Anti -} khaub ncaws khau spikes tiaj tus taub hau {1} tsoo tshuab hlau txhaj molding

Xyoo 1903, German Bolton (W.Von Bolton (W.Von Bolton (W.Von Bolton) ua TANTALUM xo li incandescent ntsiab lus. Xyoo 1909, American Canidge (WDCoolbidge) Siv hmoov metallurgurgy ua rau tungsten hlau los hloov tantalum xaim rau incandescent teeb. Xyoo 1910, Molybdenum hlau tau tsim los ntawm tib txoj kev, yog li qhib txoj kev ntawm tungsten thiab molybdenum hmoov metallurgy. Thaum ntxov tungsten, molybdenum thiab lwm cov khoom lag luam regractory tau me me- cov pas nrig thiab ib daim ntawv ci thiab ib daim hlab, tsuas yog siv nyob rau hauv lub teeb ntawm thiab kev lag luam hluav taws xob. Txij li xyoo 1940, vim qhov xav tau siab rau siab {12} {{{{{14} {{14} {} Tuam Tshoj tau pib tsim cov khoom siv tungsten thiab molybdenum cov ntaub ntawv xav tau rau hluav taws xob teeb thiab cov khoom siv hluav taws xob hauv nruab nrab - 1950s; Thaum xyoo 1950 thiab thaum ntxov 1960, tungsten {{21} {{{} {{{}.}}. Nyob rau hauv nruab nrab -}} {{{{{{{{{{{{14} {{

Piv nrog cov txheej txheem smelting, qhov zoo ntawm refractory hlau hmoov metallurgy, cov txheej txheem ntws tawm yog me me, cov txheej txheem dej ntws yog tsawg, thiab cov khoom xa tawm yog qhov siab. Txawm li cas los xij, kev ua kom huv ntawm cov ntaub ntawv tsim los ntawm cov qauv no tsis yog qhov uas tsim tawm los ntawm lub tshuab nqus tsev SMOADS xws li cov pa ntxig, thiab lwm yam), uas cuam tshuam rau kev ua haujlwm ntawm qee yam khoom.

Npaj cov txheej txheem npaj npaj cov txheej txheem ntawm hmoov metallurgy tungsten thiab molybdenum cov ntaub ntawv suav nrog kev npaj, nias, sintering thiab ua cov hmoov. Hauv kev lag luam, hydrogen yog siv los txo tungsten trioxide thiab molybdenum trioxide los tsim cov hmoov tungsten thiab molybdenum hmoov. Qhov kev txo cov txheej txheem feem ntau yog raws li cov hmoov particle thiab loj me composition xav tau rau kev tsim cov hmoov. Qhov siab dua qhov kev txo qhov kub, tus coarser lub particle loj ntawm cov tau tungsten hmoov thiab molybdenum hmoov. Txhawm rau kom nplua - kev txiav hmoov nplej, yog qhov ntsuas dua tshiab (W5450)) Txhawm rau tsim coarser hmoov, kev txo qib theem, uas yog, lub trioxide yog txo qis dua rau cov hmoov av ntau dua, lossis nce qib ob yog nce kom tau txais cov khoom siv hlau nplaum. Nyob rau hauv xyoo tsis ntev los no, cov txheej txheem ntawm kev txo qis xiav tungsten oxide tau tsim los tsim cov hmoov tungsten tungsten hmoov. Lub particle loj ntawm tungsten hmoov thiab molybdenum hmoov muaj qhov tseem ceeb ntawm lawv cov kev siv tshuab, sinterability, kev ua tau zoo thiab cov khoom vaj khoom kawg.

Qinhuangdao Zhongwe cov khoom siv ua haujlwm zoo tshaj plaws hauv kev txhim kho, copered carbide, coper {}}}. Thiab Pawg ntau lawm ntawm precision, peb- qhov seem yog cov duab thiab cov khoom siv hlau nrog cov kev xav tau tshwj xeeb. Lub tuam txhab muaj cov thev naus laus zis thiab tau tsim los ntawm ib pawg kws tshaj lij uas tau koom nrog kev lag luam hlau ntau tshaj li kaum xyoo, tsim cov pab pawg R & D thiab tsim khoom siv. Lub tuam txhab muaj cov cuab yeej zoo thiab tag nrho cov txheej txheem ntawm kev txhaj tshuaj hlau ntau lawm thiab kuaj cov neeg siv khoom nrog cov kev pab cuam zoo dua thiab cov kev sib tw tau sib tw. Lub tuam txhab cov khoom muaj xws li tooj liab {{10 based hmoov metallurgy, cemented carbide hmoov metallurgy, stainless hlau seem, thiab lwm yam.