Kev siv cov graphite pob
Graphite npas yog siv dav hauv ntau lub teb, feem ntau suav nrog kev lag luam metallurgical, cov ntaub ntawv hnav-resistant, seals thiab lubricants. Graphite npas yog dav siv nyob rau hauv ntau lub teb, feem ntau nyob rau hauv electronics, ntaub ntawv, biology, cov ntaub ntawv, zog, aerospace, tub rog kev lag luam thiab technology.
Hauv kev lag luam metallurgical, graphite pob carburizer yog ib puag ncig tus phooj ywg smelting carburizer khoom, feem ntau yog siv los ua kom cov pa roj carbon ntau hauv cov hlau. Nws yog tsim los ntawm ntuj graphite ore los ntawm pob milling, flotation, purification, bonding, curing, drying and packaging, and is in the shape of black oil hemisphere. Kev siv cov graphite pob carburizer tuaj yeem txo cov nqi tsim khoom ntawm cov hlau, txhim kho kev ua haujlwm ntawm cov hlau, txhawb kev loj hlob ntawm crystallizer hauv cov hlau, thiab ua kom cov nplej fineness. Kev siv rau hauv cov khoom hnav-resistant
Graphite npas nrog lub siab hardness yog dav siv nyob rau hauv metallurgy, machinery, tshuaj lom neeg kev lag luam thiab lwm yam lag luam, thiab lawv nto yog tiaj tus los yog ncig nrog ib tug me ntsis arc. Cov khoom no tuaj yeem tiv taus ntau lub cev thiab tshuaj yaig hauv huab cua rau lub sijhawm ntev yam tsis muaj kev puas tsuaj, yog li nws kuj tseem siv rau hauv cov ntsaws ruaj ruaj thiab cov roj nplua nyeem. Kev siv hauv kev lag luam steelmaking
Graphite carbon npas tuaj yeem siv los ua carburizers hauv kev lag luam steel los txhim kho kev ua haujlwm ntawm cov hlau. Nyob rau hauv lub tshuab nqus tsev, lub peev xwm deoxidation ntawm carbon yuav zoo heev. Daim ntawv thov tsim nyog tuaj yeem ua kom zoo dua cov txheej txheem ntawm cov hlau thiab txhim kho nws lub zog, toughness, hardness thiab hnav tsis kam. 3.
Nyob rau hauv lub zog teb, graphite spheres muaj lub zog tseem ceeb li nuclear roj. Lub graphite sphere qhov loj ntawm lub pob ntaus pob tesniv nrog txoj kab uas hla ntawm tsuas yog 60 hli tso tawm lub zog sib npaug rau 15 tons ntawm cov qauv thee, ua kom pom kev siv cov digital thiab cov tswv yim tsim tawm hauv kev txhim kho qhov zoo thiab kev ntseeg siab ntawm cov roj nuclear.
Lub luag haujlwm ntawm graphite npas hauv iav ntau lawm
Lub luag haujlwm ntawm graphite npas hauv iav ntau lawm feem ntau suav nrog cov hauv qab no:
Tiv thaiv iav kua los ntawm kev sib txuas nrog cov ntaub ntawv refractory: Graphite muaj thermal conductivity thiab hluav taws xob zoo heev, uas tuaj yeem tiv thaiv iav kua los ntawm kev sib txuas nrog cov ntaub ntawv refractory, yog li txo cov kev ua tsis tiav thiab kho hauv cov txheej txheem tsim khoom. 1.
Tiv thaiv tsis tsim nyog convection ntawm tin kua: Nyob rau hauv cov txheej txheem iav ntau lawm, kev siv cov graphite npas tuaj yeem txo qhov ntws ntawm cov kua tin thiab zam qhov tsis tsim nyog convection, yog li ua kom zoo thiab ua haujlwm ntawm iav. 1.
Resistant rau chemical corrosion: Graphite cov ntaub ntawv muaj cov tshuaj zoo stability, tsis yooj yim infiltrated los ntawm molten iav, yuav tsis hloov cov iav muaj pes tsawg leeg, thiab xyuas kom meej qhov zoo thiab purity ntawm iav. 2.
Thermal stability thiab tsis kam mus rau cua sov poob siab: graphite cov ntaub ntawv muaj tsawg linear expansion coefficients thiab zoo thermal stability, tuaj yeem tiv taus cua txias thiab cua sov ntawm qhov kub siab, thiab txo qhov deformation thiab kev puas tsuaj ntawm pwm los ntawm kev hloov kub. 3.
Lubrication thiab hnav tsis kam: Cov khoom siv graphite muaj lubrication zoo thiab hnav tsis kam, uas tuaj yeem txo qhov kev sib txhuam ntawm cov pwm thiab cov iav kua nyob rau hauv qhov kub thiab txias thiab kev kub siab thiab ntev kev pab cuam lub neej ntawm pwm 3.
Yooj yim rau txheej txheem: Graphite khoom yog ib qho yooj yim rau txheej txheem thiab tuaj yeem ua rau hauv pwm nrog cov duab nyuaj thiab siab precision, ua tau raws li qhov yuav tsum tau ua rau pwm thiab precision hauv iav manufacturing 3.
Hauv cov ntsiab lus, graphite npas ua lub luag haujlwm hauv kev tiv thaiv adhesion, txo qis convection, tiv thaiv tshuaj lom neeg corrosion, txhim kho thermal stability thiab hnav tsis kam hauv kev tsim cov iav, txhim kho kev ua tau zoo thiab cov khoom zoo ntawm iav ntau lawm.
Daim ntawv thov
Carbon Graphite Material Data Sheet
| W-4 | W-5 | W-6 | W-7 | W-8 | WH-5 | WH-7 | WH-8 | ||
| bulk ntom | g/cm³ | 1.75 | 1.85 | 1.9 | 1.82 | 1.9 | 1.68 | 1.85 | 1.9 |
| Kev tiv thaiv | uΩm | 8-11 | 8-10 | 8-9 | 11-13 | 11-13 | 13-15 | 11-13 | 11-13 |
| Thermal conductivity (100 degree) | W/m.k | 110-120 | 130-140 | 130-140 | 110-120 | 110-120 | 80-100 | 100-120 | 110-120 |
| Thermal expansion coefficient (chaw kub - 600 degree) | 10-6/ degree | 5.46 | 4.75 | 4.8 | 5.8 | 5.85 | 5.8 | 5.9 | 5.85 |
| Ntug Hardness | HSD | 42 | 48 | 53 | 65 | 70 | 60 | 68 | 72 |
| Flexural zog | Mpa | 38 | 46 | 55 | 51 | 60 | 38 | 62 | 70 |
| Compressive zog | Mpa | 65 | 85 | 95 | 115 | 135 | 80 | 135 | 160 |
| Elastic modulus | GPa | 9 | 11.8 | 12 | 12 | 13 | 8.8 | 12 | 13 |
| Porosity | % | 17 | 13 | 11 | 12 | 11 | 18 | 12 | 11 |
| Tshauv | PPM | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
| Purification ntawm tshauv | PPM | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| nplej loj | ua um | 13-15 | 13-15 | 8-10 | 8-10 | 8-10 | 8-10 | 7 | 5 |
| Daim ntawv thov | kev siv | kev siv | Nruam casting, sintering, kub metallurgy | Photovoltaic, EDM | EDM, Photovoltaic, iav | EDM | nquag siv, EDM | EDM, Photovoltaic, iav |
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