Qhov sib txawv ntawm TC4 thiab TC4ELI titanium alloys

TC4 titanium alloy
TC4 titanium alloy yog ib hom titanium alloy ntse tsim los ntawm Tebchaws Meskas hauv xyoo 1954, muaj 6% ntawm cov khoom ruaj khov thiab 4% ntawm cov khoom ruaj khov V. Cov nominal muaj pes tsawg leeg ntawm TC4 titanium alloy muaj ib qho txhuas sib npaug ntawm 6.{{7} }, ib qho vanadium sib npaug ntawm 4.0, thiab lub xeev annealed uas muaj 10% -15% ntawm -phase. Al yog ntxiv dag zog los ntawm cov khoom siv ntxiv dag zog ntawm -phase hauv Ti-Al-V system txhawm rau ua kom cov hlau nyob hauv chav kub thiab txias zog, thiab V yog ib qho ntawm ob peb cov ntsiab lus alloying hauv titanium alloys uas tuaj yeem ua kom muaj zog thiab txhim kho plasticity. V yog ib qho ntawm ob peb lub ntsiab lus alloying hauv titanium alloys uas txhim kho lub zog thiab plasticity.Qhov zoo ntawm V ntawm plasticity ntawm titanium alloys yog vim qhov tseeb tias nws tsis nce qhov sib piv ntawm c / a axis ntawm - xeev lattice, raws li yog cov ntaub ntawv nrog feem ntau alloying ntsiab, tab sis theej txo nws, yog li ua rau cov tsim ntawm -theem thiab tsis txhob alloy embrittlement thaum lub sij hawm ntev kev pab cuam.
Cov yam ntxwv tseem ceeb ntawm TC4 titanium alloy yog kev ua haujlwm zoo heev thiab kev ua haujlwm zoo. TC4 titanium alloy muaj qhov nruab nrab ntawm chav sov lub zog thiab kub siab zog, zoo creep tsis kam thiab thermal stability, siab qaug zog tsis kam thiab tawg txuas ntxiv kuj nyob rau hauv dej hiav txwv, nrog rau txaus siab puas ntsoog toughness thiab tsis kam mus rau kub ntsev kev nyuaj siab corrosion, rhiab heev rau hydrogen kuj. me dua TC2, TC1 alloys, thiab nws tsim nyog rau kev tsim khoom ntawm - 196 ~ 450 degree ntau yam alloys. 196 ~ 450 degree qhov kub ntawm kev ua haujlwm hauv ntau qhov chaw, tshwj xeeb tshaj yog siv lub hauv paus ntsiab lus ntawm kev puas tsuaj rau qhov txwv qhov tsim ntawm qhov chaw.TC4 titanium alloy kuj muaj cov txheej txheem zoo heev plasticity thiab superplasticity, haum rau molding nrog ntau yam kev siv tshuab siab, thiab ntau txoj hauv kev rau vuam thiab machining.
Cov ntaub ntawv tseem ceeb ntawm TC4 titanium alloys yog tuav, forgings, nplooj ntawv, daim hlau, profiles thiab xov hlau, thiab lwm yam. Lawv kuj siv rau castings (ZTC4).
TC4ELI titanium alloy
TC4ELI yog ib qho kev hloov kho ntawm TC4, qhov sib txawv tseem ceeb yog qhov sib txawv Al cov ntsiab lus thiab cov ntsiab lus qis ntawm cov ntsiab lus sib txawv Fe, N, H thiab O. Qhov sib txawv tseem ceeb yog TC4ELI yog qhov hloov kho ntawm TC4.

