Re ikemiselitse ho fumana ho senyeha ha boleng ba tlhahiso le ho fana ka litšebeletso tse molemo ka ho fetisisa ho bareki ba malapeng le ba mose ho maoatle ka pelo eohle bakeng sa Factory source Graphite Crucible for Melting Gold Capacity 1kg 2kg 3kg, Ho ntlafatsa lekala la ho atolosa, re memela ka tieo batho le mekhatlo e nang le takatso e matla hore ba ikopanye le bona. moemeli.
Re ikemiselitse ho fumana ho senyeha ha boleng ho tsoa tlhahiso le ho fana ka litšebeletso tse ntle ka ho fetisisa ho bareki ba malapeng le ba mose ho maoatle ka pelo eohle bakeng saChina Graphite Mold le Graphite, Re lumela ho theha likamano tse ntle tsa bareki le tšebelisano e ntle bakeng sa khoebo. Tšebelisano e haufi le bareki ba rona e re thusitse ho theha liketane tse matla tsa phepelo le ho fumana melemo. Litharollo tsa rona li entse hore re amoheloe hohle le khotsofalo ea bareki ba rona ba bohlokoa lefatšeng ka bophara.
Silicone graphite ke thepa e kopantsoeng eo silicon carbide e khomaretsoeng ka holim'a karoloana ea graphite. E na le litšoaneleho tsa boima bo phahameng, matla a phahameng a mochine le ho hanyetsa ha silicon carbide, hammoho le thepa ea ho itlotsa le ho hanyetsa mocheso oa graphite. Ke thepa e loketseng ea likhohlano le thepa e tiisang mochini, e loketseng ho tiisa lipompo tse fapaneng tsa metsi, lipompo tsa oli, lipompo tsa lik'hemik'hale, le li-bearings tsa lipompo tse fapaneng tse lebelo le tse phahameng haholo. Ntle le moo, graphite e entsoeng ka siliconized e na le khanyetso e ntle ea oxidation, ho hanyetsa mocheso oa mocheso, porosity e tlase, le conductivity e itseng ea motlakase, 'me e ka sebelisoa e le lisebelisoa tse kang litšepe tse qhibilihisang tšepe le li-tubes tse ntseng li sebelisoa.
Sebopeho sa siliconized graphite se tšoana, bokaholimo bo lumellana le ka hare, 'me tekanyo ea sebopeho sa silicon carbide le graphite e ka fetoha. Ha litaba tsa silicon carbide li phahame, ho ba le letsoalo le leholo la thepa, matla a khatello a phahama, 'me resistivity e eketseha.
Setšoantšo sa metallographic sa graphite ea siliconized
(karolo e ntšo ke graphite, karolo e bohlooho 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 flexural | > 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 Ho tsitsa ha lik'hemik'hale | 各种盐,有机溶剂,强酸(HF,HCl,H₂SO4,HNO₃) Matsoai a fapa-fapaneng, li-solvents, li-acid tse matla (HF,HCl,H₂SO4,HNO₃) |
长期稳定使用温度 Mocheso oa tšebeliso ea nako e telele o tsitsitseng | 800℃(氧化气氛), 2300℃(惰性或真空气氛) 800 ℃ (sepakapaka se oxidizing), 2300 ℃ (sepakapaka sa inert kapa vacuum) |
电阻率 Motlakase oa ho hanyetsa | 120×10-6Ωm |
Re ikemiselitse ho fumana ho senyeha ha boleng ba tlhahiso le ho fana ka litšebeletso tse molemo ka ho fetisisa ho bareki ba malapeng le ba mose ho maoatle ka pelo eohle bakeng sa Factory source Graphite Crucible for Melting Gold Capacity 1kg 2kg 3kg, Ho ntlafatsa lekala la ho atolosa, re memela ka tieo batho le mekhatlo e nang le takatso e matla hore ba ikopanye le bona. moemeli.
Mohloli oa femeChina Graphite Mold le Graphite, Re lumela ho theha likamano tse ntle tsa bareki le tšebelisano e ntle bakeng sa khoebo. Tšebelisano e haufi le bareki ba rona e re thusitse ho theha liketane tse matla tsa phepelo le ho fumana melemo. Litharollo tsa rona li entse hore re amoheloe hohle le khotsofalo ea bareki ba rona ba bohlokoa lefatšeng ka bophara.