Tungsten koob yog tungsten electrodes ua los ntawm cov ntaub ntawv uas muaj siab melting point, corrosion kuj, siab ceev, zoo thermal conductivity thiab hluav taws xob conductivity. Ib qho xwm txheej tseem ceeb rau kev ua tau zoo argon arc thiab ntshav plasma vuam yog sib tsoo tungsten koob. Peb tuaj yeem tsim cov koob tungsten ntse ntawm ntau yam kev qhia tshwj xeeb, nrog kev sib tsoo lub khob thiab lub kaum ntse ntse kom paub meej qhov ntev ntawm tungsten electrodes. Cov hom ntawm cov ntsiab lus sharpening yog: ib kawg sharpening, los yog sharpened ntawm ob hnub.
1. Tungsten koob diameters yog 0.2mm, 0.5mm, 1.0mm, 1.5mm, 1.6mm, 2.0mm, 2.4mm, 3.2 mm, 4.0mm, 4.8mm, 6{22}}mm.
2. Tungsten koob ntev: Ntau dua lossis sib npaug li 9 hli (ntev<20mm, only="" one="" end="" can="" be="" used="" for="" sharpening).="" sharpening="" angle:="">
3. Cov ntsiab lus tungsten: W Ntau dua lossis sib npaug rau 99.96 feem pua thiab W Ntau dua lossis sib npaug li 99.98 feem pua.
4. Daim ntawv thov: siv rau microbeam plasma arc vuam ntawm cov nyiaj thiab platinum cov khoom siv hluav taws xob, pulsed microbeam ntshav arc vuam ntawm stainless hlau thermos plhaub, thiab lwm yam.
tungsten koob yog tsim los ntawm carbonyl tungsten vapor nyob rau hauv glow paug tej yam kev mob. Cov koob loj hlob tshwm sim nyob rau hauv thaj tsam ntawm 1500 degree K nyob rau hauv lub chamber kub ntawm lub tungsten substrate, tab sis lub morphology thiab crystalline lub xeev ntawm cov koob tsim nyob rau hauv siab los yog qis dua ~ 1100 degree K yog txawv. Ntawm qhov kub qis dua, cov khoom agglomerated ntawm tungsten hais yog zoo li ib ceg, thiab nyob rau ntawm qhov kub siab dua, zoo li lub whisker.
Tungsten koob yog ib qho ultra-ntse electrode ua los ntawm refractory alloy rau scientific instruments. Lub electrode muaj ib tug blunt taub thiab ib tug taw tes hauv qab. Nws yog tsim los ntawm refractory alloy nrog ib tug ultra-loj electrode txoj kev cylindrical nrog ib tug ntsug axis ntawm kev sib hloov, thiab yuav tsum tau tshem tawm thiab hloov cyclically. Oxidant pas dej ua ke pas nrig.
tungsten koob nrog cov lus qhia taw qhia tsuas yog siv rau ntsuas ntsuas ntsuas. Xws li ib tug digital plaub-probe tester, cov cuab yeej no yog ib lub hom phiaj kev ntsuas ntau yam uas siv lub hauv paus ntsiab lus ntawm kev ntsuas plaub.
Qhov ntsuas no yog tsim los ua raws li cov qauv siv lead ua silicon lub cev ib leeg thiab nrog rau kev siv rau American ASTM tus qauv. Nws yog ib qho cuab yeej rau kev ntsuam xyuas cov resistivity thiab daim ntawv tsis kam (daim ntawv tsis kam) ntawm cov khoom semiconductor.
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