Peb zoo siab rau cov neeg siv khoom zoo tshaj plaws thiab kev lees txais dav vim peb qhov kev mob siab rau sab saum toj ntawm ntau yam ntawm ob qho tib si ntawm cov khoom muag thiab kev pabcuam rau Zoo Zoo Refractory Alumina / Ceramic / Carbon Sulfur / Graphite / Clay Melting Crucible, Peb lub hom phiaj tseem ceeb yog muab peb cov neeg yuav khoom thoob ntiaj teb nrog cov khoom lag luam zoo, tus nqi sib tw, kev xa khoom zoo siab thiab kev daws teeb meem tshwj xeeb.
Peb txaus siab rau cov neeg siv khoom zoo tshaj plaws thiab kev lees txais dav vim peb pheej nrhiav kev sab saum toj ntawm ob qho tib si ntawm cov khoom muag thiab kev pabcuam rauTuam Tshoj Crucible thiab Ceramic Crucible, Peb tab tom yuav pib theem ob ntawm peb txoj kev txhim kho. Peb lub tuam txhab suav nrog "tus nqi tsim nyog, sijhawm ntau lawm thiab kev pab cuam tom qab muag zoo" raws li peb txoj cai. Yog tias koj txaus siab rau ib qho ntawm peb cov kev daws teeb meem lossis xav tham txog kev txiav txim siab, nco ntsoov tiv tauj peb. Peb tau tos ntsoov rau kev tsim kev lag luam kev sib raug zoo nrog cov neeg siv khoom tshiab thoob ntiaj teb nyob rau yav tom ntej.
Siliconized graphite yog cov khoom sib xyaw uas silicon carbide txuas rau saum npoo ntawm graphite substrate. Nws muaj cov yam ntxwv ntawm siab hardness, siab mechanical zog thiab hnav tsis kam ntawm silicon carbide, nrog rau nws tus kheej-lubricating zog thiab thermal shock kuj ntawm graphite. Nws yog ib qho zoo tagnrho cov ntaub ntawv sib txhuam thiab cov khoom siv foob, haum rau kev sib khi ntawm ntau yam twj tso kua mis, roj twj, tshuaj twj, thiab bearings ntawm ntau yam high-ceev thiab high-load lub ntsiab twj. Tsis tas li ntawd, siliconized graphite muaj qhov zoo oxidation tsis kam, thermal poob siab tsis kam, porosity tsawg, thiab qee yam hluav taws xob conductivity, thiab tuaj yeem siv los ua cov ntaub ntawv xws li hlau smelting crucibles thiab cov hlab ntsha.
Cov muaj pes tsawg leeg ntawm siliconized graphite yog ib yam, qhov saum npoo yog zoo ib yam nrog rau sab hauv, thiab muaj pes tsawg leeg ntawm silicon carbide thiab graphite yog adjustable. Qhov siab dua cov ntsiab lus ntawm silicon carbide, qhov ntau dua qhov ntom ntawm cov khoom, qhov siab dua lub zog compressive, thiab cov resistivity nce.
Metallographic duab ntawm siliconized graphite
(qhov dub yog graphite, qhov grey yog silicon carbide, thiab qhov dawb yog silicon)
硅化石墨主要技术指标 | |
类别 Yam khoom | 指标 Tus nqi |
密度 Ceev | 2.4-2.9g / cm³ |
Cov porosity | <0.5% |
抗压强度 Compressive zog | > 400MPa |
Flexural zog Flexural zog | > 120MPa |
Thermal conductivity | 120 W/mK |
Thermal expansion coefficient | 4.5 × 10-6 |
Elastic modulus | 120 GP ua |
冲击强度 Impact zog | 1.9 KJ/m² |
Dej lubricated kev sib txhuam | 0.005 ib |
Kev sib txhuam coefficient ntawm qhuav qhuav | 0.05 Nws |
化学稳定性 Tshuaj stability | 各种盐,有机溶剂,强酸(HF, HCl, H₂SO)4HNO ₃) Ntau cov ntsev, cov kuab tshuaj organic, muaj zog acids (HF, HCl, H₂SO4HNO ₃) |
长期稳定使用温度 Lub sij hawm ntev ruaj khov siv kub | 800 ℃ (氧化气氛), 2300 ℃ (惰性或真空气氛) 800 ℃ (oxidizing cua), 2300 ℃ (inert lossis nqus cua) |
Hluav taws xob resistivity | 120 × 10-6Ωm |
Peb zoo siab rau cov neeg siv khoom zoo tshaj plaws thiab kev lees txais dav vim peb qhov kev mob siab rau sab saum toj ntawm ntau yam ntawm ob qho tib si ntawm cov khoom muag thiab kev pabcuam rau Zoo Zoo Refractory Alumina / Ceramic / Carbon Sulfur / Graphite / Clay Melting Crucible, Peb lub hom phiaj tseem ceeb yog muab peb cov neeg yuav khoom thoob ntiaj teb nrog cov khoom lag luam zoo, tus nqi sib tw, kev xa khoom zoo siab thiab kev daws teeb meem tshwj xeeb.
Zoo zooTuam Tshoj Crucible thiab Ceramic Crucible, Peb tab tom yuav pib theem ob ntawm peb txoj kev txhim kho. Peb lub tuam txhab suav nrog "tus nqi tsim nyog, sijhawm ntau lawm thiab kev pab cuam tom qab muag zoo" raws li peb txoj cai. Yog tias koj txaus siab rau ib qho ntawm peb cov kev daws teeb meem lossis xav tham txog kev txiav txim siab, nco ntsoov tiv tauj peb. Peb tau tos ntsoov rau kev tsim kev lag luam kev sib raug zoo nrog cov neeg siv khoom tshiab thoob ntiaj teb nyob rau yav tom ntej.