Titanium hlau

Titanium yog cov hlau dawb-dawb nrog ntau yam khoom zoo heev. Piv txwv li, qhov ceev ntawm titanium yog 4.54g / cm3, uas yog 43% sib zog dua hlau, tab sis nws lub zog txhua yam zoo ib yam li cov hlau. Thiab titanium yog resistant rau kub kub thiab muaj ib tug melting point ntawm 1942K, uas yog ze li ntawm 500K siab tshaj hlau. Nyob rau hauv xyoo tas los no, nrog kev tshawb fawb txuas ntxiv ntawm titanium, ntau thiab ntau cov khoom tsim rau titanium tuaj yeem pom hauv peb lub neej txhua hnub thiab titanium xov hlau yog ib qho ntawm lawv.

Hom ntawm Titanium Hlau
Raws li cov khoom sib txawv ntawm titanium thiab titanium alloys, titanium hlau nrog cov kev xav tau sib txawv tuaj yeem npaj tau, feem ntau muab faib ua cov ntshiab titanium hlau, titanium alloy hlau, ntshiab titanium iav hlau, titanium ncaj hlau, titanium vuam hlau, titanium dai hlau, titanium coil. hlau, titanium ci hlau, kho mob titanium hlau, titanium nickel alloy hlau, thiab lwm yam.

Ntau hom titanium hlau muaj ntau yam siv. Piv txwv li, ntshiab titanium iav hlau yog tsuas yog siv los ua cov iav tuav, titanium dai hlau yog siv los dai qhov hnyav, thiab titanium nickel alloy hlau feem ntau yog siv los ua cov khoom siv nco.

Daim ntawv thov ntawm titanium hlau
Titanium hlau kuj zoo kawg nkaus tau txais txiaj ntsig zoo ntawm titanium thiab titanium alloys, nrog rau cov yam ntxwv zoo heev xws li kev tiv thaiv corrosion zoo, muaj zog tshwj xeeb, tsis muaj hlau nplaum, siab biocompatibility, tsis tshua muaj impedance rau ultrasound, thiab lub cim xeeb zoo.

Yog li ntawd, titanium thiab titanium alloy hlau yog dav siv nyob rau hauv ntau lub teb xws li kev lag luam tub rog, tsom iav, tsej, headwear, electroplating hangers, vuam hlau, aerospace, petrochemical, kev kho mob thiab kev noj qab haus huv, automotive, kev tsim kho, thiab kev ua si thiab leisure khoom.

Thiab nyob rau hauv xyoo tas los no, vim muaj kev txhim kho txuas ntxiv ntawm kev lag luam titanium hlau, ntau yam ntawm titanium hlau tau dhau los ua ntau haiv neeg, uas ua rau titanium hlau ntau dua thiab dav siv hauv cov khoom siv ua haujlwm siab thiab cov neeg siv khoom.

Tam sim no, ntau tshaj li 80% ntawm titanium thiab titanium alloy hlau yog siv los ua vuam hlau, xws li vuam ntawm ntau yam titanium cov cuab yeej, vuam kav, kho vuam ntawm turbine discs thiab hniav ntawm aircraft dav hlau cav, thiab vuam ntawm casings.

Vim nws zoo heev corrosion kuj, titanium hlau tau dav siv nyob rau hauv tshuaj, tshuaj, papermaking, thiab lwm yam lag luam. Nws tuaj yeem ua rau hauv mesh rau seawater lim, lim dej lim, tshuaj lim tshuaj, thiab lwm yam.

Titanium thiab titanium alloy xov hlau kuj tseem siv los tsim cov fasteners, cov khoom siv thauj khoom, cov dej ntws, thiab lwm yam vim lawv qhov kev ua tau zoo tag nrho.

Hauv kev kho mob thiab kev noj qab haus huv kev lag luam, vim lawv cov biocompatibility zoo heev, titanium thiab titanium alloy hlau yog siv los tsim cov cuab yeej kho mob, kho pob txha taub hau, thiab lwm yam.

Qee cov titanium alloy xov hlau nrog cov duab nco muaj nuj nqi, xws li titanium-nickel alloy xov hlau, yog siv los ua satellite antennas, lub xub pwg pluaj rau khaub ncaws, poj niam lub tsho, thiab cov tsom iav.

