GR5 Titanium Alloy Tube: Kev Taw Qhia Kev Taw Qhia

GR5 titanium alloy tubes, raws li qhov siab - cov khoom siv engineering, tau pom muaj txiaj ntsig tshwj xeeb hauv xyoo tas los no thoob plaws thaj chaw xws li aerospace, khoom siv kho mob, thiab cov khoom siv tshuaj. Lawv cov yam ntxwv tshwj xeeb ntawm lub cev thiab tshuaj lom neeg, ua ke nrog cov khoom siv kho tshuab zoo, ua rau lawv qhov zoo tshaj plaws hloov pauv rau cov hlau tsis muaj steel thiab npib tsib xee-raws li alloys. Phau ntawv qhia no muab kev tshuaj xyuas dav dav ntawm cov khoom siv qib siab no, suav nrog nws cov khoom, txheej txheem tsim khoom, kev siv, thiab kev cia siab rau kev lag luam.

GR5 titanium alloy (qib thoob ntiaj teb Ti-6Al{15}}4V) yog ib qho - duplex theem alloy muaj li ntawm 6% txhuas, 4% vanadium, thiab lwm yam titanium. Qhov kev sib xyaw no muab nws lub zog siab thiab zoo yas: nws lub zog tensile tuaj yeem tshaj 895 MPa, lub zog tawm los yog kwv yees li 830 MPa, thiab elongation yog khaws cia ntawm 10% thiab 15%. Piv nrog rau cov titanium ntshiab, nws lub zog yog nce li ntawm 50%, thaum nws qhov ceev tsuas yog 4.43 g / cm³-43% sib dua li steel-tseem tau raws li qhov xav tau ntawm kev tsim qauv.

Nyob rau hauv cov nqe lus ntawm corrosion kuj, GR5 titanium alloy raj ib txwm tsim ib tug tuab oxide zaj duab xis 5-10 nm tuab ntawm lawv nto, exhibiting muaj zog tiv thaiv tawm tsam xws li chlorides, nitric acid, thiab organic acids. Kev sim cov ntaub ntawv qhia tau hais tias nyob rau hauv ib tug 3.5% NaCl tov, nws cov corrosion txhua xyoo yog qis dua 0.001 hli, deb tshaj ntawm 316L stainless hlau (0.1 hli / xyoo). Cov yam ntxwv no ua rau nws cov khoom ntawm kev xaiv rau marine engineering thiab seawater desalination khoom.

Thov rau Cov Qauv Dawb

Ua tau zoo - zoo GR5 titanium alloy raj yuav tsum muaj ntau yam txheej txheem:

Melting theem: Siv Lub Tshuab Nqus Tsev Arc Remelting (VAR) triple-cov thev naus laus zis los xyuas kom muaj kev sib xyaw ua ke thiab tswj cov pa oxygen hauv qab 0.13%.

Kub Ua Haujlwm: Ua ntau-dhau kub dov hauv qab ntawm -transus kub (kwv yees li 995 degree) los ua kom cov nplej loj rau 20-50 μm los ntawm kev kho cov thermomechanical.

Ua haujlwm txias: Siv 20% -30% txias deformation ua ke nrog nruab nrab annealing (700-800 degree) kom ua tiav qhov kev pom zoo ntawm lub zog thiab plasticity.

Kev kho saum npoo: Siv sandblasting ua raws li cov kua qaub pickling (HF/HNO3 tov tov) kom tshem tawm cov nto - cov ntaub ntawv kis kab mob, tswj cov nto roughness nyob rau hauv Ra 0.8 μm.

Nws yog ib qho tseem ceeb hais tias txoj kev loj hlob ntawm "kub extrusion-txias dov ua ke" tau nce tus nqi tawm los ntawm 60% nrog rau cov txheej txheem ib txwm mus rau 85%, txo cov nqi tsim khoom.

Aerospace Kev Lag Luam: Siv rau cov khoom tseem ceeb xws li aircraft hydraulic kab thiab cav compressor casings. Ib lub dav hlau Boeing 787 siv txog li 1.2 tons ntawm GR5 titanium alloy tubing, ua tiav qhov hnyav 30% piv rau aluminium alloy thaum ua rau qaug zog lub neej tsib npaug. Nws ruaj khov kev ua tau zoo los ntawm -196℃txog 300℃zoo kawg nkaus yoog mus rau qhov chaw siab tshaj plaws.

