Raws li cov duab sib txawv, tungsten-raws li alloys tuaj yeem muab faib uatungsten Bar, thaiv, phaj, thiab tungsten pob. Txawm hais tias lawv lub cev thiab cov khoom siv tshuaj muaj txiaj ntsig zoo sib xws, lawv sib txawv hauv kev siv.
Noj covtungsten barPiv txwv li, nws tuaj yeem hu ua tungsten pas nrig. Nws yog ib qho khoom siv hlau nrog cov hlau refractory tungsten raws li theem nyuaj thiab cobalt, npib tsib xee, hlau, tooj liab thiab lwm yam hlau raws li qib sib txuas.
Nyob rau hauv cov nqe lus ntawm lub cev thiab tshuaj zog, tungsten qws combines cov yam ntxwv ntawm tungsten thiab binder, xws li high melting point, high density, siab hardness, siab zog, tsis tshua muaj coefficient ntawm thermal expansion, siab elastic modulus, hnav tsis kam, high-temperature kuj. , zoo conductivity, thiab thermal conductivity. Nco tseg: cov khoom tshwj xeeb ntawm lub cev thiab tshuaj lom neeg ntawm cov hlau kuj tseem cuam tshuam nrog kev faib ua feem ntawm cov khoom siv raw. Thaum lub binder yog hlau tooj liab, cov xim ntawm cov hlau yuav zoo li tooj liab nrog qhov nce ntawm cov ntsiab lus tooj liab; Nrog rau qhov nce ntawm tooj liab cov ntsiab lus, lub melting point, ceev thiab hardness ntawm cov alloy yuav txo, thaum lub conductivity thiab thermal conductivity yuav zoo dua.
Nyob rau hauv cov nqe lus ntawm ntau lawm technology, ntau lawm txoj kev ntawmtungsten barnrog cov tshuaj sib txawv sib txawv yog qhov sib txawv.Piv txwv li, tungsten nickel-hlau alloy pas nrig tuaj yeem tsim los ntawm cov hmoov metallurgy technology lossis txhaj tshuaj molding tshuab. Hmoov metallurgy tshuab hais txog cov txheej txheem thev naus laus zis ntawm ntau hom khoom tsim los ntawm cov hmoov hlau los ntawm kev sib sau thiab sintering;
Txhaj tshuaj molding yog hais txog ib qho kev siv tshuab uas muaj cov qauv uas muaj qee yam kev txhaj tshuaj molten colloid rau hauv pwm kab noj hniav los ntawm kev siab los tsim cov khoom tsim nyog. Lub tungsten tooj liab alloy pas nrig feem ntau yog tsim los ntawm tooj liab infiltration txoj kev, uas yog, tungsten hmoov yog nias thiab sintered rau hauv ib tug tungsten skeleton nrog tej yam porosity, thiab ces ib tug series ntawm kev khiav hauj lwm xws li tooj liab infiltration yuav nqa tawm.
Nyob rau hauv cov nqe lus ntawm daim ntawv thov, tungsten rods yog dav siv nyob rau hauv cov tub rog, lub teb chaws tiv thaiv, aerospace, aviation, navigation, teeb pom kev zoo, tsheb thiab lwm yam teb. Thaum cov tungsten rods tau ua tiav rau hauv cov xov hlau, lawv tuaj yeem siv ua filaments, txhawb cov xov hlau thiab cov hlau lead hauv; Nws tseem tuaj yeem ua hauv av rau hauv cov koob, ua rau ntau yam electrodes, cov cuab yeej siv ceev ceev thiab cov hom phiaj sputtering.
