Cov txheej txheem ntau lawm ntawmtungsten tooj liab alloy:
Cov txheej txheem txheej txheem ntawm kev npaj tungsten-tooj liab alloy los ntawm hmoov metallurgy txoj kev yog siv rau kev sib tov, txwv, sib sau, sintering, melting, infiltration thiab txias zus tau tej cov hmoov cov khoom xyaw.Tungsten-tooj liab los yog molybdenum-tooj liab sib xyaw hmoov yog sintered hauv cov kua theem ntawm 1300-1500 ° tom qab kaw molding.Cov khoom npaj los ntawm txoj kev no muaj qhov tsis zoo sib xws, muaj ntau qhov chaw kaw, thiab qhov ntom ntom zoo yog feem ntau qis dua 98%.Nws tuaj yeem txhim kho cov haujlwm sintering thiab txhim kho qhov zoo ntawm tungsten-tooj liab thiab molybdenum-tooj liab alloys.Txawm li cas los xij, nickel activation thiab sintering yuav txo tau cov hluav taws xob thiab thermal conductivity ntawm cov khoom, thiab cov kev taw qhia ntawm impurities nyob rau hauv mechanical alloying yuav txo tau cov khoom conductivity;oxide co-recovery txoj kev los npaj cov hmoov muaj cov txheej txheem cumbersome technical thiab tsis muaj zog ua, ua rau nws nyuaj rau batch txheej txheem.
1. Kev txhaj tshuaj molding txoj kev High-density tungsten alloy yog tsim los ntawm kev txhaj tshuaj molding.Nws txoj kev tsim khoom yog sib tov nickel hmoov, tooj liab tungsten hmoov lossis hlau hmoov nrog ib qho loj me me ntawm 15 microns, tungsten hmoov nrog ib qho me me ntawm 0.52 microns thiab tungsten hmoov ntawm 515 microns, thiab tom qab ntawd sib tov hauv 25% 30% organic binder (xws li dawb wax binder), tshuaj tua kab mob thiab tshuaj tua kab mob. sintering nyob rau hauv nruab nrab kom tau high-density tungsten alloy.
2. Copper oxide hmoov txoj kev Copper oxide hmoov (sib tov thiab sib tsoo kom rov qab tau tooj liab) es tsis txhob hlau tooj liab hmoov, tooj liab alloy tsim ib tug nruam matrix nyob rau hauv lub sintered compact, thiab tungsten yog siv raws li ib tug ntxiv dag zog rau lub moj khaum.Lub siab o tivthaiv yog txwv los ntawm ib puag ncig thib ob tivthaiv, thiab cov hmoov yog sintered nyob rau hauv qis kub humidity.Kev xaiv cov hmoov zoo heev tuaj yeem txhim kho kev ua haujlwm sintering thiab densification, ua rau nws ntau dua 99%.
3. Txoj kev tungsten thiab molybdenum skeleton infiltration method firstly confines cov tungsten hmoov los yog molybdenum hmoov kom zoo, thiab sinters nws mus rau hauv ib tug tungsten thiab molybdenum skeleton nrog ib tug tej yam porosity, thiab ces infiltrates tooj liab.Txoj kev no yog tsim rau tungsten tooj liab thiab molybdenum tooj liab cov khoom uas tsis tshua muaj tooj liab cov ntsiab lus.Piv nrog rau tungsten tooj liab, molybdenum tooj liab muaj qhov zoo ntawm cov khoom me me, yooj yim ntau lawm, linear expansion coefficient, thermal conductivity thiab qee yam khoom tseem ceeb thiab tungsten tooj liab.Txawm hais tias cov cua sov ua haujlwm tsis zoo li ntawm tungsten tooj liab, nws zoo dua li qee cov khoom siv hluav taws xob, yog li nws muaj kev cia siab zoo dua ntawm kev siv.Vim tias qhov ntub dej ntawm molybdenum-tooj liab yog qhov phem dua li ntawm tungsten-tooj liab, tshwj xeeb tshaj yog thaum npaj molybdenum-tooj liab nrog cov ntsiab lus tooj liab tsawg, qhov ntom ntom ntawm cov khoom tom qab infiltration yog tsawg, ua rau cov khoom siv huab cua nruj, hluav taws xob conductivity, thiab thermal conductivity tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua.Nws siv yog txwv.
Post lub sij hawm: Jun-23-2022