Medical Implant Field: Raws li cov khoom siv tseem ceeb rau cov pob qij txha thiab cov pob txha pob txha, nws cov elastic modulus (110 GPa) yog ze rau ntawm tib neeg cov pob txha (30 GPa), kom tsis txhob muaj "kev nyuaj siab tiv thaiv." Cov ntaub ntawv kho mob qhia tau hais tias GR5 titanium alloy hip prostheses nrog deg micro- kev kho qhov ntxeem tau muaj 10-xyoo txoj sia nyob ntawm 97.3%.

Cov khoom siv tshuaj ua haujlwm: Nyob rau hauv acetic acid ntau lawm units, lub neej kev pab cuam ntawm GR5 tshav kub exchangers mus txog 15 xyoo, peb zaug ntev dua li ntawm tej yam npib tsib xee-raws li alloys. Kev siv φ38 × 1.5mm nyias- cov hlab ntsa hauv qhov loj - nplai PTA (Purified Terephthalic Acid) qhov project tau txhim kho cov cua sov hloov mus los ntawm 22% thiab txuag ntau dua 3 lab RMB txhua xyoo hauv cov nqi kho.

Txawm hais tias nws cov khoom zoo heev, GR5 titanium alloy tube ua haujlwm nthuav tawm ntau qhov kev sib tw:

Tshuab dhos: Nws cov thermal conductivity tsawg (7.2 W / m·K) tuaj yeem ua rau cov cuab yeej adhesion. Nws raug pom zoo kom siv Polycrystalline Pob Zeb Diamond (PCD) cov cuab yeej nrog siab - siab txias txias.

Vuam txheej txheem: Vuam yuav tsum nruj me ntsis tswj nyob rau hauv ib tug argon gas shield (dej point tsawg tshaj li los yog sib npaug rau -50 degree), tom qab-weld stress relief annealing ntawm 650℃rau 2 teev.

Tus nqi tswj: Cov khoom siv raw suav nrog ntau dua 60% ntawm cov nqi tsim khoom. Kev siv cov khoom siv rov ua dua tshiab tuaj yeem txo cov nqi los ntawm 15% -20%.

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Kuv lub Hoobkas yog lub siab - zoo titanium thiab titanium alloy cov ntaub ntawv chaw tsim khoom tshwj xeeb hauv kev lag luam thoob ntiaj teb. Peb cov khoom lag luam npog npog titanium raj, titanium rods, titanium daim hlau, titanium xov hlau, thiab titanium strips. Peb muaj tag nrho - txheej txheem tsim muaj peev xwm los ntawm melting mus rau qhov sib sib zog nqus ua, nrog rau cov khoom tseem ceeb xws li Nqus Arc Remelting (VAR) furnaces, multi-function ceev forging presses, precision kub / txias dov mills, siab- ceev hlau qws dov mills, thiab siab - cov cuab yeej txiav. Kev siv cov tshuab thiab thev naus laus zis, peb tau cog lus los muab cov neeg siv khoom hauv ntiaj teb no xws li aerospace, kho mob cog, siab -kev ua tshuaj lom neeg, marine engineering, thiab cov khoom siv kis las nrog siab -kev ua tau zoo, qhov tseeb, thiab cov khoom siv titanium txhim khu kev qha thiab cov kev daws teeb meem.

Txhawm rau kom ntseeg tau tias txhua yam khoom titanium ua tau raws li cov qauv zoo tshaj plaws, peb tau tsim kom muaj kev tshuaj xyuas zoo tshaj plaws uas suav nrog cov khoom siv raw, cov txheej txheem ntau lawm, thiab cov khoom tiav. Nruab nrog cov cuab yeej ntsuas siab, xws li Optical Emission Spectrometers (OES), universal material test machines, metallographic microscopes, ultrasonic flaw detectors (UT), thiab corrosion testing equipment, peb muaj peev xwm txheeb xyuas cov khoom muaj pes tsawg leeg, mechanical zog, microstructure, internal defects, thiab corrosion resistance. Txhua pawg ntawm cov khoom tau dhau los ua kev sim nruj nruj raws li cov qauv thoob ntiaj teb xws li ASTM, ASME, thiab AMS, thiab cov ntawv pov thawj thib peb -cov ntaub ntawv tshuaj xyuas tau muab. Peb lub chaw soj nstuam khaws cov ntaub ntawv khaws cia kom tiav, kom ntseeg tau tias txhua kauj ruam los ntawm kev txiav txim mus rau kev xa khoom tuaj yeem txheeb xyuas tau thiab txheeb xyuas tau. Qhov no tau lees paub tias peb xa cov khoom siv titanium siab - tus qauv titanium nrog cov ntaub ntawv zoo thiab cov ntaub ntawv ua tau zoo.

Thov Kev Sib Tham Kev Sib Tham