Kub kub thiab siab melting point tungsten hlau
Kev tsim cov tungsten hlau cuam tshuam nrog ntau cov kauj ruam tseem ceeb, feem ntau pib nrog kev rho tawm tungsten ore thiab tom qab ntawd ua nws rau hauv daim ntawv hlau. Hauv qab no yog cov lus qhia luv luv rau txoj kev tsim cov tungsten hlau:
1. Tungsten ore mining: Tungsten feem ntau yog muab rho tawm los ntawm ore, feem ntau yog nyob rau hauv daim ntawv ntawm tungsten oxide minerals, xws li scheelite los yog wolframite. Cov ore yog mined thiab ua tiav kom rho tawm tungsten concentrate.
2. Kev hloov pauv mus rau tungsten hmoov: Cov tungsten concentrate yog tom qab ntawd cov tshuaj hloov mus rau hauv tungsten oxide, uas yog ntxiv txo los ntawm cov txheej txheem hu ua tungsten oxide txo los tsim tungsten hmoov. Cov hmoov tungsten no yog cov khoom siv tseem ceeb rau kev tsim cov tungsten hlau.
3. Powder consolidation: Cov tungsten hmoov yog compacted nyob rau hauv siab siab los ua ib tug khoom thaiv, thiab ces sintered nyob rau hauv high kub los ua ib tug tuab tungsten billet. Qhov no billet yog siv los ua raw khoom rau hlau qws ntau lawm.
4. Kev kos duab: Lub tungsten billet yog tom qab ntawd ua tiav los ntawm kev ua haujlwm ntawm kev kos duab, rub nws los ntawm kev tuag los txo nws txoj kab uas hla mus rau qhov xav tau loj. Cov txheej txheem yuav koom nrog ntau yam kev kos duab kom ua tiav qhov kawg ntawm txoj kab uas hla.
5. Annealing: Cov xaim tungsten kos yuav tsum dhau los ntawm cov txheej txheem annealing, qhov twg cov hlau yog rhuab mus rau qhov kub thiab txias thiab maj mam txias kom tshem tawm cov kev ntxhov siab sab hauv thiab txhim kho nws cov ductility thiab processability.
6. Kev kho deg: tungsten hlau tuaj yeem kho qhov chaw, xws li ntxuav, txheej lossis lwm yam kev hloov kho saum npoo, txhawm rau txhim kho nws cov kev ua tau zoo rau kev siv tshwj xeeb.
7. Kev tswj kom zoo: Thoob plaws hauv tag nrho cov txheej txheem tsim khoom, kev tswj xyuas zoo yog siv los xyuas kom meej tias tungsten hlau ua tau raws li qhov yuav tsum tau ua ntawm qhov ntev, txhua yam thiab tshuaj lom neeg.
Zuag qhia tag nrho, kev tsim cov tungsten hlau yuav tsum ua tib zoo tswj cov kauj ruam, los ntawm kev rho tawm ntawm tungsten ore mus rau qhov kawg ntawm kev kos duab thiab ua tiav. Cov txheej txheem yuav tsum tau precision thiab kev txawj ntse los tsim high-zoo tungsten hlau haum rau ntau yam kev lag luam daim ntaub ntawv.
Tungsten hlau yog dav siv nyob rau hauv ntau yam lag luam vim nws cov khoom tshwj xeeb. Qee qhov kev siv rau tungsten hlau muaj xws li:
1. Teeb pom kev zoo: Tungsten filament yog dav siv nyob rau hauv kev tsim cov qhov muag teev thiab cov teeb halogen. Vim nws qhov siab melting point thiab zoo heev hluav taws xob conductivity, nws yog siv raws li ib tug filament nyob rau hauv cov teeb pom kev zoo daim ntaub ntawv.
2. Cov khoom siv hluav taws xob thiab hluav taws xob: tungsten hlau yog siv rau hauv ntau yam khoom siv hluav taws xob thiab hluav taws xob, nrog rau lub tshuab nqus tsev, cathode ray tubes (CRT), thiab cov khoom siv electron beam vuam. Nws lub siab melting point thiab tsis kam rau thermal expansion ua rau nws haum rau cov kev siv kub kub.
3. Cov khoom cua sov: Tungsten hlau yog siv los tsim cov khoom cua sov rau cov cua kub kub, cov khoom siv hluav taws xob semiconductor, thiab lwm yam kev siv cua sov. Nws muaj peev xwm tiv taus qhov kub siab heev yam tsis muaj deformation lossis oxidation ua rau nws muaj txiaj ntsig rau cov kev siv no.
4. Aerospace thiab Defense: Tungsten filament yog siv rau hauv kev siv dav hlau thiab kev tiv thaiv, xws li filaments siv hauv kev tsim cov cuaj luaj kev taw qhia, hluav taws xob tiv thaiv, thiab lwm yam khoom siv hluav taws xob ua tub rog.
5. Cov khoom siv kho mob: tungsten hlau yog siv rau hauv cov khoom siv kho mob, suav nrog X-ray raj, cov khoom siv hluav taws xob kho mob thiab ntau yam cuab yeej phais. Nws lub siab ntom ntom thiab lub zog ua nws haum rau cov ntawv thov kev kho mob.
6. Lim thiab tshuaj ntsuam: Tungsten hlau mesh yog siv rau hauv kev pom thiab tshuaj xyuas hauv kev lag luam xws li kev ua tshuaj lom neeg, aerospace, thiab tsheb. Cov hlau muaj zog tensile siab thiab corrosion kuj ua rau nws haum rau cov cheeb tsam hnyav.
7. High Temperature Sensors: Tungsten hlau yog siv los tsim cov kub sensors rau kev siv hauv kev lag luam, xws li kev saib xyuas thiab tswj cov txheej txheem kub hauv kev tsim khoom thiab kev tshawb fawb ib puag ncig.
Zuag qhia tag nrho, qhov tshwj xeeb ua ke ntawm cov ntsiab lus melting siab, hluav taws xob conductivity, thiab lub zog ua rau tungsten hlau yog cov khoom muaj txiaj ntsig nrog ntau yam kev siv hauv kev lag luam xws li teeb pom kev zoo, hluav taws xob, aerospace, kev kho mob, thiab kev tsim khoom lag luam.
| Khoom npe | Kub kub thiab siab melting point tungsten hlau |
| Khoom siv | W |
| Specification | Customized |
| Nto | Cov tawv nqaij dub, alkali ntxuav, polished. |
| Cov txheej txheem | Sintering txheej txheem, machining |
| Meltng point | 3400 ℃ |
| Qhov ntom | 19.3g / cm3 |
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