Cobalt hlau, Cobalt cathode
| Lub Npe Khoom | Cobalt Cathode |
| CAS Nr. | 7440-48-4 |
| Duab | Cov nplais |
| EINECS | 231-158-0 |
| MW | 58.93 |
| Qhov Ceev | 8.92g/cm3 |
| Daim Ntawv Thov | Superalloys, cov hlau tshwj xeeb |
| Cov Tshuaj Lom Zem | |||||
| Co:99.95 | C: 0.005 | S <0.001 | Mn:0.00038 | Fe: 0.0049 | |
| Ni: 0.002 | Cu: 0.005 | Raws li: <0.0003 | Pb: 0.001 | Zn: 0.00083 | |
| Si<0.001 | Cd: 0.0003 | Mg: 0.00081 | P<0.001 | Al <0.001 | |
| Sn <0.0003 | Sb<0.0003 | Bi<0.0003 | |||
Kev piav qhia：
Hlau thaiv, tsim nyog rau kev ntxiv alloy.
Daim ntawv thov ntawm electrolytic cobalt
Cov cobalt ntshiab yog siv rau hauv kev tsim cov cathodes ntawm X-ray tube thiab qee cov khoom tshwj xeeb, cobalt yuav luag siv rau hauv kev tsim khoom
ntawm cov hlau sib xyaw, cov hlau kub muaj zog, cov hlau sib xyaw tawv, cov hlau sib xyaw vuam, thiab txhua yam hlau sib xyaw uas muaj cobalt, Ndfeb ntxiv,
cov ntaub ntawv hlau nplaum tas mus li, thiab lwm yam.
Daim Ntawv Thov:
1. Siv rau kev ua cov hlau nplaum superhard uas tiv taus cua sov thiab cov hlau nplaum sib nqus, cobalt compound, catalyst, hluav taws xob teeb filament thiab porcelain glaze, thiab lwm yam.
2. Feem ntau siv rau hauv kev tsim cov khoom siv hluav taws xob, cov ntaub ntawv sib txhuam, cov roj bearings thiab cov ntaub ntawv qauv xws li hmoov metallurgy.
Gb electrolytic cobalt, lwm daim ntawv cobalt, cobalt phaj, cobalt thaiv.
Cobalt - kev siv tseem ceeb Cov hlau cobalt feem ntau yog siv rau hauv cov hlau sib xyaw. Cov hlau sib xyaw ua los ntawm cobalt yog ib lo lus dav dav rau cov hlau sib xyaw ua los ntawm cobalt thiab ib lossis ntau pawg chromium, tungsten, hlau, thiab nickel. Kev tiv thaiv kev hnav thiab kev ua haujlwm txiav ntawm cov hlau cuab yeej nrog qee qhov cobalt tuaj yeem txhim kho tau zoo heev. Cov carbides cemented uas muaj ntau dua 50% cobalt tsis poob lawv qhov nyuaj qub txawm tias thaum cua sov rau 1000 ℃. Niaj hnub no, hom carbides cemented no tau dhau los ua cov khoom siv tseem ceeb tshaj plaws rau kev siv cov cuab yeej txiav kub thiab txhuas. Hauv cov khoom siv no, cobalt khi ua ke cov noob ntawm lwm cov hlau carbides hauv cov hlau sib xyaw, ua rau cov hlau sib xyaw ua ke ntau dua thiab tsis tshua muaj kev cuam tshuam. Cov hlau sib xyaw yog welded rau ntawm qhov chaw, ua rau lub neej ntawm qhov chaw ntau dua 3 txog 7 zaug.
Cov hlau sib xyaw uas siv ntau tshaj plaws hauv kev siv tshuab aerospace yog cov hlau sib xyaw uas muaj nickel, thiab cov hlau sib xyaw uas muaj cobalt kuj siv tau rau cobalt acetate, tab sis ob qho hlau sib xyaw no muaj "lub zog sib txawv". Lub zog siab ntawm cov hlau sib xyaw uas muaj nickel uas muaj titanium thiab txhuas yog vim muaj NiAl (Ti) theem ua kom tawv, thaum qhov kub khiav siab, cov khoom sib xyaw ua kom tawv yuav nkag mus rau hauv cov kua khov, tom qab ntawd cov hlau sib xyaw sai sai poob zog. Qhov tsis kam kub ntawm cov hlau sib xyaw uas muaj cobalt yog vim muaj cov carbides uas tsis yooj yim hloov mus ua cov kua khov thiab muaj kev ua haujlwm me me. Thaum qhov kub siab tshaj 1038 ℃, qhov zoo tshaj plaws ntawm cov hlau sib xyaw uas muaj cobalt tau pom tseeb. Qhov no ua rau cov hlau sib xyaw uas muaj cobalt zoo meej rau cov tshuab hluav taws xob ua haujlwm tau zoo, kub.
Cov khoom cuam tshuam
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