SiC/SiCyana da kyakkyawan juriya na zafi kuma zai maye gurbin superalloy a cikin aikace-aikacen injin-aero
Matsakaicin matsawa-zuwa nauyi shine burin injunan ci-gaba. Koyaya, tare da haɓakar juzu'i-zuwa-nauyi, zafin shigar injin turbine yana ci gaba da ƙaruwa, kuma tsarin kayan superalloy ɗin da ke akwai yana da wahala don biyan buƙatun injunan injunan ci gaba. Alal misali, da turbine mashigai zafin jiki na data kasance injuna tare da tura-to-nauyi rabo na matakin 10 ya kai 1500 ℃, yayin da matsakaita mashigai zafin jiki na injuna da tura-to-nauyi rabo na 12 ~ 15 zai wuce 1800 ℃, wanda shi ne. nisa fiye da zafin sabis na superalloys da mahaɗan intermetallic.
A halin yanzu, superalloy na tushen nickel tare da mafi kyawun juriya na zafi zai iya kaiwa kusan 1100 ℃. Za a iya ƙara yawan zafin jiki na SiC / SiC zuwa 1650 ℃, wanda aka yi la'akari da shi azaman mafi kyawun kayan aikin injin zafi mai zafi.
A kasashen Turai da Amurka da sauran kasashen da suka ci gaba a harkar sufurin jiragen sama.SiC/SiCya kasance aikace-aikace mai amfani da kuma samar da taro a cikin sassan da ke tsaye na injiniya, ciki har da M53-2, M88, M88-2, F100, F119, EJ200, F414, F110, F136 da sauran nau'o'in soja / farar hula; Aikace-aikacen sassa masu juyawa har yanzu yana cikin mataki na ci gaba da gwaji. An fara gudanar da bincike na asali a kasar Sin sannu a hankali, kuma akwai gibi mai yawa tsakaninsa da injiniyoyin da aka yi amfani da su wajen bincike a kasashen waje, amma kuma an samu nasarori.
A cikin Janairu 2022, sabon nau'in yumbu matrix composite shine ta jami'ar polytechnical arewa maso yamma ta amfani da kayan cikin gida don kera injin injin injin jirgin sama gabaɗayan nasarar gwajin jirgi na farko, kuma shine karo na farko da yumbu matrix composite rotor sanye da jirgin sama. dandamalin gwaji, amma kuma don haɓaka abubuwan haɗin yumbu matrix akan babban abin hawa mara matuki (uav)/drone.
Lokacin aikawa: Agusta-23-2022