Niobium rodyog cov khoom lag luam zoo li tus pas nrig ua los ntawm cov hlau. Hlau yog ib hom kev hloov pauv tseem ceeb hlau, nws cov tshuaj lom neeg yog Nb, atomic ordinal tooj yog 41. Nyob rau hauv lub sij hawm ntawm lub ntsiab lus, nws belongs rau pawg 5. Nws muaj siab melting point, lub zog, corrosion kuj, thiab zoo heev thermal conductivity. . Nws muaj peev xwm tswj tau cov superconductivity ntawm qhov kub tsis tshua muaj kub thiab yog cov khoom siv tseem ceeb hauv ntau qhov kev lag luam thiab kev tshawb fawb, thiab feem ntau yog siv rau hauv kev tsim cov hlau alloys thiab lwm yam kub kub alloys, nuclear tshuaj tiv thaiv pawg roj rods, hluav taws xob ntim, superconductors. , cov khoom siv semiconductor, thiab lwm yam. Nws tuaj yeem siv rau cov tshuaj reactors, lub tshuab nqus tsev vacuum, cov cua kub cua sov, thiab lwm yam kev ua haujlwm siab xws li cov khoom siv aerospace.
1. Tshuaj muaj pes tsawg leeg
|
Cov ntsiab lus, Max, Qhov hnyav% |
||||
|
Element |
Loj: R04200 |
Loj: R04210 |
Loj: R04251 |
Loj: R04261 |
|
Tsis siv neeg Niobium |
Tsis siv neeg Niobium |
(Reactor qib niobium-1% Zirconium) |
(Kev lag luam qib niobium-1% Zirconium) |
|
|
C |
0.01 |
0.01 |
0.01 |
0.01 |
|
O |
0.015 |
0.025 |
0.015 |
0.025 |
|
N |
0.01 |
0.01 |
0.01 |
0.01 |
|
H |
0.0015 |
0.0015 |
0.0015 |
0.0015 |
|
Fe |
0.005 |
0.01 |
0.005 |
0.01 |
|
Mo |
0.01 |
0.02 |
0.01 |
0.05 |
|
Ta |
0.1 |
0.3 |
0.1 |
0.5 |
|
Ni |
0.005 |
0.005 |
0.005 |
0.005 |
|
Si |
0.005 |
0.005 |
0.005 |
0.005 |
|
Ti |
0.02 |
0.03 |
0.02 |
0.03 |
|
W |
0.03 |
0.05 |
0.03 |
0.05 |
|
Zr |
0.02 |
0.02 |
0.8~1.2 |
0.8~1.2 |
|
Nb |
Tseem tshuav |
Tseem tshuav |
Tseem tshuav |
Tseem tshuav |
2. Mechanical Requirements
|
Qib (UNS) |
Annealed |
||
|
Tensile zog min, psi (MPa) |
Yield zog min, psi (MPa) (2%) |
Elongation min, % (1 nti gage ntev) |
|
|
R04200, R04210 |
18000 (125) |
10500 (73) |
15~20 |
|
R04251, R04261 |
28000 (195) |
18000 (125) |
15~20 |
|
R04220 (RRR qib) |
14000 (95) |
7200 (50) |
30 |
3. Niobium pas nrig yog ib hom ntshiab Niobium hlau-ua kem-zoo li tus pas nrig, suav nrog cov kauj ruam hauv qab no rau nws cov khoom tsim thiab ua.
1) Kev xaiv cov khoom siv high-purity Niobium raw cov ntaub ntawv, nruam melting thiab refining txheej txheem, mus rau zus tau tej cov niobium bar yuav tsum tau high-zoo Niobium hlau cov ntaub ntawv.
2) Cov khoom siv Niobium hlau zoo txiav kev ua tau zoo, kev kho cua sov thiab kev tsim cov hlau, thiab siv cov cylindrical niobium bar.
3) Thaum lub sijhawm tsim khoom, kev tswj hwm zoo tshaj plaws yog ua kom ntseeg tau, ua kom muaj txiaj ntsig zoo ntawm cov pas nrig niobium.
4. Niobium bar muaj cov yam ntxwv hauv qab no
1) Lub siab melting point: lub melting point ntawm ntshiab niobium pas nrig yog siab heev, txog 2,468 degree, uas muaj high-kub stability thiab lub zog.
2) Zoo corrosion kuj: Nws muaj corrosion kuj zoo tiv thaiv ntau yam tshuaj, kev muaj zog acid, muaj zog acid, thiab lwm yam.
3) Kev ua tau zoo txhua yam: Kev ua haujlwm zoo heev nrog niobium bar, kev ua haujlwm siab, thiab hardness.
4) High conductive thiab high conductive: Nws muaj qhov zoo tshaj plaws conductive thiab tshav kub tsis kam, haum rau kev tsim khoom siv hluav taws xob ntau.
5. Niobium bar muaj feem xyuam rau cov teb hauv qab no
1) Aerospace kev lag luam: Nws yog qhov kub thiab txias ruaj khov thiab lub zog tsim nyog rau qhov chaw aerospace hauv qhov chaw kub kub.
2) Kev lag luam tshuaj: Nws muaj kev tiv thaiv zoo heev rau ntau cov tshuaj, thiab tuaj yeem siv rau hauv kev tsim cov ntim tshuaj, cov kav dej, thiab lwm yam.
3) Electronics kev lag luam: Nws muaj cov khoom siv hluav taws xob zoo heev thiab kev ua haujlwm thermal, haum rau cov khoom siv semiconductor, cov khoom siv laser, thiab lwm yam.
4) Cov khoom siv kho mob: Nws tsis muaj tshuaj lom thiab tsis muaj kev phom sij rau tib neeg cov ntaub so ntswg, tuaj yeem siv rau kev tsim cov khoom sib txuas, lub plawv dhia, thiab lwm yam khoom siv kho mob.
Vim tias nws cov khoom siv tshuaj lom neeg thiab kev tiv thaiv corrosion, Niobium yog siv los tsim cov tshuab ua haujlwm siab, cov tshuaj tiv thaiv nuclear, superconductors thiab cov xov hlau saum ntuj ceeb tsheej. Niobium tuaj yeem siv rau hauv kev tsim cov hlau alloy, kub kub alloy, lub tshuab nqus tsev vacuum, radionuclear separators, thiab lwm yam, thiab yog dav siv nyob rau hauv lub zog, aviation, electronics, nkoj, tub rog thiab lwm yam kev lag luam.
Nyob rau hauv xyoo tas los no, niobium pas nrig yog cov hlau tseem ceeb, muaj ntau lub cev thiab tshuaj lom neeg zoo heev, thiab tau siv dav hauv ntau qhov chaw.
Cim npe nrov: Tuam Tshoj niobium pas nrig manufacturers, lwm tus neeg
