Nkhani - Ndi zinthu ziti zomwe zimakhudza kachulukidwe ka sintering carbide simenti

Kodi ndi zinthu ziti zomwe zimakhudza njira ya sintering densification ya simenti ya carbide

Carbide ya simentindi ufa wachitsulo wopangidwa kuchokera ku carbide (wc, tic) ufa wa micron-kakulidwe ka zitsulo zowuma kwambiri zokhala ndi cobalt (co) kapena faifi tambala (ni) ndi molybdenum (mo) monga chomangira, chotenthetsera mu ng'anjo ya vacuum kapena ng'anjo yochepetsera haidrojeni. .
tungsten carbide
Pamene kupangasimenti carbide, kukula kwa ufa wosankhidwa ndi pakati pa 1 ndi 2 microns, ndipo chiyero ndi chachikulu kwambiri.The zopangira ndi dosed mu mlingo analamula, anawonjezera mowa kapena TV chonyowa mpira mphero, kotero kuti mokwanira osakaniza, wosweka, zouma, sieved ndi anawonjezera kwa sera kapena chingamu ndi mitundu ina akamaumba wothandizila, ndiyeno zouma. ndi sieved kupanga osakaniza.Kenako, chisakanizocho chimapangidwa ndi granulated, kukanikizidwa, ndikutenthedwa mpaka pafupi ndi malo osungunuka azitsulo zomangika (1300 ~ 1500 ℃), gawo lolimba ndi chitsulo chomangika chipanga alloy eutectic.
tungsten carbide
Pambuyo pozizira, magawo olimba amagawidwa mu gridi yopangidwa ndi zitsulo zomangika, zomwe zimagwirizanitsidwa kwambiri kuti zikhale zolimba.Kuuma kwa simenti carbide zimadalira kuuma gawo zili ndi kukula kwa tirigu, mwachitsanzo apamwamba oumitsa gawo okhutira ndi bwino kukula kwa tirigu, kukulirapo kuuma.Kulimba kwasimenti carbidezimatsimikiziridwa ndi zitsulo zomangira, ndipo zitsulo zomangira zapamwamba zimakhala zazikulu, mphamvu yopindika imakulirakulira.

tungsten


Nthawi yotumiza: Jun-09-2023