Nchịkọta iri nkịtị quenching ụzọ nke igwe ikuku di elu (2)

6. Usoro nkwụsị nke ngwakọta

Ngwakọta quenching usoro: mbụ menyụọ workpiece ka n’okpuru Ms nweta martensite na a olu nta nke 10% ~ 30%, na mgbe ahụ isothermally na ala bainite ebe nweta martensite na bainite Ọdịdị maka workpiece na ibu cross-ngalaba. Alloy ngwá ọrụ ígwè workpiece.

Asaa, tupu-ajụ oyi isothermal quenching usoro

Pre-oyi isothermal quenching usoro: nke a makwaara dị ka kpo oku isothermal quenching, akụkụ a na-akpa mma na a bat na a ala okpomọkụ (karịa Ms), wee bufee na a bath na elu okpomọkụ ka austenite na-enweta isothermal mgbanwe. Ọ dabara maka akụkụ ígwè na-adịghị mma hardenability ma ọ bụ nnukwu workpieces nke a ga-austempered.

Asatọ, usoro nkwụjụjụ jụrụ oyi

Usoro nkwụsị jụrụ oyi na-egbu oge: A na-eme ka akụkụ ndị ahụ dị jụụ n’ikuku, mmiri ọkụ na ịsa nnu na okpomọkụ dịtụ elu karịa Ar3 ma ọ bụ Ar1, mgbe ahụ, a na-eme nkwụsị nke ọkara. A na-ejikarị ya eme ihe maka akụkụ ndị nwere ọdịdị dị mgbagwoju anya na akụkụ nwere nnukwu ọdịiche dị oke na obere nrụrụ chọrọ.

9. Usoro imenyụ na iwe ọkụ

Na-emenyụ usoro iwe ọkụ nke onwe: kpoo ihe niile a na-arụ ọrụ ka a na-edozi, ma naanị na-emikpu akụkụ nke kwesịrị ime ka ike sie ike (na-emekarị akụkụ ọrụ) na mmiri na-ekpo ọkụ ka ọ dị jụụ, ma wepụ ya na ikuku mgbe akụkụ ahụ na-abaghị uru na-apụ n’anya. Usoro nkwụsị na ọkara jụrụ. Usoro nke na-emenyụ onwe ya na-eji ọkụ na-adịghị mma nke ọma na isi ka a na-ebufe ya n’elu iji mee ka ọ dị ọkụ. A na-ejikarị ya eme ihe na-ebute mmetụta dị ka chisel, ọkpọ, hama, wdg.

Iri, usoro ịgbanyụ ọkụ

Jet quenching usoro: The quenching usoro nke jetting mmiri eruba na workpiece, mmiri eruba nwere ike ịbụ nnukwu ma ọ bụ obere, dabere na chọrọ quenching omimi. The ịgba quenching usoro adịghị etolite a vepo film n’elu nke workpiece, nke ana achi achi a miri siri ike oyi akwa karịa nke quenching na ot mmiri. A na-ejikarị emenyụ elu mpaghara.