Nā kahua noi o SiC/SiC

SiC/SiCHe kūpaʻa wela maikaʻi loa a e hoʻololi i ka superalloy i ka noi o ka aero-engine

ʻO ka ratio kiʻekiʻe thrust-to-weight ka pahuhopu o nā aero-engines kiʻekiʻe. Eia nō naʻe, me ka piʻi ʻana o ka ratio thrust-to-weight, piʻi mau ka wela o ka turbine inlet, a paʻakikī ka ʻōnaehana superalloy i kēia manawa e hoʻokō i nā koi o nā aero-engines holomua. No ka laʻana, ʻo ka turbine inlet wela o nā ʻenekini i kēia manawa me ka lākiō thrust-to-weight o ka pae 10 ua hiki i 1500 ℃, ʻoiai ka awelika inlet wela o nā mīkini me ka thrust-to-weight ratio o 12 ~ 15 e ʻoi aku ma mua o 1800 ℃, kahi mamao loa ma mua o ka mahana lawelawe o nā superalloys a me nā pūhui intermetallic.

I kēia manawa, hiki i ka nickel-based superalloy me ke kūpaʻa wela maikaʻi loa ke hiki wale i kahi 1100 ℃. Hiki ke hoʻonui ʻia ka mahana lawelawe o SiC / SiC i 1650 ℃, i manaʻo ʻia ʻo ia ka mea ʻoi loa ka mea hoʻolālā wela wela aero-engine.

Ma ʻEulopa a me ʻAmelika Hui Pū ʻIa a me nā ʻāina hoʻomohala ʻē aʻe,SiC/SiCua hoʻohana pono a me ka hana nui ʻana i nā ʻāpana aero-engine, me M53-2, M88, M88-2, F100, F119, EJ200, F414, F110, F136 a me nā ʻano ʻē aʻe o ka pūʻali koa / civil aero-engines; ʻO ka hoʻohana ʻana i nā ʻāpana rotating aia nō i ka pae o ka hoʻomohala ʻana a me ka hoʻāʻo. Ua hoʻomaka mālie ka noiʻi kumu ma Kina, a aia kahi ʻāpana nui ma waena o ia a me ka noiʻi noiʻi noiʻi ma nā ʻāina ʻē, akā ua loaʻa pū kekahi i nā mea i hoʻokō.

I Ianuali 2022, he ʻano hou o ka ceramic matrix composite ma ke komohana ʻākau loa o ke kulanui polytechnical e hoʻohana ana i nā mea hale no ke kūkulu ʻana i ka mokulele engine turbine disc i ka hoʻokō kūleʻa ʻana o ka hoʻāʻo lele mua, ʻo ia ka manawa mua o ka home ceramic matrix composite rotor i hoʻolako ʻia me ka lewa lele hoʻāʻo anuu, akā no ka hoʻolaha ʻana i ka ceramic matrix composites nā ʻāpana ma ke kaʻa nui-ʻole.