Niobium Silicide, NbSi2

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Niobium Silicide, NbSi2

Niobium silicide composite binary alloy matrix composite ndichinthu chodalirika chotentha kwambiri. Mu gawo ili lawiri, yankho la niobium limapereka kulimba kwa firiji pomwe si2nb imapereka mphamvu yotentha kwambiri. Gulu lili ndi kukhazikika kwapakatikati ka thermodynamic komanso kukhazikika kwazinthu zazing'ono pamatenthedwe otentha.


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Dzina Lachi China: niobium silicide
Dzina Lachi China: niobium disilicide / Niobium disaliticide
Zolemba za Chingerezi: niobium silicide (NbSi2); niobium silicide; kulemala kwa niobium
CAS: 12034-80-9
EINECS: 234-812-3
Njira ya maselo: NbSi2
Kulemera kwa maselo: 149.0774
Kusintha kwa zinthu zamagetsi
Limatsogolera mfundo: 1940 ℃

1. Niobium silicide gulu bayinare aloyi masanjidwewo gulu ndi zingamuthandize mkulu-kutentha structural zakuthupi. Mu gawo ili lawiri, yankho la niobium limapereka kulimba kwa firiji pomwe si2nb imapereka mphamvu yotentha kwambiri. Gulu lili ndi kukhazikika kwapakatikati ka thermodynamic komanso kukhazikika kwazinthu zazing'ono pamatenthedwe otentha.
2. Chotengera cha NbSi2 chokhazikika chimasungunuka kwambiri, kachulukidwe kotsika komanso zinthu zabwino kwambiri. Kutentha kwake komwe kumatumikira ndi 200-300 ℃ kuposa kuposa Ni yochokera ku superalloy. Zikuyembekezeka kugwiritsidwa ntchito pamakina amagetsi opangira mafuta opangira 1300-1500 ℃ ndi mathero otentha a injini yamagalimoto yama scramjet.
3. Lingaliro la kafukufuku ndi chitukuko cha NbSi2 based superalloy ndikupanga njira yothetsera niobium yolimba / Nb5Si3 gawo limodzi lokhala ndi gawo powonjezera ductile njira yolimba yothetsera, yomwe imatha kukonza kulimba kwa kutentha kwanyumba ndikukhalabe ndi kutentha kwambiri.


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