I. Cov yam ntxwv tseem ceeb ntawm Tantalum Ntawv Nyiaj
1. Lub cev muaj zog
High ceev: 16.6 g / cm³ (20 degree), hnyav heev.
Ultra{0}}siab melting point: Kwv yees li 2996–3020 degree, qeb plaub ntawm tag nrho cov hlau.
Tsawg coefficient ntawm thermal expansion: 6.6 × 10⁻⁶ / degree, siab ruaj khov nyob rau hauv drastic kub hloov.
Zoo thermal / hluav taws xob conductivity: Hluav taws xob conductivity kwv yees li 13.5% IACS, resistivity 13.5 µOhm·cm.
2. Cov khoom siv tshuaj
Muaj zog corrosion kuj:** Yuav luag tsis muaj kev cuam tshuam rau hydrochloric acid, concentrated nitric acid, aqua regia, thiab lwm yam, ua tsaug rau nws ntom thiab nws tus kheej- kho Ta₂O₅ passivation zaj duab xis.
Siab -kub stability:** Kev ruaj khov heev rau feem ntau cov tshuaj hauv qab 150℃. Muaj zog alkalis thiab hydrofluoric acid yog nws cov corrosive cov neeg ua haujlwm tseem ceeb, yuav tsum tau saib xyuas tshwj xeeb.
3. Mechanical thiab Machining Properties:
Cov ductility zoo heev: ** tuaj yeem dov rau hauv cov ntawv nyias nyias nrog lub thickness ntawm 0.001-0.025 hli, thiab nws yooj yim rau stamp, ncab, thiab ua rau cov duab nyuaj.
Elastic modulus:** Kwv yees li ntawm 185.7 GPa, nrog siab tawv.
Lub zog tensile (lub xeev annealed): 172-207 MPa, nrog lub zog nruab nrab hauv lub xeev mos.
4. Cov Khoom Siv Tshuaj lom neeg thiab lwm yam:
Biocompatibility zoo heev: Tsis yog - tshuaj lom, tsis muaj kev tsis lees paub hauv tib neeg lub cev, dav siv hauv cov khoom siv kho mob.
High Purity Qib: Cov khoom lag luam muaj purity ntau ntawm 99.95% txog 99.999%, ua tau raws li qhov xav tau ntawm ntau yam siab -kawg daim ntawv thov.
II. Cov cheeb tsam tseem ceeb ntawm daim ntawv thov
1. Kev lag luam Electronics thiab Semiconductor
Tantalum ntawv ci yog cov khoom tseem ceeb hauv kev tsim cov tantalum capacitors; nws cov oxide zaj duab xis ruaj khov, ua raws li cov txheej txheem dielectric, yog qhov tseem ceeb rau kev ua haujlwm capacitor. Nws kuj tseem siv los ua cov txheej txheem diffusion barrier hauv kev sib xyaw ua ke, lub hom phiaj sputtering, thiab cov khoom siv rau lub tshuab nqus tsev. High-purity (5N thiab siab dua) tantalum foil yog ib qho khoom siv tseem ceeb hauv cov txheej txheem siab heev.
2. Kev lag luam tshuaj thiab kev lag luam
Vim nws cov corrosion kuj zoo dua, tantalum ntawv ci yog dav siv los ua corrosion-cov ntaub ntawv tiv thaiv rau cov reactors, kub exchangers, thiab piping systems, tshwj xeeb tshaj yog ua tau zoo heev nyob rau hauv cov acidic ib puag ncig. Nws kuj yog siv los tsim cov fasteners, flanges, thiab lwm yam corrosion-cov khoom tiv thaiv.
3. Aerospace thiab Defense
Nws tsis tshua muaj siab melting point thiab stability ua rau nws haum rau foob pob ua ntxaij cav nozzles, missile Cheebtsam, nuclear reactor Cheebtsam, thiab hluav taws xob shielding txheej.
4. Kev kub siab thiab tshuab nqus tsev
Tantalum foil feem ntau yog siv rau hauv cov khoom cua sov, cov ntaub thaiv npog, thiab cov crucibles ntawm lub tshuab nqus tsev siab - qhov kub thiab txias, nrog rau kev tiv thaiv kev tiv thaiv hauv cov nkoj evaporation thiab cov kab hluav taws xob hluav taws xob.
5. Cov teb tshiab
Cov no suav nrog cov txheej txheem kho qhov muag, cov ntaub thaiv lub teeb hauv OLED kev tsim khoom, thiab cov khoom siv hluav taws xob rau cov khoom siv zoo nkauj kawg - kawg.
FAQ
Q: 1. Tus nqi lag luam tam sim no ntawm tantalum ntawv nyiaj yog dab tsi? Tus nqi tsis ntev los no yog dab tsi?
A: Raws li lub Tsib Hlis 2026, tantalum raw khoom tus nqi tau ruaj khov los ntawm yav dhau los "tantalum cua daj cua dub" siab thiab pib rov qab los. Raws li Mysteel cov ntaub ntawv tshaj tawm txhua lub lim tiam, tus nqi tam sim no ntawm tantalum oxide yog qhov ruaj khov ntawm 4200 yuan / kg, thiab tus nqi ntawm tantalum ingots (Ta Ntau dua lossis sib npaug li 99.95%) yog nyob rau hauv thaj tsam ntawm 6000-6100 yuan / kg. Raws li SMM kev tshuaj xyuas, kev lag luam tantalum tsis ntev los no tau mus txog qhov hloov pauv, nrog cov nqi qis dua thiab ruaj khov, thiab kev lag luam kev nce qib tau maj mam ua kom pom tseeb.