TC4ELI titanium alloy tau dhau los ua cov khoom siv zoo tshaj plaws rau kev kho mob kev cog hniav vim nws cov biocompatibility zoo, tsis tshua muaj modulus ntawm elasticity, tsawg ntom, zoo corrosion kuj, non-toxicity, siab yield zog, ntev qaug zog lub neej, siab plasticity ntawm chav tsev kub, thiab yooj yim. ntawm molding. Kev kho mob TC4ELI titanium alloy daim ntawv yog tsuas yog siv rau kev kho pob txha cranial, pob txha grafting, thiab lwm yam., uas muaj cov kev xav tau ntau dua rau nws lub zog, qaug zog lub neej, plasticity thiab lwm yam.
Titanium alloy yog ib qho alloy uas muaj titanium ua lub hauv paus thiab lwm yam khoom. Titanium muaj ob hom homogeneous thiab heterogeneous crystals: titanium yog ib homogeneous elemental isomer, nrog lub melting point ntawm 1668 degree, thiab ib tug ntom kab hexagonal lattice qauv, hu ua -titanium, thaum nws qis dua 882 degree, thiab lub cev- centered cubic lattice qauv, hu ua -titanium, thaum nws siab tshaj 882 degree. Kev siv titanium cov yam ntxwv sib txawv ntawm ob lub qauv saum toj no, ntxiv cov ntsiab lus alloying tsim nyog, kom lub sijhawm hloov pauv kub thiab cov ntsiab lus ntawm cov ntsiab lus maj mam hloov thiab tau txais cov koom haum sib txawv ntawm titanium alloys (titanium alloys).
TC4 ELI titanium alloy nyob rau hauv TC4 alloy nyob rau hauv lub hauv paus ntawm txo qhov sib txawv ntawm C, O, N thiab cov ntsiab lus ntawm impurity ntsiab Fe, lub zog tau raug txo, tab sis muaj peev xwm ho txhim kho lub toughness. TC4 ELI muaj plasticity zoo, toughness, zoo vuam kev ua tau zoo thiab tsis tshua muaj kub kev ua tau zoo, dav siv nyob rau hauv cryogenic engineering, kho mob, ships thiab aircraft thiab lwm yam tseem ceeb thaj chaw.
TC4 alloy yuav siv tau nyob rau hauv ib puag ncig zoo tib yam los yog kub ib puag ncig, TC4ELI alloy yuav siv tau nyob rau hauv ultra-low kub ib puag ncig.
TC4 titanium alloy thiab TC4ELI titanium alloy cov qib zoo sib xws yog: T-6A-4V / Qib 5 (US qib), BT 6 (Russian qib), IMI 318 (British qib), TiAI6V4 (German qib ).
Kev tsim khoom siv kho mob hauv tib neeg lub cev vim muaj kev raug mob, cov qog los ntawm cov pob txha thiab pob qij txha raug mob, kev siv cov titanium thiab titanium alloy tsim cov pob qij txha, pob txha daim hlau thiab cov ntsia hlau, yog tam sim no dav siv hauv kev kho mob. Kuj tseem siv tau rau hauv cov pob qij txha (xws li lub taub hau femoral), pob qij txha hauv caug, pob qij txha, pob qij txha, metacarpophalangeal pob qij txha, cov pob qij txha interphalangeal, mandible, pob txha pob txha (spinal orthosis), plawv pacemaker shells, artificial heart (lub plawv li qub), kev cog hniav cuav, titanium- nickel orthodontic hniav thiab titanium mesh nyob rau hauv lub Cranial yas phais thiab lwm yam.
Titanium thiab titanium alloys tau txais qhov tseem ceeb vim lawv lub zog tshwj xeeb, biocompatibility thiab tiv thaiv corrosion los ntawm lub cev kua.

Ti 6Al-4V ELI yog qib ntawm Ti 6Al-4V nrog qhov sib txawv me me, uas tso cai rau lub zog siab tshaj plaws rau cov dej hiav txwv thiab qhov kub thiab txias. Qib no feem ntau yog siv rau hauv qhov mob annealed thiab Ti 6Al-4V yog qhov kev xaiv zoo rau kev cog qoob loo.
Cov txheej txheem tsim khoom muaj xws li so annealing ntawm 900-120 degrees Fahrenheit rau 1-4 teev thiab cua txias. Cov txheej txheem rau ob chav annealing, puag ncig tuav thiab forgings yog: tshuaj anneal ntawm 50-100 degrees F beta transformation kub, tuav tsawg kawg yog 1 teev thiab cua txias, ua raws li los ntawm reheating ntawm 1300-1400 degrees F, tuav rau tsawg kawg yog 1 teev thiab cua txias. Relaxation annealing yog tsim nyog tom qab vuam.