SiC/SiCIli ndi mphamvu yabwino kwambiri yolimbana ndi kutentha ndipo idzalowa m'malo mwa superalloy pogwiritsira ntchito injini ya aero
Cholinga cha injini zapamwamba za aero-injini ndi chiŵerengero chapamwamba cha thrust-to-weight. Komabe, chifukwa cha kuwonjezeka kwa chiŵerengero cha thrust-to-weight, kutentha kwa turbine inlet kumapitirira kukwera, ndipo dongosolo la superalloy lomwe lilipo n'lovuta kukwaniritsa zofunikira za injini zapamwamba za aero-injini. Mwachitsanzo, kutentha kwa turbine inlet kwa injini zomwe zilipo ndi chiŵerengero cha thrust-to-weight cha level 10 kwafika pa 1500℃, pomwe kutentha kwapakati kwa injini zomwe zili ndi chiŵerengero cha thrust-to-weight cha 12~15 kudzapitirira 1800℃, zomwe ndi zopitirira kutentha kwa superalloys ndi intermetallic compounds.
Pakadali pano, superalloy yochokera ku nickel yokhala ndi kukana kutentha kwambiri imatha kufika pa 1100℃ yokha. Kutentha kwa SiC/SiC kumatha kuwonjezeredwa kufika pa 1650℃, komwe kumaonedwa ngati chinthu chabwino kwambiri chopangira zinthu zotentha za injini ya aero.
Ku Ulaya ndi ku United States ndi mayiko ena otukuka a ndege,SiC/SiCYakhala ikugwiritsidwa ntchito kwambiri komanso kupanga zinthu zambiri m'zigawo zokhazikika za injini za aero, kuphatikizapo M53-2, M88, M88-2, F100, F119, EJ200, F414, F110, F136 ndi mitundu ina ya injini zankhondo/zapachiweniweni; Kugwiritsa ntchito zida zozungulira kudakali mu gawo la chitukuko ndi mayeso. Kafukufuku woyambira ku China adayamba pang'onopang'ono, ndipo pali kusiyana kwakukulu pakati pa izi ndi kafukufuku wogwiritsidwa ntchito ndi uinjiniya m'maiko akunja, koma wapanganso zopambana.
Mu Januwale 2022, mtundu watsopano wa ceramic matrix composite ndi yunivesite ya kumpoto chakumadzulo kwa polytechnical yomwe imagwiritsa ntchito zipangizo zapakhomo popanga diski ya injini ya ndege yodzaza bwino mayeso oyamba oyenda pandege, komanso ndi nthawi yoyamba kuti rotor ya ceramic matrix composite rotor yapakhomo yokhala ndi nsanja yoyesera ndege, komanso kutsatsa zigawo za ceramic matrix composites pa galimoto yopanda munthu (uav)/drone yayikulu igwiritsidwe ntchito.
Nthawi yotumizira: Ogasiti-23-2022