Saib rov qab ntawm qhov kev hloov pauv ntawm tus nqi no, txij li lub Kaum Ob Hlis 2025, tantalum tus nqi tau nce siab heev. Raws li thaum ntxov Lub Peb Hlis 2026, tus nqi nruab nrab ntawm tantalum ingots tau nce los ntawm 2800 yuan / kg rau 5200 yuan / kg hauv tsawg dua peb lub hlis, nce ntawm 85.7%. Tam sim no, cov nqi tau poob rov qab mus rau qib kev xav tau thiab muaj kev ruaj khov.
Lus Cim: Cov nqi saum toj no yog cov nqi siv rau cov khoom siv raw tantalum ingots / tantalum oxide. Tantalum foil nqi yog feem ntau ho siab dua cov nqi raw khoom vim yog yam xws li dov tawm los, ua precision, thickness thiab dav, thiab yuav ntim. Cov nqi tshwj xeeb yuav tsum tau nug nrog cov tuam txhab tsim khoom raws li kev qhia tshwj xeeb.
Q: 2. Dab tsi yog qhov tseem ceeb cuam tshuam rau tantalum foil nqi?
A: Tantalum foil nqi feem ntau muaj xws li "siab-purity tantalum ingot nqi + dov ua nqi amortization." Cov yam tseem ceeb cuam tshuam rau tus nqi muaj xws li:
* Thickness thiab dav: Ultra{0}} ntawv ci nyias (<0.025mm) or extremely narrow wide products are more difficult to process, and the price can potentially double.
* Qib Purity: Los ntawm qib kev lag luam (99.9%) mus rau qib semiconductor (99.9995%), purity siab dua ua rau cov nqi sib txawv ntau dua.
* Cov Lus Cog Tseg: Cov ntawv thov hluav taws xob- qib muaj cov kev cai nruj rau cov tuab tuab thiab qhov roughness (Ra < 20nm), thaum cov ntawv thov kev lag luam dav dav muaj kev ua siab ntev dua, ua rau muaj qhov sib txawv ntawm tus nqi tseem ceeb.
* Cov xwm txheej muab khoom: Annealed (mos) thiab nyuaj (Y) lub xeev muaj cov txheej txheem ua haujlwm sib txawv, ua rau tus nqi sib txawv.
* Kev yuav ntim: Cov khoom loj dua ua rau cov nqi qis dua.
Q: 3. Yuav ua li cas xaiv txoj cai Tantalum Ntawv Nyiaj? Cov ntsiab lus tseem ceeb dab tsi yuav tsum tau txiav txim siab thaum yuav khoom?
A: Thaum muas tantalum ntawv ci, cov ntsiab lus hauv qab no yuav tsum tau xav txog:
1. Daim ntawv thov -Poriented Priority:
Electronics / Semiconductors: Ua ntej siab purity (4N5 los yog siab dua), nruj me ntsis tswj cov pa oxygen, nitrogen, carbon, thiab alkali hlau impurities. Rau daim ntawv thov nti, qhov roughness ntawm tantalum ntawv yuav tsum ncav cuag Ra <5nm; rau siab - cov txheej txheem kawg, Ra < 2nm yuav tsum tau.
Tshuaj Corrosion Resistance: Ua kom pom tseeb ntxiv ntawm cov alloy muaj pes tsawg leeg thiab substrate flatness; purity tuaj yeem kho kom haum (99.9% -99.95%). Hom corrosive nruab nrab thiab qhov kub thiab txias yuav tsum tau txhais kom meej, thiab tus nqi corrosion ntawm tus neeg muag khoom cov khoom raws li cov kev mob no yuav tsum tau lees paub.
High-Tsuas siv: Kev khiav hauj lwm kub thiab cua (nqus / inert) yuav tsum tau txhais kom meej. Yog tias tsim nyog, Ta-2.5W lossis Ta-10W alloys tuaj yeem xaiv los txhim kho qhov kub thiab txias.
2. Precision and Tolerance – Sib phim rau daim ntawv thov scenarios
High- cov xwm txheej raug: Cov ntawv thov hluav taws xob muaj cov kev cai nruj rau cov tuab tuab thiab qhov roughness (Ra < 20nm). Micron-qib khawb, qhov, qhov chaw oxide, lossis cov khoom> 0.1μm tsis tso cai rau ntawm qhov chaw.
Cov xwm txheej tsis tu ncua kev lag luam: Kev ua siab ntev ntau dua yog qhov lees txais, nrog cov nqi sib txawv.
3. Batch Stability – zais tus nqi
Rau qhov loj - qhov kev yuav khoom loj (tshwj xeeb tshaj yog cov hom phiaj sputtering), qhov sib xws ntawm micro- qauv thiab kev ruaj ntseg ntawm impurity tswj ncaj qha cuam tshuam cov txiaj ntsig ntawm cov khoom qis. Tsis txaus purity yuav ua rau impurities tsim residues thaum lub sij hawm etching, ua rau luv luv Circuit Court los yog kev sib cuag tsis zoo nyob rau hauv interconnects, ncaj qha cuam tshuam rau nti tawm.
4. Kev lees paub ntawm kev xa khoom thaum xaj, nws yuav tsum tau qhia meej meej seb cov khoom puas nyob hauv "annealed (soft)" lossis "hard" xeev. Lub xeev Annealed (M) yog qhov tsim nyog rau kev tsim thiab sib sib zog nqus cov txheej txheem xws li stamping thiab ncab, nrog rau elongation txog li 30% -40%; lub xeev nyuaj (Y) muaj zog dua txhua yam, nrog lub zog ntawm lub xeev txias-dov mus rau ntau tshaj 800MPa, thaum tuav ntau tshaj 10% yas deformation muaj peev xwm.
Cov ntaub ntawv tiv tauj:
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