Re motlotlo ka khotsofalo e phahameng ea bareki le kamohelo e pharaletseng ka lebaka la ho phehella ha rona ho fumana thepa le litšebeletso tse ntle tsa boleng bo holimo tsa Alumina e sa hloekang / Ceramic / Carbon Sulfur / Graphite / Clay Melting Crucible, Lipakane tsa rona tse ka sehloohong ke ho fa bareki ba rona lefats'eng ka bophara boleng bo holimo, litšenyehelo tse hlōlisanang, phano e monate le litharollo tse ikhethang.
Re motlotlo ka khotsofalo e phahameng ea bareki le kamohelo e pharaletseng ka lebaka la ho phehella ha rona ho fumana lihlahisoa le litšebeletso tse holimo ho feta tsohle.Sebōpi sa Tšibollo sa Chaena le Sebōpi sa Tšibollo sa Ceramic, Re tlo qala karolo ea bobeli ea leano la rona la nts'etsopele. Khamphani ea rona e nka "litheko tse utloahalang, nako e sebetsang hantle ea tlhahiso le tšebeletso e ntle ea kamora thekiso" e le molao-motheo oa rona. Haeba u na le thahasello ho efe kapa efe ea litharollo tsa rona kapa u ka rata ho buisana ka odara e ikhethileng, etsa bonnete ba hore u ikutloa u lokolohile ho ikopanya le rona. Re ntse re labalabela ho theha likamano tse atlehileng tsa khoebo le bareki ba bacha lefatšeng ka bophara haufinyane.
Graphite e nang le silicon ke thepa e kopaneng eo carbide ea silicon e hoketsoeng holim'a substrate ea graphite. E na le litšobotsi tsa ho ba thata haholo, matla a phahameng a mechini le ho hanyetsa ho tsofala ha carbide ea silicon, hammoho le thepa ea ho itlotsa le ho hanyetsa ho tsofala ha graphite ka mocheso. Ke thepa e loketseng ea khohlano le thepa ea tiiso ea mechini, e loketseng ho tiisa ka mechini lipompo tse fapaneng tsa metsi, lipompo tsa oli, lipompo tsa lik'hemik'hale le li-bearing tsa lipompo tse kholo tse fapaneng tse lebelo le tse nang le mojaro o moholo. Ho phaella moo, graphite e nang le silicon e na le khanyetso e ntle ea oxidation, khanyetso ea ho tsofala ha mocheso, porosity e tlase, le conductivity e itseng ea motlakase, 'me e ka sebelisoa e le thepa e kang li-crucible tsa tšepe tse qhibilihisang le li-tube tsa draft.
Sebopeho sa graphite e nang le silicon sea tšoana, bokaholimo bo tsamaellana le bokahare, 'me karolelano ea sebopeho sa silicon carbide le graphite e ka fetoloa. Ha dikahare tsa silicon carbide li le holimo, boima ba thepa bo ba boholoanyane, matla a ho hatella a ba a hodimo, mme resistivity e a eketseha.
Setšoantšo sa metallographic sa graphite e entsoeng ka silicon
(karolo e ntšo ke graphite, karolo e putsoa ke silicon carbide, 'me karolo e tšoeu ke silicon)
| 硅化石墨主要技术指标 | |
| 类别 Ntho | 指标 Value |
| 密度 Density | 2.4-2.9g/cm³ |
| 孔隙率 Porosity | <0.5% |
| 抗压强度 Matla a hatellang | >400MPa |
| 抗折强度 Flexural matla Matla a ho tenyetseha | >120MPa |
| 热导率 Thermal conductivity | 120W/mK |
| 热膨胀系数 Coefficient ea katoloso ea mocheso | 4.5×10-6 |
| 弹性模量Modulus ea matla | 120GPa |
| 冲击强度 Matla a amang | 1.9KJ/m² |
| 水润滑摩擦系数 Metsi a lubricated friction | 0.005 |
| 干摩擦系数Dry friction coefficient | 0.05 |
| 化学稳定性 Botsitso ba lik'hemik'hale | 各种盐，有机溶剂，强酸(HF,HCl,H₂SO4,HNO₃) Matsoai a fapaneng, metsoako ea tlhaho, li-asidi tse matla (HF,HCl,H₂SO4,HNO₃) |
| 长期稳定使用温度 Mocheso o tsitsitseng oa tšebeliso ea nako e telele | 800℃(氧化气氛), 2300℃(惰性或真空气氛) 800℃ (sepakapaka se eketsang oksijene), 2300℃ (sepakapaka se se nang letho kapa se se nang vacuum) |
| 电阻率 Motlakase oa ho hanyetsa | 120×10-6Ωm |
Re motlotlo ka khotsofalo e phahameng ea bareki le kamohelo e pharaletseng ka lebaka la ho phehella ha rona ho fumana thepa le litšebeletso tse ntle tsa boleng bo holimo tsa Alumina e sa hloekang / Ceramic / Carbon Sulfur / Graphite / Clay Melting Crucible, Lipakane tsa rona tse ka sehloohong ke ho fa bareki ba rona lefats'eng ka bophara boleng bo holimo, litšenyehelo tse hlōlisanang, phano e monate le litharollo tse ikhethang.
Boleng bo botleSebōpi sa Tšibollo sa Chaena le Sebōpi sa Tšibollo sa Ceramic, Re tlo qala karolo ea bobeli ea leano la rona la nts'etsopele. Khamphani ea rona e nka "litheko tse utloahalang, nako e sebetsang hantle ea tlhahiso le tšebeletso e ntle ea kamora thekiso" e le molao-motheo oa rona. Haeba u na le thahasello ho efe kapa efe ea litharollo tsa rona kapa u ka rata ho buisana ka odara e ikhethileng, etsa bonnete ba hore u ikutloa u lokolohile ho ikopanya le rona. Re ntse re labalabela ho theha likamano tse atlehileng tsa khoebo le bareki ba bacha lefatšeng ka bophara haufinyane.
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