Titanium alloy rods muaj qhov zoo ntawm lub zog siab, tsis tshua muaj ntom, zoo txhua yam khoom, zoo toughness, corrosion kuj thiab lwm yam. Tsis tas li ntawd, titanium alloy bar muaj cov txheej txheem tsis zoo, kev txiav nyuaj, yooj yim nqus ntawm hydrogen, oxygen, nitrogen, carbon thiab lwm yam impurities thaum lub sij hawm thermal ua, tsis zoo hnav tsis kam, thiab cov txheej txheem ntau lawm. Kev tsim khoom ntawm titanium pib hauv xyoo 1948. Txhawm rau ua kom tau raws li qhov xav tau ntawm kev tsim kho kev lag luam aviation, kev lag luam titanium yog tsim los ntawm qhov nruab nrab txhua xyoo ntawm kwv yees li 8%. Tam sim no, txhua xyoo tso zis ntawm tag nrho cov titanium alloy bar manufacturers ua cov ntaub ntawv tau mus txog ntau tshaj 40, 000 tons, titanium alloy bar hom ze li ntawm 30. Widely siv titanium alloy tuav yog Ti-6Al{{6 }}V (TC4), Ti-5Al-2.5Sn (TA7) thiab muaj titanium ntshiab (TA1, TA2 thiab TA3).
(1) Lub zog siab ntawm titanium alloy tuav
Titanium alloy ceev tuaj yeem txheeb xyuas feem ntau hauv 4.5g / cm3 lossis li ntawd, tsuas yog 60% ntawm cov hlau, lub zog ntshiab titanium tsuas yog nyob ze rau lub zog ntawm peb lub lag luam zoo tib yam steel, qee qhov teeb meem nrog lub zog siab thiab titanium alloys tshaj qhov kev loj hlob. ntawm ntau yam kev tshawb fawb alloy structural steel zog. Yog li ntawd, titanium alloy tshwj xeeb lub zog (lub zog / ntom) yog ntau dua li lwm cov hlau tsim qauv tsim cov ntaub ntawv, tuaj yeem tsim lub zog ua haujlwm siab, zoo rigidity, lub teeb yuag qhov chaw. Tam sim no rau peb lub cav dav hlau ua haujlwm feem ntau yog los ntawm cov khoom siv, pob txha, tawv nqaij, fasteners thiab tsaws iav, thiab lwm yam yog siv hauv Suav teb tsoos titanium alloy.
(2) Titanium alloy rods muaj thermal zog.
Kev siv qhov kub thiab txias tshaj li cov aluminium alloy yog ob peb puas degrees siab dua, tuaj yeem tswj tau ntawm qhov nruab nrab kub lub zog yuav tsum tau, hauv 450 ー 500 degree c lub sijhawm ua haujlwm ntev, lub zog tshwj xeeb hauv thaj tsam ntawm 150 ~ 500 degree c tseem siab heev, lub zog tshwj xeeb ntawm aluminium alloy hauv 150 degree c poob, titanium alloy tuaj yeem ncav cuag 500 degree c, aluminium alloy ua haujlwm kub hauv 200 degree c hauv qab no.
(3) Titanium alloy bar corrosion kuj zoo
Titanium alloy corrosion kuj nyob rau hauv cov huab cua ntub thiab dej hiav txwv yog qhov zoo dua li cov hlau tsis muaj steel, nrog kev ua haujlwm zoo rau alkali, chlorine, chlorine, nitric acid, sulfuric acid thiab lwm yam corrosive zog. Txawm li cas los xij, titanium muaj kev tiv thaiv tsis zoo los txo cov pa oxygen thiab chromate media.
(4) Titanium alloy bar qis-kub kev ua tau zoo yog qhov zoo
Cov khoom siv ntawm titanium alloy tuaj yeem khaws cia ntawm qhov kub thiab txias. Kev ua tau zoo ntawm qhov kub thiab txias, kev tshem tawm rau kev tsim cov titanium alloys nrog cov ntsiab lus tsawg heev, xws li TA7, ntawm -253 degree kuj tuaj yeem tswj hwm los ntawm lawv tus kheej kev lag luam nrog qee qib ntawm plasticity. Yog li ntawd, titanium alloy kuj tau tsim los ua cov khoom tseem ceeb rau cov khoom siv hluav taws xob tsawg.