Hauv kev lag luam electroplating thiab dej kho, titanium thiab titanium alloy hlau yog siv los tsim ntau yam electrodes.

Lub fabrication ntawm titanium cov ntaub ntawv rau hauv complex duab yog niaj hnub rau ntau fabricators. Cov khw no tau lees paub ntev dhau los tias titanium tsis yog cov khoom siv sib txawv uas yuav tsum tau siv cov txheej txheem tsim tawm. Kab lus no yuav tham txog kev tsim cov welds zoo thiab kev kho cua sov ntawm titanium.

Qhov sib txawv tseem ceeb ntawm titanium thiab hlau lossis npib tsib xee-puag alloys yuav tsum tau lees paub. Cov no yog:
• Titanium qhov qis dua.
• Titanium lub qis modulus ntawm elasticity.
• Titanium lub melting point ntau dua.
• Titanium qhov qis dua ductility.
• Titanium propensity rau gall.
• Titanium rhiab heev rau kev sib kis thaum vuam.

Kev them nyiaj rau qhov sib txawv no tso cai rau titanium los tsim cov txheej txheem zoo ib yam li cov hlau tsis muaj steel lossis npib tsib xee-raws li alloys. Kab lus no hais txog kev ua haujlwm uas siv hauv fabricating titanium.

Chaw Ua Haujlwm Anchor
Kev tsim cov titanium xav tau kev saib xyuas kom huv. Nws tsis yog qhov tsis yooj yim rau cov khw muag khoom uas tuav ntau cov hlau kom cais thaj chaw siv tshwj xeeb rau titanium. Qhov chaw muab tso rau titanium yuav tsum tsis txhob muaj cov cua ntsawj ntshab, noo noo, plua plav, roj, thiab lwm yam kab mob uas yuav pom lawv txoj hauv kev los yog mus rau cov hlau.

Vuam Titanium Anchor
Titanium thiab feem ntau titanium alloys yog yooj yim weldable, siv ob peb txheej txheem vuam. Ua kom zoo welds nyob rau hauv qhov zoo li-welded yog ductile thiab, nyob rau hauv feem ntau ib puag ncig, yog li corrosion resistant li lub hauv paus hlau. Tsis zoo welds, ntawm qhov tod tes, tej zaum yuav embrittled thiab tsawg dua corrosion-resistant piv rau lub hauv paus hlau.

Cov txheej txheem thiab cov cuab yeej siv hauv vuam titanium zoo ib yam li cov uas xav tau rau lwm cov ntaub ntawv ua tau zoo, xws li cov hlau tsis muaj steel lossis npib tsib xee-puag alloys. Titanium, txawm li cas los xij, xav tau kev saib xyuas ntau dua rau kev huv thiab siv cov khoom siv hluav taws xob tiv thaiv tsis zoo tshaj li cov ntaub ntawv no. Molten titanium weld hlau yuav tsum tau tiv thaiv tag nrho los ntawm kev sib kis los ntawm huab cua. Tsis tas li ntawd, cov cheeb tsam kub kub thiab cov hauv paus hniav ntawm titanium welds yuav tsum tau tiv thaiv kom txog thaum kub poob qis dua 800 degree F (427 degree).

Titanium reacts nkag tau nrog huab cua, noo noo, roj, av, refractories, thiab feem ntau ntawm cov hlau los tsim nkig tebchaw. Cov tshuaj tiv thaiv ntawm titanium nrog gases thiab fluxes ua rau cov txheej txheem vuam xws li roj welding, shielded hlau arc, flux cored arc, thiab submerged arc vuam tsis haum. Ib yam li ntawd, vuam titanium rau cov hlau tsis sib xws feem ntau tsis tuaj yeem ua tau, vim tias titanium tsim cov khoom sib txuas nrog lwm cov hlau feem ntau; Txawm li cas los xij, titanium tuaj yeem txuas rau zirconium, tantalum, thiab niobium.

