Nā kahua noi o SiC/SiC

SiC/SiChe kūpaʻa wela maikaʻi loa a e pani i ka superalloy i ka hoʻohana ʻana o ka aero-engine

ʻO ka lakio kiʻekiʻe o ka thrust-to-weight ka pahuhopu o nā ʻenekini aero holomua. Eia nō naʻe, me ka piʻi ʻana o ka lakio thrust-to-weight, ke piʻi mau nei ka mahana o ka turbine inlet, a ua paʻakikī ka ʻōnaehana mea superalloy e hoʻokō i nā koi o nā ʻenekini aero holomua. No ka laʻana, ua hiki ka mahana o ka turbine inlet o nā ʻenekini e kū nei me ka lakio thrust-to-weight o ka pae 10 i 1500 ℃, ʻoiai ʻo ka awelika o ka mahana inlet o nā ʻenekini me ka lakio thrust-to-weight o 12 ~ 15 e ʻoi aku ma mua o 1800 ℃, ʻoi aku ka mamao ma mua o ka mahana lawelawe o nā superalloys a me nā hui intermetallic.

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

Ma ʻEulopa a me ʻAmelika Hui Pū ʻIa a me nā ʻāina ʻē aʻe i hoʻomohala ʻia no ka mokulele,SiC/SiCua hoʻohana pono ʻia a hana nui ʻia i nā ʻāpana paʻa o ka ʻenekini aero, me M53-2, M88, M88-2, F100, F119, EJ200, F414, F110, F136 a me nā ʻano ʻē aʻe o nā ʻenekini aero koa/kīwila; Aia nō ke kahua o ka hoʻomohala ʻana a me ka hoʻāʻo ʻana i ka hoʻohana ʻana i nā ʻāpana wili. Ua hoʻomaka mālie ka noiʻi kumu ma Kina, a aia kahi kaawale nui ma waena o ia a me ka noiʻi ʻenekinia i hoʻopili ʻia ma nā ʻāina ʻē, akā ua hoʻokō pū kekahi.

I Ianuali 2022, ua hoʻohana ʻia kahi ʻano hou o ka composite matrix ceramic e ke Kulanui Polytechnical Northwest e kūkulu i ka mīkini mokulele turbine disc holoʻokoʻa i ka hoʻopau pono ʻana i ka hoʻāʻo lele mua, ʻo ia hoʻi ka manawa mua i hoʻolako ʻia ai kahi rotor composite matrix ceramic kūloko me kahi kahua hoʻāʻo lele ea, akā e hoʻolaha pū i nā ʻāpana composite matrix ceramic ma ka noi nui o ka unmanned aerial vehicle (UAV)/drone.