Tsebo ea boholo ba lijo-thollo tsa forgings

Boholo ba lijo-thollo bo bolela boholo ba lijo-thollo ka har'a kristale ea boholo ba lijo-thollo.Boholo ba lijo-thollo bo ka hlalosoa ka sebaka se tloaelehileng kapa bophara bo boholo ba lijo-thollo.Boholo ba lijo-thollo bo bontšoa ke tekanyo ea boholo ba lijo-thollo tlhahisong ea indasteri.Kakaretso ea lijo-thollo boholo e kholoanyane, ke hore, e ntle ho feta.Ho ea ka sehlooho se latelang, ke tšepa hore e ka u thusa ho utloisisa boholo ba lijo-thollo tsa forgings.Ke lumela hore ba tloaelane le boholo ba lijo-thollo tsa forgings, joale ha rea ​​​​lokela ho tseba haholo ka boholo ba lijo-thollo tsa forgings.
The deformation ea polasetiki ea forgings e pshatla likristale tsa mantlha tsa dendritic mme li na le phello ea bohlokoa ea ntlafatso ea lijo-thollo.Ka lehlakoreng le leng, ho na le ts'ebetso ea recrystallization nakong ea deformation ea polasetiki ka mocheso o phahameng.Nakong ea mocheso o phahameng oa polasetiki deformation, boholo ba lijo-thollo tsaforgingska mor'a recrystallization e khethoa ke mocheso, tekanyo ea deformation le lebelo.Ka hona, boholo ba lijo-thollo tsaforgingse fumanoang ka mekhoa e fapaneng ea ho forging e fapane.

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Lintho tse ka sehloohong tsa mechine ea li-forging tse nang le lijo-thollo tse mahoashe ke hore polasetiki ea tsona le ho tiea ha tsona li tlase haholo ho feta tse nang le lijo-thollo tse ntle.Ho hloekisa lijo-thollo ka phekolo ea mocheso ha se feela mosebetsi o boima le o theko e boima, empa hape ho thata haholo ebile ha ho khonehe bakeng sa litšepe tse ling tsa alloy.Ka hona, e utloahalangforgingts'ebetso ea limaraka tse itseng tsa tšepe e tlameha ho sebetsoa ho latela setšoantšo sa recrystallization ea ho sebetsa ho chesang.
Ha mocheso oa forging o phahame, boholo ba lijo-thollo tsa forgings bo tla ba kholoanyane ka mor'a ho recrystallization.Ka hona, mocheso oa ho qetela oa ho qhekella o lokela ho fokotsoa ka hohle kamoo ho ka khonehang ho netefatsa ntlafatso ea lijo-thollo tlas'a maemo a hore li-forgings li ke ke tsa hlahisa mocheso o tlaase oa ho qhoqhoa.Leha ho le joalo, ho thata haholo bakeng sa forgings tse kholo ho netefatsa mocheso o ts'oanang oa ho qetela oa ho qhekella likarolong tsohle tsa forging e tšoanang.Sena se ka etsoa feela ka boiphihlelo le bokhoni ba basebetsi ba hloahloa.
Ka nako e itsengforgingmocheso, ho na le bohlokoa deformation degree mefuta e fapaneng.Ha degree ea deformation e le ka har'a mofuta ona, thollo e nchafalitsoeng ea fmetsamaoe batla e mahoashe.Ka hona, tekanyo ea deformation nakong ea forging, haholo-holo mollong oa ho qetela, e lokela ho qojoa ka hohle kamoo ho ka khonehang ka har'a tekanyo ea bohlokoa ea deformation.
Lijo-thollo ha li junifomo e bua ka likarolo tse ling tsa ho forging lijo-thollo ke haholo-holo mahoashe, likarolo tse ling tse nyenyane.Lebaka le ka sehloohong la boholo bo sa lekaneng ba lijo-thollo ke hore ho senyeha ho sa lekaneng ha billet ho etsa hore tekanyo ea ho arohana ha lijo-thollo e fapane, kapa tekanyo ea deformation ea sebaka sa sebaka seo e oela sebakeng sa bohlokoa sa deformation, kapa ho thatafala ha mosebetsi oa sebaka sa superalloy, kapa sebaka sa sebaka seo. boholo ba lijo-thollo tse mahoashe ha bo tima le ho futhumatsa.Litšepe tse sa keneleng mocheso le li-superalloys li ameha haholo ho inhomogeneity ea lijo-thollo.Boholo ba lijo-thollo bo sa lekaneng bo tla fokotsa ts'ebetso ea nako e telele le mokhathala oa liforomo.
Sehlooho sena se bua haholo ka boholo ba lijo-thollo tsa forgings.Ke tšepa hore e tla u thusa.


Nako ea poso: May-08-2021

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