Txawm hais tias muaj kev ceev faj, ntau cov fabricators niaj hnub thiab kev lag luam vuam titanium, ua suab nrov, ductile welds ntawm tus nqi sib piv rau ntau lwm cov ntaub ntawv ua tau zoo. Ib qho txiaj ntsig tseem ceeb ntawm kev vuam cov qib lag luam ntshiab ntawm titanium yog tias lawv muaj ntau dua 99% ntshiab titanium thiab tsis muaj kev txhawj xeeb rau kev sib cais. Ib yam yog qhov tseeb ntawm cov hlau los yog cov pas nrig hauv cov qib ntshiab hauv kev lag luam.

Vuam txheej txheemAnchor
Titanium thiab nws cov alloys feem ntau yog welded nrog cov roj tungsten-arc (GTA los yog TIG) thiab roj hlau-arc (GMA los yog MIG) vuam txheej txheem. Kuj, plasma arc, electron beam thiab kev sib txhuam vuam kuj tseem siv rau ntawm titanium mus rau qhov txwv. Tag nrho cov txheej txheem no muaj qhov zoo rau cov xwm txheej tshwj xeeb. Txawm li cas los xij, kev sib tham hauv qab no yuav cuam tshuam feem ntau nrog GTA thiab GMA vuam. Muaj ntau lub hauv paus ntsiab lus uas tau tham txog yog siv tau rau txhua qhov txheej txheem.

Hom Vuam: Gas Tungsten-Arc (GTA) thiab Gas Hlau-Arc (GMA)
Cov txheej txheem GTA tuaj yeem siv los ua cov pob qij txha tsis muaj cov hlau nplaum hauv titanium hauv paus ntawv txog li 1/8-inch thickness. Cov ntu hnyav feem ntau yuav tsum tau siv cov hlau muab tub lim thiab cov pob qij txha grooved. GTA lossis GMA vuam txheej txheem tuaj yeem siv tau, txawm hais tias GMA vuam yog qhov kev lag luam ntau dua rau cov ntu hnyav dua li ib nrab nti. Yog tias siv cov txheej txheem GTA, kev saib xyuas yuav tsum tau siv los tiv thaiv kev sib cuag ntawm tungsten electrode nrog cov molten puddle, yog li tiv thaiv tungsten pickup.

Power SupplyAnchor
Cov khoom siv hluav taws xob zoo sib xws, txuas nrog DC ncaj polarity (DCSP), yog siv rau GTA vuam ntawm titanium. Rov qab polarity (DCRP) yog siv rau GMA vuam ntawm titanium. Ib lub chaw taws teeb tswj tus contactor tso cai rau lub arc kom tawg yam tsis muaj kev tshem tawm lub teeb los ntawm cov cua txias vuam hlau, yog li tswj xyuas cov roj inert shielding. Ko taw-ua haujlwm tam sim no thiab contactor tswj, high-frequency arc pib, thiab shielding gas timers yog lwm yam kev ntshaw.

Vuam TorchAnchor
Lub teeb vuam dej txias, nruab nrog 3/4-inch ceramic khob thiab lub lens roj, tau pom zoo rau GTA vuam ntawm titanium. Ib lub khob ib-nti yuav xav tau rau GMA vuam. Thoriated tungsten electrodes (feem ntau yog 2% thoria) raug pom zoo rau GTA vuam ntawm titanium. Pointed electrodes (kawg blunted) pab tswj cov yam ntxwv arc. Qhov tsawg tshaj plaws txoj kab uas hla electrode uas muaj peev xwm nqa tau qhov yuav tsum tau tam sim no yuav tsum tau siv.

Inert Gas ShieldingAnchor
Kev tiv thaiv yuav tsum tau muab rau titanium weldments ntawm qhov txias txog li 800 degree F (427 degree) nrog rau cov molten weld puddle thiaj li tiv thaiv kom tsis txhob muaj kab mob los ntawm huab cua. Thaum lub sij hawm GTA thiab GMA vuam, argon los yog helium shielding gases ntawm vuam qib nrog dewpoint ntawm -50 degree F (-46 degree) los yog qis dua yog siv los muab kev tiv thaiv tsim nyog. Cov khoom siv roj sib cais yog xav tau rau:
• Kev tiv thaiv thawj zaug ntawm molten weld puddle.
• Secondary shielding ntawm txias weld deposits thiab cuam tshuam cov tshav kub cuam tshuam cheeb tsam.
• Backup shielding ntawm backside ntawm weld thiab cuam tshuam cov tshav kub cuam tshuam cheeb tsam.