Oct 27, 2023 Tso lus

Txoj kev loj hlob ntawm titanium alloy cov ntaub ntawv rau domestic aviation

1) Kub kub titanium alloy: Ti-60 alloy yog 600 degree siab kub titanium alloy ntawm nws tus kheej tsim nyob rau hauv Suav teb. Cov alloy yog ua raws li TAl2 (Ti-55) alloy ntxiv cov ntsiab lus tsim nyog ntawm Al, Sn, Si, thiaj li ua kom cov hlau zoo dua thermal stability, kub creep kev ua tau zoo thiab kub oxidation kuj.

2) High-strength structural titanium alloy: Tuam Tshoj nws tus kheej tsim ib tug xov tooj ntawm high-strength structural titanium alloys nyob rau hauv lub 1970s mus rau 1990s. Lub zog ntawm cov titanium alloys tuaj yeem ncav cuag qib ntawm 1100-1300MPa. Thaum pib ntawm lub xyoo pua 21st, muaj ob tus neeg sawv cev -titanium alloys: ① ze li ntawm -titanium Ti-B18, lub zog tensile tuaj yeem ncav cuag 1150 ~ 1350MPa; ② Metastable titanium alloy Ti-B20, tensile zog mus txog 1200 ~ 1600MPa.

3) nplaim retardant titanium alloy: Ntau xyoo, Tuam Tshoj tau ua qhov kev tshawb fawb tob hauv cov nplaim hluav taws kub retardant titanium alloy, xa mus rau AlloyC alloy, feem tsim Ti-V-Cr-Al, Ti-Mo-Cr-Al, Ti-Mo -V-Cr-Al3 series ntawm nplaim hluav taws retardant titanium alloy, thiab kev siv lub computer simulation txhais tau hais tias los kawm txog cov txheej txheem tiv thaiv combustion. Tsis tas li ntawd, TF1 (Ti-V-Cr-C series) thiab TF2 (Ti-Cu series) nplaim retardant titanium alloys tau tsim los tom qab kev soj ntsuam ntawm cov tshuab sib txawv ntawm Tebchaws Meskas, Tebchaws Askiv thiab Russia. Ti-40 (Ti-V-Cr-Si) alloy yog hom nplaim hluav taws kub retardant titanium alloy ntawm nws tus kheej tsim nyob rau hauv Suav teb. Piv nrog cov pa titanium alloys, Ti-40 alloy muaj cov nplaim hluav taws zoo heev thiab cov khoom siv kho tshuab. Tam sim no, cov kev tshawb fawb alloy tau tsim los ntawm lub chaw soj nstuam mus rau ib nrab kev lag luam nplai, thiab muaj peev xwm npaj TI40-tuj ingot, loj-loj bar thiab nplhaib forgings.

Vim qhov pib lig ntawm kev lag luam hauv kev lag luam aviation, tus nqi ntawm titanium thiab titanium alloy cov ntaub ntawv nyob rau hauv Tuam Tshoj lub aviation teb tsis loj, qhov feem ntawm titanium cov ntaub ntawv siv nyob rau hauv lub aviation teb yog tsawg tshaj li 20%, nyob rau hauv lub ntiaj teb no nruab nrab theem. txog li 50%, thiab tseem muaj qhov sib txawv loj piv nrog cov teb chaws tsim hauv kev lag luam titanium: Ua ntej, high-end titanium alloy cov khoom tseem yog raws li kev coj ua, qib ntawm cov khoom siv kev loj hlob yog tsawg, daim ntawv thov ntau nqaim, thiab kev txhim kho ntawm kev ua tau zoo thiab cov nqi qis titanium alloys feem ntau yog nyob rau hauv chav kuaj; Qhov thib ob, qhov zoo ntawm metallurgy yog tsis ruaj khov, tsawg ntau yam, tsis tiav specifications; Thib peb, kev tshawb fawb kev nce qib ntawm kev txhawb nqa thev naus laus zis yog qeeb, thiab nws tus kheej tsim cov khoom siv titanium alloy yuav tsum tau txhim kho.

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