Ntau hom Titanium Alloys
Jan 19, 2026
Titanium alloys yog cov ntaub ntawv engineering tau sau tseg rau lawv lub zog siab, qhov hnyav, thiab zoo corrosion kuj.
Los ntawm alloying titanium nrog ntau lub ntsiab lus, cov hlau no tuaj yeem tsim kom tau raws li cov kev xav tau ntawm kev lag luam sib txawv.
Tsab ntawv xov xwm no muab rau hauv - qhov tob pom ntawm kev faib tawm ntawm titanium alloys, lawv cov khoom siv kho tshuab, lub cev, thiab thermal, kev lag luam uas lawv pom, thiab kev txiav txim siab txog kev siv tshuab thiab kev kho cua sov.
Alpha ( ) alloys
Alpha alloys yog ib qho - cov ntaub ntawv theem nrog HCP siv lead ua qauv stabilized los ntawm cov tshuaj xws li txhuas, oxygen, nitrogen, thiab carbon. Cov alloys no muab lub zog nruab nrab, muaj zog corrosion heev -resistant, thiab ua tau zoo ntawm qhov kub thiab txias.
Lawv tsis tuaj yeem raug cua sov-kho vim lawv ib leeg- theem qauv, txwv tsis pub nag lossis daus hardening.
Alpha-stabilizing tshuaj ntsiab lus, es tsis txhob, nyiam lub zog siab los ntawm cov khoom siv ntxiv dag zog, tab sis ntau alloying (xws li txhuas sib npaug saum 9%) tuaj yeem ua rau nkig intermetallic. Cov alloys muab kev puas tsuaj toughness thiab creep kuj nyob rau hauv ib puag ncig txhoj puab heev.
Nyob ze -alpha alloys
Ze ntawm -alpha titanium alloys yog tsim los ntawm alpha theem nrog 1-2% ntawm beta- stabilizing tshuaj xws li molybdenum los yog silicon, uas qhia txog me me ntawm ductile beta alloy theem.
Cov alloys khaws cov alpha alloys 'kev tiv thaiv corrosion thiab tawg toughness thaum txhim kho kev ua haujlwm kub thiab muaj kev kho cua sov tsawg.
Lawv cov microstructure, hauv paus alpha nrog me me beta hais raws li cov ciam teb lis, nthuav tawm creep tsis kam ntawm qhov kub siab, yog li ua rau lawv muaj txiaj ntsig rau qee qhov kev siv.
Alpha{0}}beta ( - ) alloys
Alpha-beta alloys muaj ob theem hauv microstructure thiab muaj kev sib xyaw ntawm ob theem alpha thiab beta los ntawm kev sib ntxiv ntawm alpha-stabilizing tshuaj, xws li txhuas, thiab beta{2}}stabilizing tshuaj, xws li vanadium thiab molybdenum.
Cov alloys no yog cov cua sov kho tau thiab tuaj yeem ua kom muaj zog ntau dua los ntawm kev quenching thiab kev laus. Piv nrog alpha thiab nyob ze alpha alloys, lub beta theem muab zoo formability, qaug zog kuj, thiab tsawg creep kuj.
Lub alpha-beta alloy Ti-6Al-4V muaj cov khoom sib npaug thiab siv li 50% ntawm titanium alloying.
Beta ( ) alloys
Beta titanium alloys muaj cov qauv BCC ruaj khov los ntawm qhov siab ntawm beta-stabilizing cov ntsiab lus xws li molybdenum, vanadium, lossis hlau. Cov alloys no yog cov cua sov kho tau thiab tuaj yeem ncav cuag lub zog siab heev los ntawm nag lossis daus ntawm cov khoom zoo alpha thaum laus.
Beta alloys nthuav tawm qhov txias txias thiab ua haujlwm zoo tawg, tab sis lawv muab qis dua ductility thiab qaug zog tiv thaiv thaum tshav kub- kho
Metastable beta alloys nrog molybdenum sib npaug 10-30, tom qab txias ceev, nyob twj ywm beta tag nrho thiab tuaj yeem muab lub zog siab rau cov kev xav tau tshaj plaws.
Ti-6Al-4V
Ti-6Al-4V (los yog ASTM Qib 5) yog cov khoom siv titanium uas muaj kwv yees li 6% txhuas thiab 4% vanadium, nrog rau cov pa roj carbon tsawg, nitrogen, thiab hydrogen.
Nws yog ib qho alpha-beta alloy uas txhim kho tensile lub zog nyob rau hauv thaj tsam ntawm 895-1100 MPa, yog atmospheric corrosion resistant, thiab muaj lub zog zoo heev - rau qhov hnyav piv, ua rau nws nyiam nyob rau hauv aerospace thiab biomedical cov ntaub ntawv.
