Hauv magnetron sputtering,titanium cov hom phiajyog ib qho ntawm cov khoom siv siv ntau tshaj plaws. Titanium lub hom phiaj tsis yog tsuas yog muaj qhov adhesion zoo, tab sis kuj tuaj yeem tsim ntau yam xim zoo nkauj thaum siv nrog cov roj reactive uas tsim nyog. Cia kuv saib cov yam ntxwv thiab qhov zoo ntawm titanium.
1. Ua ntej tshaj plaws, titanium lub hom phiaj tuaj yeem ua tau ntau yam xim, xws li titanium grey, gunmetal grey, dub, imitation kub, kas fes, xiav, ntshav, thiab ntau ntxiv.
2. Thib ob, titanium muaj adhesion zoo heev, nthuav tawm adhesion zoo heev rau ceramic thiab iav substrates. Yog li ntawd, titanium tuaj yeem siv los ua cov khoom siv rau cov yeeb yaj kiab uas tsis muaj adhesion. Titanium kuj tseem siv tau los ua cov khoom siv hauv kev tsim cov khoom nyias nyias - zaj duab xis resistors lossis nyias - zaj duab xis capacitors.
3. Titanium muaj zog adsorption muaj peev xwm rau reactive gases (xws li CO, CO2, N2, O2, thiab dej vapor saum 650 degree). Cov yeeb yaj kiab Ti tshiab evaporated mus rau phab ntsa mercury tsim cov adsorption zoo heev - muaj peev xwm ntog nrog cov pa roj zoo heev - tau txais kev ua tau zoo, muaj peev xwm ntawm cov tshuaj tiv thaiv nrog yuav luag tag nrho cov pa roj tsuas yog cov roj inert. Cov cuab yeej no ua rau Ti dav siv los ua cov khoom siv hauv ultra- lub tshuab nqus tsev siab, xws li hauv titanium sublimation twj thiab sputtering ion twj.
4. Corrosion Resistance: Titanium yog cov hlau reactive heev nrog lub peev xwm sib npaug qis, nthuav tawm qhov siab nyiam rau thermodynamic corrosion hauv ntau yam xov xwm. Txawm li cas los xij, nws yog qhov ruaj khov heev hauv ntau qhov kev tshaj tawm, xws li oxidizing, nruab nrab, thiab tsis muaj zog tshaj tawm. Qhov no yog vim titanium muaj zog affinity rau oxygen. In air or oxygen-containing media, a dense, strongly adherent, and inert oxide film forms on the titanium surface, protecting the titanium substrate from corrosion. Txawm yog vim muaj kev siv tshuab, nws sai sai nws tus kheej - kho los yog rov tsim dua tshiab. Qhov no qhia tau hais tias titanium yog cov hlau uas muaj zog passivation nyiam. Cov titanium oxide zaj duab xis khaws cov yam ntxwv no txawm tias kub hauv qab 315 degree. Titanium muaj ib tug hlau luster thiab yog ductile. Nws qhov ceev yog 4.5 g / cm³. Melting point yog 1660 ± 10 degree. Kub taw tes yog 3287 degree. Valences yog +2, +3, thiab +4. Ionization zog yog 6.82 eV. The main characteristics of titanium are its low density, high mechanical strength, and ease of processing. Lub plasticity ntawm titanium feem ntau yog nyob ntawm nws purity. Qhov purer lub titanium, ntau dua nws plasticity. Nws muaj kev tiv thaiv corrosion zoo heev thiab tsis cuam tshuam los ntawm huab cua thiab dej hiav txwv. Nyob rau hauv chav tsev kub, nws yuav tsis raug corroded los ntawm hydrochloric acid qis dua 7%, sulfuric acid qis dua 5%, nitric acid, aqua regia, los yog dilute alkaline daws; Tsuas yog hydrofluoric acid, concentrated hydrochloric acid, thiab concentrated sulfuric acid tuaj yeem ua rau nws.
5. Titanium muaj biocompatibility. Nyob rau hauv tib neeg lub cev, nws tiv thaiv corrosion los ntawm secretions thiab tsis yog - tshuaj lom, yoog rau txhua txoj kev ua kom tsis muaj menyuam. Yog li ntawd, nws yog dav siv nyob rau hauv kev tsim cov khoom siv kho mob, nrog rau cov pob qij txha, lub hauv caug, lub xub pwg nyom, tav, thiab pob txha taub hau, aortic li qub, thiab pob txha fixation clips. Thaum cov nqaij pob txha tshiab puag ncig cov "titanium pob txha," lawv pib tswj lub cev ua haujlwm. Titanium yog ib yam hlau uas tsis yog- hlau nplaum thiab yuav tsis raug hlau nplaum nyob rau hauv ib qho chaw sib nqus muaj zog. Nws tsis yog - tshuaj lom thiab muaj kev sib raug zoo nrog tib neeg cov ntaub so ntswg thiab ntshav, uas yog vim li cas nws thiaj li raug coj los ntawm zej zog kho mob.
6. Cov cua kub zoo heev thiab qis -kub tsis kam.
Tshiab titanium alloys tuaj yeem siv rau lub sijhawm ntev ntawm qhov kub ntawm 600℃lossis siab dua. Tsawg- kub titanium alloys, xws li TA7 (Ti-5Al-2.5Sn), TC4 (Ti-6Al-4V), thiab Ti-2.5Zr-1.5Mo, pom muaj zog ntxiv nrog txo qhov kub, thaum lawv cov plasticity tseem nyob ruaj khov. Lawv tuav zoo ductility thiab toughness ntawm qhov kub ntawm -196 txog 253 degree, tsis txhob txias brittleness, ua rau lawv zoo tagnrho cov ntaub ntawv rau cryogenic ntim, cia tank, thiab lwm yam khoom siv.
7. Muaj zog damping kuj. Piv nrog rau cov hlau thiab tooj liab, titanium nthuav tawm lub sijhawm ntev tshaj plaws ntawm kev vibration decay tom qab raug cov neeg kho tshuab lossis hluav taws xob vibrations. Cov cuab yeej ntawm titanium no tuaj yeem siv tau rau hauv cov ntawv thov xws li cov diav rawg, cov ntsiab lus vibrating hauv kev kho mob ultrasonic shredders, thiab diaphragms hauv siab - kawg lub suab nrov.
8. Lub zog tensile yog ze rau nws lub zog tawm los
Cov cuab yeej ntawm titanium no qhia txog nws cov txiaj ntsig siab zog piv (lub zog tensile / lub zog tawm los), qhia tias cov yas tsis zoo deformation thaum lub sij hawm tsim. Vim tias titanium muaj qhov sib piv loj ntawm cov khoom muaj zog rau elastic modulus, nws nthuav tawm siab springback thaum tsim.
9. Kev ua tau zoo ntawm kev hloov cua sov
Txawm hais tias cov thermal conductivity ntawm titanium qis dua cov pa roj carbon steel thiab tooj liab, nws cov corrosion kuj zoo heev tso cai rau cov phab ntsa tuab tuab heev. Tsis tas li ntawd, qhov chaw tshav kub pauv nrog cov chav tshwm sim los ntawm cov tee condensation, txo cov khoom siv hluav taws xob. Qhov tsis muaj scaling ntawm titanium nto kuj txo cov thermal tsis kam, uas ua rau muaj kev txhim kho kub hloov pauv tau zoo.
10. Tsawg Elastic Modulus
Lub elastic modulus ntawm titanium ntawm chav tsev kub yog 106.4 GPa, uas yog 57% ntawm cov hlau.
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