Theha TUNGSTEN MOLYBDENUM

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Tungsten boima lits'epe tse kopantsoeng

Phahameng segokanyipalo, formability babatsehang le machinability, e ikhethang ts'enyeho hanyetsa, phahameng modulus tsa elasticity, tsotehang mogote conductivity le tlaase tjaleho mogote. Re hlahisa: tungsten rona boima tšepe lits'epe tse kopantsoeng.

Our "heavyweights" li sebelisoa, ho etsa mohlala, ka lifofane le Aerospace liindasteri, lefapha la bongaka le theknoloji, ho likoloi le foundry liindasteri kapa bakeng sa oli le khase ho cheka. Re ka bokhutšoanyane joale tse tharo tsa tsena ka tlase:

tungsten rona boima tšepe lits'epe tse kopantsoeng W-Ni-Fe le W-Ni-cu na le segokanyipalo sa haholo-holo phahameng (17.0 ho 18,8 g, / cm3) le fana ka u sireletse ka tšeptjoang khahlanong X-ray le mahlaseli a sa gamma. Bobeli W-Ni-Fe le batho bao e seng a khoheli a lintho tse bonahalang tsa rona W-Ni-cu ba sebediswa bakeng sa e sireletsoe ka mohlala ka ho kopo ya kalafi empa hape le oli le khase indasteri. Ka collimators ka thepa mahlaseli phekolo li netefatsa ho pepesehela nepahetse. Ka go lekalekanyo litekanyo re etsa tshebediso ya segokanyipalo haholo-holo phahameng ea tungsten boima tšepe motsoako rona. W-Ni-Fe le W-Ni-cu atolosa feela e fokolang haholo ka thempereichara e phahameng le dissipate mocheso haholo-holo hantle. E le hlobo peho bakeng sa mosebetsi oa aluminium foundry, ba ka ho pheta-pheta halefile le folisoa ntle ho brittle.

Ka motlakase lero Machining (EDM) thulaganyong, lirafshoa tse machined ho boemo bo feteletseng sebetsa ka ho nepahetseng ka ho lutla motlakase pakeng tsa workpiece le eleketrode. Ha koporo le graphite li-electrode ha ho fihlela ho mosebetsi, ba roala manganga tungsten-copper- li-electrode li khona ho mochine esita le tšepe e thata ka ntle le bothata. Ka lero la mali spray nozzles tsa indasteri e barbotage, le thepa ea lintho tse bonahalang tse tungsten le koporo hape tlatsana mong ho e mong ka tsela e phethahetseng.

Li ikhakantse metallic tungsten tšepe e boima bopilwe dikarolo tse peli tse bonahalang. Nakong peli sethaleng thulaganyou e difeme, e porous sintered botlaaseng e pele ya hlahiswa ho tloha motsoako le ntlha e phahameng qhibiliha, ho etsa mohlala le tšepe refractory, pele ho pores bulehileng tse ka nako eo li ikhakantse ka liquified motsoako le ntlha e ka tlaase qhibiliha. The thepa ea likarolo motho a lule e sa fetohe. Ha ba hlahloba ka tlas'a ya microscope, e leng thepa ea e mong le ea likarolo ho tsoela pele ho ba totobala. Ka phahameng ka ho macroscopic Leha ho le joalo, ka thepa ea likarolo motho ba ho kopantswe. Ka lebasetere tse bonahalang metallic, boitsebiso e ncha ka 'na, ho etsa mohlala, ba na e ncha mogote conductivity le makgabane mogote katoloso ya.

THA

Mokelikeli mohato-sintered tungsten-boima tšepe li etsoa ho tswa ho motsoako oa powders tšepe ka tshebetso tlhahiso ea se nang molekane-sethaleng e leng nakong eo dikarolo le lintlha tse ka tlaase qhibilihang li qhibilihile holim'a batho ba nang le lintlha tse e phahameng qhibiliha. Nakong ea mohato binder, dikarolo tsena theha lits'epe tse kopantsoeng le batho hore ba le qhibiliha ntlha e phahameng. Esita le e khōlō palo ya tungsten, e leng o na le le qhibilihang ntlha phahameng, se qhalaneng nakong ea mohato binder. Plansee e mokelikeli mohato sintered le likarolo tse ngata thepa rua molemo segokanyipalo sa tungsten motsoako o, modulus tsa elasticity le bokhoni ba ho monya X-ray le mahlaseli a sa gamma ntle nang le efe kapa efe ya haelloang teng ho amahanngoa le ho e lokisa ea tungsten bo hloekileng Ha ho bapisoa, coefficient la boela la atolosoa mogote le mogote le motlakase conductivity ea mokelikeli dikarolo mohato-sintered itshetlehile ka tekanyo e khōlō haholo ho hlophisoa tse amehang ka mohato binder.

Morao-liheloe thepa ka nako kopana le thepa tse bonahalang ea likarolo tse peli tse fapaneng lintho tse bonahalang. Nakong ea tshebetso ena, thepa li li bolokoa e le boemong bona pele 'me ba tlama feela ka mateano mosesaane. lirafshoa li fused ka hlobo e ho le kamano e haufi ea micrometers tse seng kae feela ka boholo. Ho fapana le dithekeniki tjheseletsa le kulo, mokhoa ona ke haholo-holo a tsitsitseng le a etsa bonnete ba Optimum mogote conduction.



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