Thaum tshav kub kub- cov txheej txheem kev kho mob tuaj yeem muab cov khoom siv kho tshuab thiab lub cev xav tau, nrog rau kev daws teeb meem thiab kev laus hauv kev sib npaug, txhawb nqa lub zog siab thaum tuav cov khoom zoo.
Ti-6Al-2Sn-4Zr-2Mo (Ti-6242)
Qhov ze ntawm -alpha combo, Ti-6242, tau tsim los ntawm qhov kub siab. Nws muaj 6% txhuas, 2% tin, 4% zirconium, thiab 2% molybdenum, uas muab nws superior creep tsis kam mus rau lub zog siab ntawm siab kub mus txog 550 degree.
Nws cov microstructure txhawb kev tiv thaiv corrosion thiab thermal stability, yog li haum rau lub dav hlau xyaw thiab lwm yam siab -kub aerospace Cheebtsam.
Properties Comparison Table ntawm Titanium Alloys
| Hom alloy | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Qhov ceev (g / cm³) | Hluav taws xob tiv thaiv (μΩ·m) |
| Kev lag luam PureGrade 1 | 240–370 | 170–310 | 24–30 | 4.51 | 0.420 |
| Kev lag luam PureGrade 4 | 550–750 | 480–620 | 15–20 | 4.51 | 0.420 |
| Ti-6Al-4V (Qib 5) | 895–1100 | 825–1050 | 8–15 | 4.43 | 1.780 |
| Ti-6242 (Nyob ze-Alpha Alloys) | 895–1000 | 830–950 | 6–12 | 4.54 | 1.700 |
| Beta C (Beta Alloys) | 1104–1276 | 1000–1200 | 6–10 | 4.82 | 1.600 |
Mechanical Properties
Cov cuab yeej cuab tam ntawm titanium alloys yog qhov tseem ceeb rau kev thauj khoom -cov ntaub ntawv kabmob. Raws li cov ntaub ntawv MatWeb, cov lus hauv qab no qhia txog lub zog tensile, lub zog tawm los, elongation, thiab hardness rau cov qib tseem ceeb titanium.
| Hom alloy | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Hardness (Rockwell C) |
| Kev lag luam Pure Qib 1 | 240–370 | 170–310 | 24–30 | 14–17 |
| Kev lag luam Pure Qib 4 | 550–750 | 480–620 | 15–20 | 24–30 |
| Ti-6Al-4V (Qib 5) | 895–1100 | 825–1050 | 8–15 | 36–41 |
| Ti-6242 (Nyob ze-Alpha Alloys) | 895–1000 | 830–950 | 6–12 | 34–38 |
| Beta C (Beta Alloys) | 1104–1276 | 1000–1200 | 6–10 | 40–44 |
Nws muaj qhov nruab nrab - lub zog thiab siab - ductility coj mus muag ntshiab qib titanium, iof uas Qib 4 yog qhov muaj zog tshaj ntawm cov qib ntshiab coj mus muag. Alpha thiab nyob ze -alpha alloys, zoo li Ti-6242, muab lub zog nruab nrab thiab siab tawg toughness.
Alpha-beta hom xws li Ti-6Al-4V muaj zog thiab qaug zog ua haujlwm. Nyob rau hauv sib piv, high-temperature beta alloys, xws li Beta C, tuaj yeem tsim siab tshaj 1200 MPa, tsim nyog rau cov ntawv thov kev ntxhov siab tab sis muaj kev txwv tsis pub muaj zog.
Lub cev muaj zog
Lub cev lub cev muaj feem cuam tshuam rau kev ua kom haum rau cov ntawv thov uas xav tau qhov hnyav lossis cov yam ntxwv sib nqus. Cov lus hauv qab no, tau txais los ntawm MatWeb, cov ntsiab lus ceev thiab lub ntiajteb txawj nqus tshwj xeeb.
| Hom alloy | Qhov ceev (g / cm³) | Specific Gravity |
| Kev lag luam Pure Qib 1 | 4.51 | 4.51 |
| Kev lag luam Pure Qib 4 | 4.51 | 4.51 |
| Ti-6Al-4V (Qib 5) | 4.43 | 4.43 |
| Ti-6242 (Nyob ze-Alpha Alloys) | 4.54 | 4.54 |
| Beta C (Beta Alloys) | 4.82 | 4.82 |
Titanium alloys nrog qhov ceev ntawm 4.4 mus rau 4.8 g / cm³ yog qhov sib zog dua li lwm cov hlau xws li hlau (7.9 g / cm³), uas suav rau lawv lub teeb yuag thiab lub zog loj. Titanium alloys yog cov kev xaiv zoo uas yuav tsum muaj kev cuam tshuam sib nqus tsawg, xws li kev kho mob thiab aerospace.
