoba le ho thibela ketsahalo ea phahameng-mocheso non-shellfish ka e. quenching quenching process body of transition.

[2] Austempering lithibelo tšepe le phala boholo. Nakong ea austempering quenching quenching, molao-motheo oa motheo ke ho etsa bonnete ba hore phetoho ha e etsahale seamless tšepe mocheso o phahameng ka tshebetso tsidifatso, 'me ka hona boholo ba seamless tšepe phala limaraka tšepe le tšusumetso e tobileng boleng ba austempering quenching quenching, kakaretso litlhoko tsa carbon tšepe seamless pipe botenya e sebetsang e lokela ho ba ka tlase ho 5mm, botenya bo sebetsang ba motsoako bo lokela ho ba tlase ho 30mm. Ho ea ka pono ea litaba tsa khabone ho 0.4% ho isa ho 0.6% ea khabone ha e lokele ho ts'oaroa, ho feta 0.6% kapa ho feta ea carbon steel to austempering quenching.

[3] Mocheso le nako e lokela ho ipapisitsoe le litlhoko tsa ts'ebetso tse thata tsa tšepe tse se nang seamless, ha a bua ka tšepe ea C-curve e ikemiselitse, ha e le hantle, tsohle tsa austenite li fetoloa ho ba bainite, ka mokhoa o pholisang hangata, tharollo ea ho hlapa ea nitrate ka tatellano. ho etsa bonnete ba hore mocheso o tsitsitseng, sesebelisoa se pholileng se lokela ho ekeletsoa bohareng ho thibela ho eketseha ha mocheso oa mocheso ho ama boleng ba ho tima. Joalo-joalo, ho feta moo, bolelele ba nako mocheso o lokela ho hlophisa phepelo ea tšepe e se nang seamless e le sesupo, ho sebetsa ha nako e telele ho fokotsehile, ka hona ho lokela ho nkoa ka botebo.

[4] Litšepe tse thata tse thata 'me tse ling li ka' na tsa se ke tsa halefa. Empa bakeng sa ba bang ^'mele ho thatafala ha workpiece, ka hare masala austenite tla fetoloa ka mor'a moo moea tsidifatso tshebetso ke martensite, e tlameha ho halefa, morero ke ho felisa brittleness le botsitso seamless tšepe 'musi, hlokomela tempering mocheso e lokela ho ba. ka tlase ho mocheso o tlase.


Nako ea poso: May-04-2023