Nkwadebe
Enwere ike iji annealing Vacuum maka igwe mmiri dị elu, igwe igwe, waya ọkpọkọ igwe kwụ ọtọ, ngwaahịa igwe anaghị agba nchara na ihe alloy titanium maka mgbakasị ahụ na-egbuke egbuke.N'ịbụ ndị na-ebelata okpomọkụ na-ekpo ọkụ, otú ahụ ka a na-achọ ogo agụụ.Iji gbochie evaporation nke chromium na mee ka ọkụ ọkụ dịkwuo ọkụ, a na-ejikarị usoro ikpo ọkụ na-ebu gas (mkpuchi) eme ihe, na ekwesịrị ịṅa ntị na iji argon kama nitrogen maka igwe anaghị agba nchara na titanium alloys.
Usoro
A na-ekewa ọkụ ọkụ na-ekpo ọkụ na-ekpo ọkụ n'ime ụzọ abụọ dị ka ụzọ jụrụ oyi: mmanụ quenching na gas quenching, na-ekewa n'ime otu ụlọ na abụọ ụlọ ụdị dị ka ọnụ ọgụgụ nke ọdụ ụgbọ.Ọkụ 904 Mountain/Weidao bụ nke ọkụ na-arụ ọrụ oge.Igwe ọkụ na-ekpochapụ mmanụ na-ekpo ọkụ bụ ọnụ ụlọ okpukpu abụọ, nwere ihe ọkụ ọkụ eletrik arụnyere n'ime ụlọ azụ na oghere mmanụ dị n'okpuru ụlọ dị n'ihu.Mgbe mpempe ọrụ na-ekpo ọkụ na mkpuchi, a na-ebugharị ya n'ime ụlọ dị n'ihu.Mgbe emechiri ọnụ ụzọ etiti, gas inert na-ejupụta n'ime ụlọ dị n'ihu ruo ihe dịka 2.66% 26 ugboro;LO ~ 1.01% ugboro 26;10 Pa (200-760mm mercury kọlụm), tinye mmanụ.Imenyụ mmanụ nwere ike ime ka akụkụ ọrụ ahụ emebi emebi ngwa ngwa.N'ihi na elu elu ọrụ, ịrịba mkpa oyi akwa carburization nwere ike ime n'okpuru edinam nke a nkenke elu okpomọkụ mmanụ film.Tụkwasị na nke ahụ, ntinye nke carbon oji na mmanụ n'elu adịghị mma iji mee ka usoro ọgwụgwọ okpomọkụ dị mfe.Mmepe nke teknụzụ na-ekpochapụ agụụ na-adabere na mmepe nke ọkụ ọkụ na-ekpo ọkụ gas na-arụ ọrụ nke ọma na otu ọdụ ụgbọ mmiri.Enwere ike iji ọkụ ọkụ abụọ ahụ e kwuru n'elu mee ihe maka ikuku gas (ikuku jet dị n'ihu ụlọ), ma ọrụ nke ọdụ ụgbọ mmiri na-eme ka ọ sie ike ịmepụta nnukwu ọkụ ọkụ, ọ dịkwa mfe ime ka mpempe ọrụ rụọ ọrụ. deformation ma ọ bụ gbanwee nghazi nke workpiece iwelie quenching deformation n'oge elu okpomọkụ ije.Otu ọdụ ọkụ ikuku jụrụ oyi na-eme ka ọ dị jụụ site na ikuku jet n'ime ụlọ kpo oku mgbe kpochara na mkpuchi.Ọsọ oyi nke ikuku jụrụ oyi adịghị ngwa ngwa dị ka nke mmanu jụrụ oyi, ọ dịkwa ala karịa nkwụsị nke isotherm na akara nke quenching nke nnu gbazere n'ụzọ ọdịnala ọdịnala.Ya mere, na-aga n'ihu na-abawanye nrụgide nke ụlọ jụrụ oyi, na-amụba ọnụego eruba, na iji helium gas inert na hydrogen na Molar mass dị obere karịa nitrogen na argon bụ isi mmalite nke mmepe nke teknụzụ na-ekpochapụ agụụ taa.N'ọgwụgwụ 1970s, nrụgide nke nitrogen jụrụ oyi na-abawanye site na (1-2)% 26 ugboro;Mmụba 10Pa ruo (5-6)% ugboro 26;10Pa, na-eme ka ike dị jụụ dị nso na mmanụ jụrụ oyi n'okpuru nrụgide nkịtị.N'etiti 1980s, ultra-high pressure gas quenching pụtara, na-eji (10-20)% 26 ugboro;Helium na 10Pa, nke nwere ike jụrụ oyi nhata ma ọ bụ dịtụ elu karịa imenyụ mmanụ, abanyela n'ọrụ mmepụta ihe.Na mmalite 1990s, 40% 26times nabatara;Mmiri hydrogen 10Pa, nke dị nso na ike jụrụ oyi nke mmiri quenching, ka nọ na mmalite ya.Mba ndị mepere emepe enweela nnukwu nrụgide (5-6)% ugboro 26;10. Pa gas quenching bụ isi akụkụ, mgbe mmekọrịta dị n'etiti Vapor mgbali (theoretical uru) na okpomọkụ nke ụfọdụ ọla na-emepụta na China ka na ogbo nke izugbe pressurized quenching (2% 26times; 10Pa).
Ihe si na ya pụta bụ usoro mgbanyụ ọkụ carburization quenching.Mgbe kpo oku na carburizing okpomọkụ na agụụ na-ejide ya maka elu-ọcha na ebighị, a mkpa carburizing enrichment gas (lee a na-achịkwa ikuku okpomọkụ ọgwụgwọ) na-ewebata, na infiltration na-rụrụ na a ọjọọ mgbali nke mkpokọta 1330Pa (10T0rr).Mgbe ahụ, a na-akwụsị gas (depressurized) maka mgbasa.The nkenke ígwè ọkpọkọ quenched mgbe carburization nakweere a otu oge quenching usoro, nke mbụ ebipụ ike, na-agafe nitrogen na-ajụkwa na workpiece ka dị oké egwu n'ókè A, n'okpuru, na-eme ka esịtidem na-adọ mgbanwe, na mgbe ahụ na-akwụsị gas, na-amalite mgbapụta. , ma na-ebuli okpomọkụ.
Oge nzipu: Jun-20-2023