Cov khoom hluav taws xob
Titanium alloys muaj hluav taws xob tiv taus siab (0.42-1.78 μΩ·m) piv rau lwm yam hlau xws li tooj liab (0.017 μΩ·m), yog li lawv muaj qis conductivity.
Cov cuab yeej tuaj yeem yog cov khoom siv hluav taws xob insulating hauv kev teeb tsa qhov kev tiv thaiv corrosion thiab tsis yog -conductivity yog qhov xav tau tshaj plaws, xws li hauv cov khoom siv tshuaj.
Thermal Properties
Cov khoom siv thermal yog qhov tseem ceeb rau cov ntawv thov uas muaj qhov kub thiab txias. Cov lus hauv qab no, qhia txog cov thermal conductivity thiab qhov kub ntawm qhov kev pabcuam siab tshaj plaws.
| Hom alloy | Thermal conductivity (W / m · K) | Max Service Kub (degree) |
| Kev lag luam Pure Qib 1 | 15.6–22.0 | 300–350 |
| Kev lag luam Pure Qib 4 | 15.6–22.0 | 300–350 |
| Ti-6Al-4V (Qib 5) | 6.7 | 400 |
| Ti-6242 (Nyob ze-Alpha Alloys) | 7.0 | 550 |
| Beta C (Beta Alloys) | 8.0 | 450 |
Titanium alloys xa nrog cov thermal conductivity tsawg ua rau lawv nyuaj rau tshuab tab sis tau txais thoob plaws hauv qhov kub thiab txias.
Vim yog theem kev ruaj ntseg, kev lag luam ntshiab titanium yog txwv rau 350 degree, thaum alloys xws li Ti-6Al-4V thiab Ti-6242 mus los ntawm huab cua kub ntawm 400-550 degree, feem.
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Peb lub Hoobkas
Peb yog cov chaw tsim khoom tshwj xeeb koom nrog kev sib sib zog nqus ntawm titanium thiab titanium alloys, muab tag nrho cov khoom lag luam suav nrog titanium raj, daim hlau, tuav, xov hlau, thiab foils. Peb qhov chaw yog nruab nrog niaj hnub, cov kab ntau lawm uas muaj hnyav- lub luag haujlwm thim rov qab kub dov mills rau cov phaj tuab thiab ntau - yob txias dov mills rau cov ntawv txheeb thiab cov ntawv ci. Tube manufacturing siv precision txias pilger mills thiab seamless tube ntau lawm kab, thaum bar thiab hlau cov khoom yog tsim los ntawm high- ceev bar / hlau dov mills thiab nruam cov khoom siv. Cov txheej txheem tseem ceeb tau txais kev txhawb nqa los ntawm lub tshuab nqus tsev annealing rau kev kho cua sov, thiab ua tiav los ntawm CNC machining chaw, laser txiav tshuab, thiab precision leveling tshuab. Nrog rau kev tswj hwm kev tswj hwm zoo saib xyuas tag nrho cov txheej txheem los ntawm cov khoom siv raw mus rau cov khoom tiav, peb tau cog lus los muab siab -kev ua tau zoo, precision titanium cov kev daws teeb meem rau kev lag luam xws li aerospace, cov cuab yeej kho mob, kev ua tshuaj lom neeg, thiab siab -cov khoom siv kawg.
Titanium khoom ntim khoom
Peb ua raws li kev lag luam- qib kev tiv thaiv cov qauv, muab cov kev daws teeb meem rau kev ntim khoom rau txhua yam khoom titanium: cov hlab thiab tuav yog ib tus neeg ruaj ntseg nrog tiv thaiv- xeb VCI hauv ob sab phlu hauv cov ntoo crates; daim hlau thiab ntawv ci yog interleaved nrog anti- khawb PE zaj duab xis thiab ntim rau hauv hnyav- lub luag haujlwm corrugated thawv; xov hlau yog precision-mob ntawm cov reels muaj. Tag nrho cov pob khoom suav nrog cov khoom siv desiccant thiab muaj cov ntawv qhia meej cov khoom lag luam nrog cov lej traceability, kom ntseeg tau tias koj cov ntaub ntawv titanium precision raug tiv thaiv los ntawm ya raws, cuam tshuam, thiab puas thaum lub sijhawm khaws cia thiab thoob ntiaj teb logistics, tuaj txog ntawm koj cov kab ntau lawm.
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