Post forging okpomọkụ ọgwụgwọ nke igwe anaghị agba nchara forgings, nke a makwaara dị ka ọgwụgwọ okpomọkụ mbụ ma ọ bụ ọgwụgwọ okpomọkụ na-akwadebe, a na-eme ya ozugbo mgbe usoro nhazi ahụ gasịrị, na e nwere ọtụtụ ụdị dị ka normalizing, tempering, annealing, spheroidizing, ngwọta siri ike. wdg Taa, anyị ga-amụta banyere ọtụtụ n'ime ha.

Normalisation: Ebumnuche bụ isi bụ imezi nha ọka. Kpoo forging n'elu frasi mgbanwe okpomọkụ na-etolite otu austenite Ọdịdị, kwụsie ike ya mgbe oge edo okpomọkụ, na mgbe ahụ, wepụ ya na ọkụ maka ikuku jụrụ. Ọnụego ikpo ọkụ n'oge normalizing kwesịrị ịdị nwayọọ n'okpuru 700℃iji belata n'ime na mpụga okpomọkụ dị iche na ozugbo nchegbu na forging. Ọ kacha mma ịgbakwunye nzọụkwụ isothermal n'etiti 650℃na 700℃; Na okpomọkụ karịrị 700℃, karịsịa n'elu Ac1 (ntụgharị mgbanwe oge), ọnụ ọgụgụ kpo oku nke nnukwu forgings kwesịrị ịba ụba iji nweta mmetụta nchacha ọka ka mma. Okpomọkụ dị maka ịhazigharị ya na-adịkarị n'etiti 760℃na 950℃, dabere na ntughari oge nke nwere ihe dị iche iche akụrụngwa. Na-emekarị, ka carbon na alloy dị ala, ka okpomọkụ na-eme ka ọ dịkwuo elu, ma ọzọ. Ụfọdụ akara akara nchara pụrụ iche nwere ike iru oke okpomọkụ nke 1000℃ruo 1150℃. Otú ọ dị, a na-enweta mgbanwe nhazi nke igwe anaghị agba nchara na ọla ndị na-adịghị ferrous site na ọgwụgwọ ngwọta siri ike.

Tempering: Ebumnuche bụ isi bụ ịgbasa hydrogen. Ọ nwekwara ike mee ka microstructure kwụsie ike mgbe mgbanwe nke oge gasịrị, wepụ nrụgide mgbanwe nhazi ma belata ike, na-eme ka igwe anaghị agba nchara dị mfe ịhazi na-enweghị nrụrụ. Enwere oke okpomọkụ atọ maka iwe ọkụ, ya bụ oke okpomọkụ tempering (500℃~660℃), okpomọkụ nke etiti (350℃~490℃, na obere okpomọkụ (150℃~250℃). Ihe a na-emekarị nke nnukwu forgings na-agbaso usoro okpomọkụ dị elu. A na-emekarị iwe ọkụ ozugbo ka emechara ya. Mgbe a na-eme ka ihe na-eme ka ọ dị mma na-eme ka ikuku dị jụụ ruo ihe dịka 220℃~300℃, a na-eweghachi ya, na-ekpo ọkụ nke ọma, ma kpochie ya n'ime ọkụ, wee mee ka ọ dị jụụ ruo n'okpuru 250.℃~350℃n'elu nke forging tupu a hapụ ya n'ọkụ. Ọnụego jụrụ oyi mgbe iwe ọkụ gachara kwesịrị ịdị nwayọ nke ukwuu iji gbochie nguzobe nke ntụpọ ọcha n'ihi oke nrụgide ozugbo n'oge usoro jụrụ oyi, yana ibelata nrụgide fọdụrụnụ n'ime imepụta ihe dị ka o kwere mee. A na-ekekarị usoro jụrụ oyi ụzọ abụọ: karịa 400℃, dị ka ígwè dị na okpomọkụ nke nwere ezigbo plasticity na obere brittleness, ọnụ ọgụgụ dị jụụ nwere ike ịdị ntakịrị ngwa ngwa; N'okpuru 400℃, Dị ka ígwè ahụ abanyela n'ogo okpomọkụ nke nwere nnukwu oyi na-agbasi ike na nkwụsịtụ, a ga-eji nwayọọ nwayọọ mee ka ọ dị jụụ iji zere ịgbawa ma belata nrụgide ozugbo. N'ihi na ígwè na-enwe mmetụta nke ọcha tụrụ na hydrogen embrittlement, ọ dị mkpa iji chọpụta ndọtị nke tempering oge maka hydrogen mgbasa dabere na hydrogen Ẹkot na irè cross-section size nke forging, iji gbasaa na tojuru hydrogen na ígwè. , ma wedata ya ka ọ bụrụ ọnụọgụ ọnụọgụ dị mma.

Mwepu: Okpomọkụ na-agụnye usoro niile nke normalizing na tempering (150℃~950℃), na-eji usoro ikpo ọkụ dị ka iwe ọkụ. Annealing na okpomọkụ kpo oku n'elu nkebi mgbanwe ebe (normalizing okpomọkụ) ka a na-akpọ annealing zuru ezu. Annealing na-enweghị mgbanwe nke akụkụ ka a na-akpọ mgbakasị ezughị ezu. Ebumnuche bụ isi nke annealing bụ iji kpochapụ nchekasị ma mee ka microstructure kwụsie ike, gụnyere ikpo ọkụ na-ekpo ọkụ mgbe oyi deformation na obere okpomọkụ annealing mgbe ịgbado ọkụ, wdg Normalisation + tempering bụ usoro dị elu karịa ihe nkwụsịtụ dị mfe, n'ihi na ọ na-agụnye mgbanwe mgbanwe oge zuru ezu. na ngbanwe nhazi, yana usoro mgbasawanye hydrogen na-ekpo ọkụ mgbe niile.