Yuav kom tau raws li qhov xav tau ntawm cov neeg siv khoom, peb txhua txoj haujlwm raug ua raws li peb cov lus hais "Zoo Tshaj, Tus Nqi Sib Tw, Kev Pabcuam Sai" rau 18 Xyoo Hoobkas Graphite Crucible rau Melting thiab Casting Hlau, Peb muaj ntau tshaj 20 xyoo kev paub hauv kev lag luam no, thiab peb cov muag khoom tau kawm zoo. Peb tuaj yeem muab cov lus qhia tshaj lij tshaj plaws rau koj kom tau raws li koj cov khoom xav tau. Yog muaj teeb meem, tuaj rau peb!
Yuav kom ua tau raws li cov neeg siv khoom xav tau zoo tshaj plaws, peb txhua txoj haujlwm raug ua raws li peb lub ntsiab lus "Zoo Tshaj, Tus Nqi Sib Tw, Kev Pabcuam Sai" rauTuam Tshoj Graphite Mould thiab Graphite, Yuav kom txhua tus neeg siv khoom txaus siab rau peb thiab ua tiav kev yeej-yeej, peb yuav txuas ntxiv sim peb qhov zoo tshaj plaws los pab thiab ua rau koj txaus siab! Ua tsaug rau kev koom tes nrog ntau tus neeg siv khoom txawv teb chaws raws li kev sib pab thiab kev lag luam zoo yav tom ntej. Ua tsaug.
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.
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 |
Yuav kom tau raws li qhov xav tau ntawm cov neeg siv khoom, peb txhua txoj haujlwm raug ua raws li peb cov lus hais "Zoo Tshaj, Tus Nqi Sib Tw, Kev Pabcuam Sai" rau 18 Xyoo Hoobkas Graphite Crucible rau Melting thiab Casting Hlau, Peb muaj ntau tshaj 20 xyoo kev paub hauv kev lag luam no, thiab peb cov muag khoom tau kawm zoo. Peb tuaj yeem muab cov lus qhia tshaj lij tshaj plaws rau koj kom tau raws li koj cov khoom xav tau. Yog muaj teeb meem, tuaj rau peb!
18 Xyoo HoobkasTuam Tshoj Graphite Mould thiab Graphite, Yuav kom txhua tus neeg siv khoom txaus siab rau peb thiab ua tiav kev yeej-yeej, peb yuav txuas ntxiv sim peb qhov zoo tshaj plaws los pab thiab ua rau koj txaus siab! Ua tsaug rau kev koom tes nrog ntau tus neeg siv khoom txawv teb chaws raws li kev sib pab thiab kev lag luam zoo yav tom ntej. Ua tsaug.
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