Kev siv tungsten thiab kev siv

Txheej txheem cej luam ntawm daim ntawv thov ntawm tungsten
Lub melting point ntawm tungsten yog qhov siab tshaj plaws ntawm tag nrho cov hlau, thiab nws qhov ntom (19.3 g / cm³) yog siab heev, ze rau ntawm kub. Lub hardness ntawm tungsten kuj siab heev, xws li hardness ntawm tungsten carbide yog ze rau ntawm pob zeb diamond. Tsis tas li ntawd, tungsten kuj muaj hluav taws xob zoo thiab thermal conductivity, me me expansion coefficient thiab lwm yam ntxwv, thiab yog li no yog dav siv nyob rau hauv alloys, electronics, tshuaj thiab lwm yam teb, uas cemented carbide yog cov loj tshaj plaws neeg siv ntawm tungsten.
Alloy teb
Hlau
Tungsten steel milling cutter tungsten hardness yog siab heev, tungsten qhov ntom yog ze rau ntawm kub, yog li nws tuaj yeem txhim kho lub zog, hardness thiab hnav tsis kam ntawm cov hlau, nws yog ib qho tseem ceeb alloying caij, nws yog dav siv nyob rau hauv zus tau tej cov txhua yam. ntawm cov hlau, cov tungsten uas muaj cov hlau yog cov hlau kub ceev, tungsten steel thiab tungsten-cobalt sib nqus hlau nrog lub zog magnetizing thiab coercive magnetism, thiab lwm yam, cov hlau no tsuas yog siv los ua ntau yam cuab yeej, xws li xyaum xyaum. , milling cutters, hlau kos duab tuag, pwm tsis zoo thiab pwm zoo, thiab lwm yam.
Tungsten carbide-raws li cemented carbide
Tungsten carbide muaj siab hnav tsis kam thiab refractoriness, thiab nws hardness yog ze rau ntawm pob zeb diamond, yog li nws feem ntau siv rau hauv qee cov cemented carbides. Tam sim no, tungsten carbide-based cemented carbide yog cov neeg siv khoom loj tshaj plaws ntawm tungsten. Hom cemented carbide no yog cov hmoov metallurgy khoom tsim los ntawm sintering tungsten carbide micron-loj hmoov thiab hlau binder (xws li cobalt, npib tsib xee, molybdenum) nyob rau hauv lub tshuab nqus tsev vacuum los yog ib tug hydrogen txo qhov cub. tungsten carbide-raws li cemented carbide yog dav muab faib ua tungsten carbide - cobalt, tungsten carbide - titanium carbide - cobalt, tungsten carbide - titanium carbide - tantalum carbide (niobium) - cobalt thiab steel junctionries li cemented carbide. Cov tungsten carbide-raws li cemented carbides yog siv rau hauv kev tsim cov cuab yeej txiav, cov cuab yeej mining thiab hlau kos duab tuag.

Kub thiab hnav-resistant alloys
Whirlpool tshuab impeller tungsten melting point yog qhov siab tshaj plaws ntawm tag nrho cov hlau, hardness kuj yog siab heev, thiab yog li feem ntau siv los ua cua sov thiab hnav-resistant alloys, xws li tungsten thiab chromium, cobalt, carbon alloys feem ntau siv los tsim xws li valve ntawm lub aero-engine, turbine impellers, xws li high-strength hnav-resistant qhov chaw, thiab tungsten thiab lwm yam refractory hlau (xws li tantalum, niobium, molybdenum, rhenium) alloys feem ntau yog siv los tsim xws li aerospace rockets, nozzles, cav thiab lwm yam high-kub-lub zog qhov chaw. High precision gravity alloys
High precision gravity alloys
Cov roj drilling vim qhov siab ceev ntawm tungsten, siab hardness, yog li ua cov khoom siv siab tshwj xeeb ntawm lub ntiajteb txawj nqus ntawm cov khoom zoo tagnrho, cov khoom sib nqus tshwj xeeb no raws li cov yam ntxwv thiab kev siv tau muab faib ua lub ntsiab ntawm W-Ni. -Fe, W-Ni-Cu, W-Co, W-WC-Cu, W-Ag, xws li hom alloy no muaj lub ntiajteb txawj nqus loj, siab zog, muaj peev xwm nqus cov rays, siab coefficient ntawm thermal conductivity, coefficient ntawm thermal expansion yog me me, conductivity, weldability thiab processability. Zoo, weldability thiab processability thiab lwm yam ntxwv, yog dav siv nyob rau hauv aerospace, aviation, tub rog, roj drilling, hluav taws xob instrumentation, tshuaj thiab lwm yam lag luam, xws li kev tsim khoom ntawm armor, tshav kub dab dej, tswj qhov sib npaug ntawm lub rudder rauj, thiab lwm yam. raws li lub qhov rooj hloov, Circuit Court breaker, qhov chaw vuam electrode thiab lwm yam ntaub ntawv tiv tauj.
Electronic field
Incandescent tungsten plasticity, evaporation tus nqi me me, siab melting point, electron emission muaj peev xwm, thiab yog li tungsten thiab nws alloys yog dav siv nyob rau hauv electronics thiab fais fab kev lag luam. Piv txwv li, tungsten filament muaj lub siab luminous tus nqi thiab lub neej ntev kev pab cuam, yog li nws yog dav siv nyob rau hauv lub tsim ntawm ntau yam noob filaments, xws li incandescent teeb, tungsten iodine teeb, thiab lwm yam. hluav taws xob oscillator raj ncaj qha kub cathode thiab rooj vag nrog rau ntau yam khoom siv hluav taws xob hauv sab kub cathode rhaub. Cov yam ntxwv ntawm tungsten ua rau nws kuj tsim nyog rau TIG vuam thiab lwm yam khoom siv electrode zoo ib yam li cov haujlwm no.
Kev lag luam tshuaj
Tungsten tebchaw feem ntau yog siv los ua catalysts thiab inorganic xim. Piv txwv li, tungsten disulfide yog siv los ua cov roj nplua nyeem thiab catalyst hauv kev tsim cov roj av hluavtaws, bronzed tungsten oxide yog siv rau hauv cov duab, thiab calcium los yog magnesium tungsten feem ntau siv hauv phosphors.
Lwm yam teb
Vim tias tungsten lub thermal expansion zog zoo ib yam li cov iav boron silicate, nws yog siv los ua iav los yog hlau ntsaws ruaj ruaj. Tungsten qhov tsis tshua muaj siab tau ua rau nws siv hauv cov khoom siv tungsten siab. Tsis tas li ntawd, tungsten yog siv nyob rau hauv cov tshuaj hluav taws xob, thiab tungsten hlau yog siv nyob rau hauv qee cov twj paj nruag rau lawv cov hyunts.