Hoseng ha 17th, lefapha la lifofane la A-share le ile la tsoela pele ka mokhoa o matla, le Hangfa Technology le Longxi Shares li otla moeli oa letsatsi le letsatsi, 'me Hangya Technology e nyoloha ho feta 10%. Mocheso oa ketane ea indasteri o ile oa tsoela pele ho phahama. Ka morao ho mokhoa ona oa 'maraka, tlaleho ea lipatlisiso e sa tsoa lokolloa ke Tianfeng Securities e fetohile ntlha ea bohlokoa ea bohlokoa. Tlaleho ea lipatlisiso e bontša hore indasteri ea lifofane tsa khoebo ea Chaena (COMAC) le enjene ea khoebo (COMAC) li kenya letsoho menyetla ea histori ea tsoelo-pele. Ho latela likhakanyo, tlhoko ea lienjineri tse ncha tsa khoebo 'marakeng oa lehae e ka feta lidolara tse limilione tse likete tse 600 ho tloha 2023 ho isa 2042, ka boholo ba 'maraka ba selemo le selemo bo fetang li-yuan tse limilione tse likete tse 200.

Polelo ena e amana haufi-ufi le mokhoa oa ho phahamisa matla a tlhahiso le ts'ebetso ea phepelo ea lehae ea lifofane tse kholo tse hlahisoang ka har'a naha C919 le C929. Ke habohlokoa ho hlokomela hore ho phaella ho likhoebo tse tloaelehileng tsa ho etsa lifofane, bafani ba thepa e kang titanium, aluminium le koporo lefapheng la tšepe le se nang ferrous le bona ba bontša mokhoa o sebetsang. Ho potlakisa ho ikemetseng le ho laolehang ha letoto la khoebo ea lifofane tsa khoebo, hammoho le ts'ebetso ea maano a moruo a boemo bo tlase, e hlophisa bocha boleng ba leano la lisebelisoa tsa bohlokoa tsa tšepe 'marakeng.

Titanium alloy: mokokotlo oa lifofane tse kholo tsa lapeng

E le lisebelisoa tse bobebe tsa mantlha bakeng sa lisebelisoa tsa sefofane, alloy ea titanium e etsa karolo ea 9.3% ea sebopeho sa 'mele oa C919, e phahame haholo ho feta ea Boeing 737. Ka katoloso e potlakileng ea matla a tlhahiso ea lifofane tse khōlō tsa malapeng, tlhokahalo ea thepa ea titanium e nang le yuniti e le' ngoe ea lithane tse ka bang 3.92 e tla hlahisa 'maraka o moholo oa ho eketseha. Baotai Co., Ltd., e le mofani oa mantlha oa thepa ea titanium, e kentse letsoho ka botebo tlhahisong ea likarolo tsa bohlokoa tse kang liforeimi tsa fuselage le mehala ea enjene. Theknoloji ea karolo ea 3D ea khatiso ea titanium alloy e entsoeng ke Western Superconductor e ka fokotsa boima ba mehaho haholo 'me butle-butle e sebelisoa ho etsoa ha likoloi tsa sefofane tse sa sebetsoeng le eVTOL (likoloi tsa motlakase tse otlolohileng le tse theohang).

Motsoako oa aluminium: enjene e bobebe bakeng sa moruo o tlase oa bophahamo
Lefapheng la moruo o tlase, alloy ea aluminium e nka halofo ea thepa ea sebopeho sa sefofane. Matla a phahameng a aluminium alloy a etsa karolo e fetang 60% ea fuselage le likarolo tsa mapheo tse fanoeng ke AVIC Xifei bakeng sa C919. Letlapa la aluminium alloy ea boemo ba sefofane le ntlafalitsoeng ke Indasteri ea Nanshan Aluminium le netefalitsoe ke COMAC mme la sebelisoa ho letlalo la fuselage la C919, le phahame haholo ho feta liprofaele tsa setso tsa aluminium tsa indasteri. Ho ea ka likhakanyo, tlhoko ea selemo le selemo ea aluminium ea thepa ea bophahamo bo tlase ea China e lebelletsoe ho feta lithane tse 500000 ka 2030, ha eVTOL liforeimi tsohle tsa aluminium fuselage le linyeoe tsa betri tse bobebe e bang tsona lintlha tse kholo tsa kholo.

Copper zinc synergy: tiisetso e habeli ea motlakase le anti-corrosion
Boleng bo patehileng ba koporo mekhoeng ea motlakase ea lifofane bo ntse bo tsoela pele ho lokolloa. Lihlahisoang tsa sehokelo sa AVIC Optoelectronics, koporo e hloekileng haholo e etsa 70%, mme mohala o sa tsoa hahuoa setsing sa eona sa Lingang o tla fihlela tlhoko ea li-alloys tsa koporo tsa boemo ba sefofane tse nang le boleng ba selemo le selemo ba li-yuan tse limilione tse likete tse 3. Li-alloys tse thehiloeng ho zinki li bonts'a melemo ea ts'ebeliso e ntle ea litšenyehelo ho li-anti-corrosion tsa lifofane le tlhahiso ea likarolo. Hongdu Airlines e sebelisa mahlale a hot-dip galvanizing ho phekola likarolo tsa lisebelisoa tsa ho lulisa, tse eketsang bophelo ba anti-corrosion ka makhetlo a fetang a mararo le ho fokotsa litšenyehelo ka 40% ha ho bapisoa le litharollo tse tsoang kantle ho naha. Moralo oa lehae oa lisebelisoa tsa sefofane tsa zinki alloy alloy tse ntlafalitsoeng ke Runbei Hangke o fetisitse setifikeiti sa phepelo ea COMAC.

Likotsi le Menyetla: Mathata a Ntlafatso ea Indasteri Lefapheng la Thepa
Ho sa tsotellehe sebaka se seholo sa 'maraka, mathata a theknoloji ea thepa ea boleng bo phahameng a ntse a le teng. Sekhahla sa tlhahiso ea mocheso o phahameng oa alloy ea Hangfa Technology tlhahisong ea lehare la enjene ke 65% feela, e leng tlase ho boemo ba machabeng. Boemong ba leano, Leano la Phethahatso bakeng sa Likopo tse Ncha tsa Thepa e Akaretsang ea Lifofane ka ho hlaka le fana ka maikutlo a ho fihlela sekhahla sa sebaka sa ho feta 90% bakeng sa lisebelisoa tsa aluminium tsa boemo ba sefofane le lialloi tsa titanium ka 2026, e tla fana ka fensetere ea katleho ea theknoloji bakeng sa likhoebo tse kang Baotai Group le Western Superconductor. Ho latela lipalo tsa setheo, sekhahla sa kholo ea kholo ea selemo le selemo ea 'maraka oa lisebelisoa tsa tšepe tse se nang ferrous lilemong tse tharo tse tlang e tla fihla ho 25%,' me likhoebo tse nang le bokhoni bo felletseng ba ts'ebetso ea theknoloji li lebelletsoe ho rua molemo molemong oa pele oa phano ea lehae.