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Chiyambi ndi kugwiritsa ntchito Carbon (pyrolytic graphite) chandamale

Zolinga za graphite zimagawidwa kukhala isostatic graphite ndi pyrolytic graphite. Mkonzi wa RSM adzafotokozera pyrolytic graphite mwatsatanetsatane.

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Pyrolytic graphite ndi mtundu watsopano wa zinthu za carbon. Ndi mpweya wa pyrolytic wokhala ndi mawonekedwe apamwamba a crystalline omwe amayikidwa ndi nthunzi wamankhwala pa matrix a graphite pa 1800 ℃ ~ 2000 ℃ ndi mpweya woyeretsedwa kwambiri wa hydrocarbon pansi pa mphamvu inayake ya ng'anjo. Zili ndi kachulukidwe kakang'ono (2.20g / cm³), chiyero chapamwamba (zonyansa (0.0002%)) ndi anisotropy ya kutentha, magetsi, maginito ndi makina. Mu ndege ya C (kudutsa zigawo zake) imakhala ndi kutsika kwamafuta, kumachita ngati insulator. Mu ndege ya AB (yomwe ili ndi zigawo) imakhala ndi matenthedwe apamwamba kwambiri, omwe amagwira ntchito ngati kondakitala wapamwamba kwambiri. Ma discs athu a pyrolytic graphite ndi ma mbale akupezeka muzinthu zitatu zosiyanasiyana: Substrate Nucleated (PG-SN), Continuous Nucleated (PG-CN), ndi High Conductivity Substrate Nucleated (PG-HT). Zinthu Zosalekeza za Nucleated (PG-CN) zimakhala ndi 15-20% yapamwamba kuposa ya Substrate Nucleated.Pyrolytic carbon yomwe imapangidwa pabedi lamadzimadzi imagwiritsidwa ntchito kwambiri popaka pamwamba pa tinthu tating'onoting'ono ta nyukiliya kuti tipewe kutayikira kwa zinthu za fission. Kuphatikiza apo, amagwiritsidwanso ntchito popanga valavu yapakati ya kaboni, yonyamula, ndi zina zambiri. Pyrolytic graphite yopangidwa ndi bedi yopanda madzi imagwiritsidwa ntchito pakhosi la rocket nozzle, mpira wa diamagnetic pakuwongolera malingaliro a satellite, grid chubu la elekitironi, crucible yosungunulira kwambiri- chitsulo choyera, burashi yamagetsi owongolera, chipinda chotulutsira laser, zinthu zotenthetsera za ng'anjo yotentha kwambiri, pepala la epitaxial la kupanga semiconductor, etc.


Nthawi yotumiza: Dec-14-2022