I-Ruitai Kitchen Knives: Umthombo Wakho KaNdunankulu Wesethi Yemimese Yasekhishini Yangokwezifiso evela e-China
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I-Ruitai Kitchen Knives: Umthombo Wakho KaNdunankulu Wesethi Yemimese Yasekhishini Yangokwezifiso evela e-China
Kunezinhlobo ezimbili zezindlela zokumboza zamathuluzi ezivamile: i-chemical vapor deposition (cvd) kanye ne- physical vapor deposition (pvd) okwamanje. Eminyakeni yamuva nje, ezinye izinqubo ezintsha zokumboza ziye zavela, ezinethuba elihle lokufaka isicelo.
I-CVD
Indlela ye-CVD, okungeye-athomu yokubeka i-athomu, iyindlela yokwenza ungqimba oluqinile lwe-deposition phezu kokushisa kwe-matrix ngokusebenzisa umhwamuko, i-hydrogen nezinye izingxenye zamakhemikhali ze-metal halide ekushiseni okuphezulu okungu-950~1050℃. Inqubo ihlanganisa izigaba ezintathu: ukuhwamuka kwempahla, ukuthutha ukuya endaweni ye-matrix kanye nokwakheka kokumbondelana ku-matrix.
Phakathi kwazo zonke izinhlobo zezindlela ze-cvd, i-vacuum ion bombardment kanye ne-magnetron ion reaction spraying yizona ezisetshenziswa kakhulu. Ubuchwepheshe be-cvd busetshenziselwa ikakhulukazi ukumboza amathuluzi okusika i-carbide enosimende, afanele ukugoqa ngesivinini esikhulu kanye nokuqeda ukusika okuphakathi nendawo nesindayo.
Uma kuqhathaniswa nezinye izindlela zokumboza, indlela ye-cvd ayinayo kuphela izinzuzo zemishini elula, inqubo evuthiwe, kodwa futhi inezinzuzo ezilandelayo:
Kunezinhlobo eziningi zenhlabathi, ezingambozwa ngezinsimbi, ama-alloys, ama-carbides, ama-nitride, ama-borides, ama-oxides, ama-carbon nitrides, ama-oxygen nitrides, ama-hydro-carbon nitrides, njll. Ngokuvuthwa okuphezulu nokufana, ukumbozwa kwe-multilayer ngezicubu ezihlukene kungatholakala, futhi ubukhulu bokugqoka bufana. Izinga lokubeka liphezulu futhi kulula ukulilawula. I-coating inokuhlanzeka okuphezulu kanye nezinhlamvu ezinhle neziminyene. Ukunamathela okuqinile kungathola ukunamathela okukhulu. Izindleko eziphansi zenqubo, ezifanele ukukhiqizwa ngobuningi.
I-PVD
Indlela ye-PVD iwukukhipha izinto ezisetshenziswa emithonjeni eqondiwe ngezindlela ezibonakalayo njengokuhwamuka noma ukufafaza, bese ufaka la ma-ion kamusi anamandla endaweni engaphansi noma engxenyeni ethile ukuze kwakhe ungqimba lwefilimu ngokusebenzisa i-vacuum noma indawo eyisivacuum. Ukusabela komhwamuko wama-athomu ensimbi ahwamukile noma afafazekile kuholela ekubekweni kwezinhlanganisela ezidingekayo endaweni yamathuluzi. i-pvd coating ingahlanganiswa ne-titanium nitride, i-titanium carbon nitride, i-aluminium titanium nitrogen compounds, kanye nezinsimbi ezihlukahlukene eziphikisayo ze-carbides ne-nitride.
Ubuchwepheshe be-PVD busetshenziswa kakhulu ekwelapheni okungaphezulu kwamathuluzi e-carbide enziwe ngosimende kanye namathuluzi ensimbi amathuluzi esivinini esikhulu. Isetshenziswe kabanzi ekwelapheni okunamathelayo kwe-cemented carbide bit, i-milling cutter, i-reamer, impompi, ithuluzi elimise okukhethekile, ithuluzi lokushisela nokunye.
I-MT-CVD
I-tcn enamathelayo ene-fibrous crystalline morphology eminyene ingatholwa ngezinga lokushisa eliphakathi nendawo le-chemical vapor deposition (MT-CVD) ku-700~900℃. Ugqinsi lwe-coating lungafinyelela ku-8 ~ 10μm, futhi lungaba i-a2o3, ithini phezu kongqimba olungaphezulu ngobuchwepheshe be-cvd.
I-MT-CVD coating blade ifaneleka ngesivinini esikhulu, izinga lokushisa eliphezulu, umthwalo omkhulu, izimo zokusika ezomile, impilo yayo icishe iphindwe kabili kuneyensingo evamile yokugqoka. I-drawback eyinhloko ye-cvd yendlela ukuthi izinga lokushisa le-deposition liphezulu, futhi ithuluzi lokudonsa kanye nokuguqulwa kuzokwenzeka lapho ithuluzi lensimbi yensimbi yesivinini esiphezulu limboziwe. Ngakho-ke ithuluzi elifakiwe kufanele licinywe.
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