Njengommeli oqhelekileyo we-carbide ene-cemented esetyenziswa ngokuqhelekileyo, i-tungsten cobalt cemented carbide (uhlobo lwe-YG lwe-cemented carbide) ibhekisela kwi-alloy eyenziwe yi-tungsten carbide njengesigaba esinzima kunye ne-cobalt njengesigaba se-cemented, igama lesiNgesi yi-tungsten cobalt cemented carbide, kunye igama lebrendi liqulunqwe yi-YG kunye nepesenti yomxholo we-cobalt ophakathi.Igama lebrand liqulathe "YG" kunye nepesenti yomxholo wecobalt ophakathi, onje YG6, YG8 njalo njalo.
Ngokubhekiselele ekusebenzeni, i-YG ye-cemented carbide idibanisa iingenelo ze-tungsten carbide kunye ne-cobalt, ezibonakaliswa ubukhulu becala ubunzima obuphezulu, ukuhanjiswa kakuhle kwe-thermal, ukuqina kwempembelelo entle, amandla aphezulu okuguquguquka kunye nokuchasana okugqwesileyo kokusika.Nangona kunjalo, kufuneka kuqatshelwe ukuba izalathisi zomzimba zamabakala ahlukeneyo e-YG cemented carbide zihlukile, ezifana nokuxinana kwe-YG6 yi-14.6 ~ 15.0g / cm3, ubunzima be-89.5HRA, amandla okuguquguquka kwe-1400MPa, ukuqina kwempembelelo 2.6J / cm2, ukunyanzeliswa 9.6 ~ 12.8KA / m, amandla oxinzelelo 4600MPa;Ubuninzi be-YG8 yi-14.5 ~ 14.9g/cm3;Ubuninzi be-YG8 yi-14.5 ~ 14.9g/cm3;kunye noxinzelelo lwe-YG8 yi-14.5 ~ 14.9g/cm3.I-YG8 inobuninzi be-14.5 ~ 14.9g / cm3, ubunzima be-89HRA, amandla okuguquguquka kwe-1500MPa, ukuqina kwempembelelo ye-2.5J / cm2, i-coercivity ye-11.2 ~ 12.8KA / m, kunye namandla oxinzelelo lwe-4600MPa.Ngokuqhelekileyo, ngokunyuka komxholo we-cobalt kwimeko ethile, i-alloy's flexural and compressive strengths and toughness ingcono, ngelixa ubuninzi kunye nobunzima buphantsi.
Ukumelana nokunxiba kunye nokuqina kohlobo lwe-YG ye-cemented carbide idla ngokuba yibini yemizimba ephikisanayo, ebonakaliswa ikakhulu kwezi zinto zilandelayo: phantsi kweemeko ezithile, ngokunyuka komxholo we-cobalt okanye ukuncipha komxholo we-tungsten, ukuqina kwe-alloy. ngcono kwaye ukuxhathisa ukunxiba kuphantsi;ngokuchaseneyo, ngokunyuka komxholo we-tungsten okanye ukuncipha komxholo we-cobalt, ipropathi ye-abrasive ye-alloy ingcono kwaye ukuqina kubi.Ukuze ucombulule ingxaki yokuchasana kokunxiba kunye nokuqina kwe-YG-uhlobo lwe-cemented carbide, umphandi wePatent No. CN1234894C ubonelela ngendlela entsha yokuvelisa, iingenelo zale teknoloji yokuvelisa: 1) Ngenxa yesakhiwo esingeyoyunifomu Iinkozo zeWC, ukulungelelaniswa kwe-carbide ene-cemented kuphuculwe (i-WC ekufutshane nengqolowa iyancitshiswa, ukuhanjiswa kwesigaba se-Co kufana kakhulu, i-porosity iyancitshiswa, kunye nemithombo yokuqhekeka iyancipha kakhulu), ngoko ke ukuxhathisa ukunxiba kunye nokuqina kwale alloy kungcono kunoko. ialloys efanayo ye-cobalt-grained;2) Ukusetyenziswa komgubo ocolekileyo we-cobalt kungcono kunokusetyenziswa kwe-cobalt powders eqhelekileyo (2-3μm), kwaye ukuqina kwe-alloy kuphuculwe ngu-5 ukuya kwi-10%, ngelixa ukongezwa kwe-(0.3-0.6wt%) i-TaC iyanda. ubulukhuni bayo (HRA) ngo-0.2 ukuya ku-0.3, oko kukuthi ukumelana nokunxiba kwayo kuphuculwe.~ 10%, kwaye emva kokongeza (0.3-0.6wt%) i-TaC, ubunzima bayo (HRA) bunyuswe ngo-0.2-0.3, oko kukuthi, ukuxhathisa kwayo kuphuculwe.
Ukususela kumbono weentlobo, ngokwemixholo eyahlukeneyo ye-cobalt, i-tungsten-cobalt cemented carbide ingahlulwa ibe yi-cobalt ephantsi, i-cobalt ephakathi kunye ne-cobalt alloys ephezulu;ngokweenkozo ezahlukeneyo ze-tungsten carbide, inokwahlulwa ibe yi-micro-grain, i-fine-grain, i-medium-grain kunye ne-coarse-grain alloys;ngokweendlela ezahlukeneyo zokusetyenziswa, inokwahlulwa zibe zizixhobo zokusika, izixhobo zemigodi kunye nezixhobo zokunxiba.
Ngokombono wenkqubo yokuvelisa, amanyathelo okulungiselela i-YG ye-cemented carbide iquka i-tungsten carbide powder kunye ne-cobalt powder ngokusebenzisa i-batching, ukugaya okumanzi, ukomisa, i-granulation, ukucinezela kunye nokwenza, i-agent de-forming, sintering njalo njalo.Qaphela: Iintlobo ezimbini zomgubo orhabaxa kunye ocolekileyo womgubo weWC zisetyenziselwa ukudibanisa, apho ubungakanani besuntswana lesuntswana elingumgubo weWC ngu (20-30) μm, kunye nobungakanani besuntswana lomgubo ocolekileyo weWC (1.2-1.8) μm.
Ukusuka kwindawo yokujonga isicelo, i-tungsten kunye ne-cobalt cemented carbide ingasetyenziselwa ukusika isinyithi esityhidiweyo, isinyithi esingenantsimbi kunye nezixhobo ezingezizo zetsimbi, ngaphezu kokuveliswa kwezixhobo ezinqamlekileyo, ukubumba ukubumba, ukubumba okubandayo, imibhobho, imiqulu; iihamile eziphezulu kunye nezinye izixhobo zokunxiba kunye nezixhobo zemigodi.
Ixesha lokuposa: Jul-21-2023