Isi ọghọm dị na mmiri dị ka quenching na jụrụ oyi maka forgings bụ:

1, na-ahụkarị akụkụ nke austenitic isothermal mgbanwe eserese, ie, banyere 500-600 ℃, mmiri dị na uzuoku film ogbo, na obi jụrụ ọsọ bụ ngwa ngwa, nke na-eduga ná "adụ n'ókè" kpụrụ site na-erughị eru jụrụ na ezughi oke jụrụ ọsọ nke forging.In martensitic mgbanwe usoro 0 ℃, nke ahụ bụ banyere esi mmiri 0 0 0 0 0 1-1, nke bụ banyere esi mmiri. ogbo, ngwa jụrụ oyi dị oke ngwa ngwa, dị mfe ime ka mgbanwe mgbanwe martensitic dị ngwa ngwa ma mepụta oke nrụgide dị n'ime, na-akpata nrụrụ akpụ ma ọ bụ ọbụna ịgbawa.

2, mmiri okpomọkụ nwere mmetụta dị ukwuu na ike jụrụ oyi, n'ihi ya, ọ na-enwe mmetụta nke mgbanwe nke ihere okpomọkụ. Dị ka mmiri okpomọkụ na-abawanye, ndị jụrụ ike ibelata sharply, na okpomọkụ nso nke kacha jụrụ ọnụego na-akpali ka obere okpomọkụ. Mgbe mmiri okpomọkụ gafere 30 ℃, jụrụ ọsọ na nso nke 500-600 ℃ ebelata doro anya, nke na-eduga ná forging bụghị ka obi tara mmiri, ma ọ nwere obere mmetụta na jụrụ ọsọ na nso nke martensation okpomọkụ na-ebilite ka mmiri oyi ℃ 6. ọnụego ga-ebelata ihe dịka 50%.

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3, mgbe mmiri nwere ihe gas (dị ka mmiri ọhụrụ), ma ọ bụ mmiri weere na insoluble adịghị ọcha, dị ka mmanụ, ncha, apịtị, wdg, ga-budata belata ya jụrụ ike, otú ojiji na njikwa kwesịrị pụrụ iche anya.
Dị ka obi jụrụ e ji mara nke mmiri, mmiri H nwere ike ji mee ihe maka quenching na obi jụrụ nke carbon ígwè forgings na obere ngalaba size na mfe shape.Quenching, ga-marakwa: na-na mmiri okpomọkụ n'okpuru 40 ℃, kasị mma n'etiti 15 ka 30 ℃, na na-mmiri ma ọ bụ mmiri mmiri mgbasa, na-ebibi ndị forging elu uzuoku akpụkpọ anụ, nwekwara ike na-eji na-eme ka quench down workpiece usoro (swing ọrụ). gbanwee akpụkpọ ahụ uzuoku, mụbaa ogo nke jụrụ oyi n'etiti 500-650 ℃, ọnọdụ jụrụ oyi, zere imepụta ebe dị nro.

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Oge nzipu: Eprel-22-2020

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