Joalo ka moemeli ea tloaelehileng oa carbide e entsoeng ka samente e sebelisoang hangata, tungsten cobalt cemented carbide (mofuta oa YG oa carbide) e bua ka alloy e entsoeng ka tungsten carbide e le karolo e thata le cobalt joalo ka karolo e samenteng, lebitso la Senyesemane ke tungsten cobalt cemented carbide, le lebitso la lebitso le entsoe ka YG le peresente ea karolelano ea cobalt.Lebitso la lebitso le na le "YG" le liperesente tsa karolelano ea cobalt, joalo ka YG6, YG8 joalo-joalo.
Mabapi le ts'ebetso, YG cemented carbide e kopanya melemo ea tungsten carbide le cobalt, e bonts'ang haholo ka thata e phahameng, conductivity e ntle ea mocheso, matla a ts'ebetso e ntle, matla a phahameng a flexural le khanyetso e babatsehang ea ho itšeha.Leha ho le joalo, hoa lokela ho hlokomeloa hore li-index tsa 'mele tsa limaraka tse fapaneng tsa YG cemented carbide li fapane, joalo ka density ea YG6 ke 14.6 ~ 15.0g/cm3, hardness 89.5HRA, flexural strength 1400MPa, impact toughness 2.6J/cm2, coercivity 9.6 ~ 12.8KA / m, matla a hatellang 4600MPa;boima ba YG8 ke 14.5 ~ 14.9g/cm3;boima ba YG8 ke 14.5 ~ 14.9g/cm3;mme boima ba YG8 ke 14.5 ~ 14.9g/cm3.YG8 e na le boima ba 14.5 ~ 14.9g/cm3, boima ba 89HRA, matla a feto-fetohang a 1500MPa, boima ba tšusumetso ea 2.5J/cm2, coercivity ea 11.2 ~ 12.8KA/m, le matla a hatellang a 4600MPa.Ka kakaretso, ka ho eketseha ha lintho tsa cobalt boemong bo itseng, matla a alloy flexural le compressive le ho tiea ho molemo, ha boima le boima bo le tlase.
Khanyetso ea ho roala le ho tiea ha mofuta oa YG carbide e entsoeng ka samente hangata ke para ea 'mele e hanyetsanang, e bonts'ang haholo ho tse latelang: tlas'a maemo a itseng, ka ho eketseha ha cobalt kapa ho fokotseha ha tungsten content, ho tiea ha motsoako ke. e betere, 'me khatello ea maikutlo e fokotsehile;ho fapana le hoo, ka ho eketseha ha tungsten content kapa ho fokotseha ha cobalt, thepa ea abrasive ea alloy e molemo le ho tiea ho futsanehile.E le ho rarolla bothata ba ho hanyetsa ho apara liaparo tse hanyetsanang le boima ba mofuta oa YG-cemented carbide, mofuputsi oa Patent No. CN1234894C o fana ka mokhoa o mocha oa tlhahiso, melemo ea theknoloji ena ea tlhahiso ke: 1) Ka lebaka la sebopeho se sa tšoaneng sa Lithollo tsa WC, mokhatlo oa carbide e entsoeng ka samente e ntlafalitsoe (karolo ea lijo-thollo tsa WC e fokotsehile, kabo ea karolo ea Co e tšoana haholo, porosity e fokotsehile, 'me mehloli ea ho phatloha e fokotsehile haholo), kahoo ho hanyetsa le ho tiea ha motsoako ona ho molemo ho feta e tšoanang cobalt coarser-grained alloys;2) Tšebeliso ea phofo e ntle ea cobalt e molemo ho feta tšebeliso ea phofo e tloaelehileng ea cobalt (2-3μm), 'me ho tiea ha motsoako ona ho matlafatsoa ke 5 ho ea ho 10%, ha ho eketsoa ha (0.3-0.6wt%) TaC e eketseha. boima ba eona (HRA) ka 0.2 ho ea ho 0.3, ke hore, ho hanyetsa ha eona ho boetse ho matlafatsoa.~ 10%, 'me ka mor'a ho eketsa (0.3-0.6wt%) TaC, boima ba eona (HRA) bo eketsoa ka 0.2-0.3, ke hore ho hanyetsa ha eona ho apara ho boetse ho matlafatsoa.
Ho ea ka pono ea mefuta, ho ea ka litaba tse fapaneng tsa cobalt, tungsten-cobalt cemented carbide e ka aroloa ka li-alloys tse tlaase-cobalt, tse mahareng-cobalt le tse phahameng-cobalt;ho ea ka lithollo tse sa tšoaneng tsa tungsten carbide, e ka aroloa ka li-micro-grain, li-grain-grain, li-medium-grain le li-alloys tsa lijo-thollo;ho ea ka litšebeliso tse fapaneng, e ka aroloa ka lisebelisoa tsa ho itšeha, lisebelisoa tsa merafo le lisebelisoa tse sa senyeheng.
Ho ea ka pono ea ts'ebetso ea tlhahiso, mehato ea ho lokisa ea YG e kentsoeng carbide e kenyelletsa phofo ea tungsten carbide le phofo ea cobalt ka ho kopanya, ho sila ka metsi, ho omisa, granulation, ho hatella le ho theha, de-forming agent, sintering joalo-joalo.Tlhokomeliso: Ho sebelisoa mefuta e 'meli ea likaroloana tse mahoashe le tse ntle tsa phofo ea WC bakeng sa ho kopanya, moo boholo ba karoloana ea phofo ea WC e mahoashe e leng (20-30) μm, le boholo ba karoloana ea phofo e ntle ea WC ke (1.2-1.8) μm.
Ho ea ka pono ea ts'ebeliso, tungsten le cobalt cemented carbide e ka sebelisoa ho seha tšepe e entsoeng ka tšepe, litšepe tse se nang ferrous le lisebelisoa tse se nang tšepe, ntle le tlhahiso ea lisebelisoa tse bohale, hlobo ea ho taka, hlobo e batang, li-nozzles, meqolo, lihamore tse ka holimo le lisebelisoa tse ling tse manganga le lisebelisoa tsa merafo.
Nako ea poso: Jul-21-2023