Peb txaus siab rau qhov kev txaus siab ntawm cov neeg siv khoom zoo tshaj plaws thiab kev lees txais dav vim peb txoj kev nrhiav kev zoo tshaj plaws ntawm ob qho tib si ntawm cov khoom lag luam thiab kev pabcuam rau Zoo zoo Refractory Alumina /Ceramic /Carbon Sulfur /Graphite /Clay Melting Crucible, Peb lub hom phiaj tseem ceeb yog muab rau peb cov neeg yuav khoom thoob ntiaj teb nrog kev zoo, kev sib tw nqi, kev xa khoom zoo siab thiab cov kev daws teeb meem zoo.
Peb txaus siab rau qhov kev txaus siab ntawm cov neeg siv khoom zoo tshaj plaws thiab kev lees txais dav dav vim peb txoj kev nrhiav kev zoo tshaj plaws ntawm cov khoom lag luam thiab kev pabcuam rauTuam Tshoj Crucible thiab Ceramic Crucible, Peb tab tom yuav pib theem ob ntawm peb txoj kev npaj txhim kho. Peb lub tuam txhab suav hais tias "tus nqi tsim nyog, lub sijhawm tsim khoom zoo thiab kev pabcuam tom qab muag zoo" ua peb lub hauv paus. Yog tias koj xav paub txog peb cov kev daws teeb meem lossis xav tham txog kev txiav txim siab, nco ntsoov tiv tauj peb. Peb tau tos ntsoov yuav tsim kev sib raug zoo ua lag luam nrog cov neeg siv khoom tshiab thoob plaws ntiaj teb yav tom ntej.
Siliconized graphite yog ib yam khoom sib xyaw uas silicon carbide txuas rau ntawm qhov chaw ntawm graphite substrate. Nws muaj cov yam ntxwv ntawm kev tawv siab, lub zog siab thiab kev tiv taus hnav ntawm silicon carbide, nrog rau cov yam ntxwv ntawm tus kheej-lubricating thiab thermal shock tsis kam ntawm graphite. Nws yog cov ntaub ntawv sib txhuam zoo tagnrho thiab cov ntaub ntawv foob kho tshuab, tsim nyog rau kev sib khi tshuab ntawm ntau yam twj tso kua dej, twj tso kua roj, twj tso kua tshuaj, thiab cov kabmob ntawm ntau yam twj tso kua dej ceev thiab siab-load tseem ceeb. Tsis tas li ntawd, siliconized graphite muaj kev tiv taus oxidation zoo, thermal shock tsis kam, porosity qis, thiab qee qhov kev coj hluav taws xob, thiab tuaj yeem siv ua cov ntaub ntawv xws li hlau smelting crucibles thiab cov kav dej.
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Cov khoom sib xyaw ua ke ntawm siliconized graphite yog sib xws, qhov saum npoo yog sib xws nrog sab hauv, thiab qhov sib piv ntawm silicon carbide thiab graphite tuaj yeem hloov kho tau. Cov ntsiab lus ntawm silicon carbide ntau dua, qhov ceev ntawm cov khoom siv ntau dua, lub zog compressive siab dua, thiab qhov resistivity nce ntxiv.
Daim duab metallographic 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 Lub zog flexural | >120MPa |
| Thermal conductivity | 120W/mK |
| Thermal expansion coefficient | 4.5 × 10-6 |
| Elastic modulus | 120GPa |
| 冲击强度 Impact zog | 1.9KJ/m² |
| Dej lubricated kev sib txhuam | 0.005 |
| Kev sib txhuam txhuam coefficient | 0.05 |
| 化学稳定性 Kev ruaj khov tshuaj lom neeg | 各种盐,有机溶剂,强酸(HF, HCl, H₂SO)4,HNO₃) Ntau yam ntsev, cov organic solvents, cov kua qaub muaj zog (HF, HCl, H₂SO4)4,HNO₃) |
| 长期稳定使用温度 Kub siv ntev ntev | 800 ℃ (氧化气氛), 2300 ℃ (惰性或真空气氛) 800 ℃ (cua oxidizing), 2300 ℃ (inert lossis nqus tsev) |
| Hluav taws xob resistivity | 120 × 10-6Ωm |
Peb txaus siab rau qhov kev txaus siab ntawm cov neeg siv khoom zoo tshaj plaws thiab kev lees txais dav vim peb txoj kev nrhiav kev zoo tshaj plaws ntawm ob qho tib si ntawm cov khoom lag luam thiab kev pabcuam rau Zoo zoo Refractory Alumina /Ceramic /Carbon Sulfur /Graphite /Clay Melting Crucible, Peb lub hom phiaj tseem ceeb yog muab rau peb cov neeg yuav khoom thoob ntiaj teb nrog kev zoo, kev sib tw nqi, kev xa khoom zoo siab thiab cov kev daws teeb meem zoo.
Zoo zooTuam Tshoj Crucible thiab Ceramic Crucible, Peb tab tom yuav pib theem ob ntawm peb txoj kev npaj txhim kho. Peb lub tuam txhab suav hais tias "tus nqi tsim nyog, lub sijhawm tsim khoom zoo thiab kev pabcuam tom qab muag zoo" ua peb lub hauv paus. Yog tias koj xav paub txog peb cov kev daws teeb meem lossis xav tham txog kev txiav txim siab, nco ntsoov tiv tauj peb. Peb tau tos ntsoov yuav tsim kev sib raug zoo ua lag luam nrog cov neeg siv khoom tshiab thoob plaws ntiaj teb yav tom ntej.
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