Tantalum Niobium qws
Niobium (Nb), yav tas los hu ua columbium, yog cov khoom siv tshuaj lom neeg nrog tus lej atomic ntawm 41. Nws feem ntau yog cov khoom siv hluav taws xob, grey, mos hloov hlau. Qhov chaw lag luam tseem ceeb ntawm niobium yog cov ntxhia pyrochlore.
Hauj lwm lawm
Niobium rods yog dav siv nyob rau hauv tshuaj, electronics, aerospace thiab lwm yam teb vim lawv siab melting point, corrosion kuj thiab zoo ua hauj lwm txias. Hauv niobium Qhov sib ntxiv ntawm tantalum rau niobium tuaj yeem txhim kho oxidation tsis kam thiab lub zog ntawm cov khoom.
Niobium thiab niobium alloy rods / bars yog siv los ua cov khoom siv rau aero-engines thiab foob pob ua ntxaij nozzles, raws li cov khoom siv sab hauv thiab txheej txheej rau reactors, nrog rau ntau yam corrosion-resistant qhov chaw nyob rau hauv corrosive tej yam kev mob ntawm nitric, hydrochloric los yog sulfuric acid.
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Khoom Description
Tshuaj muaj pes tsawg leeg
|
Element |
R05240 (Ta-40Nb) (%,Max) |
|
C |
0.01 |
|
O |
0.02 |
|
N |
0.01 |
|
H |
0.0015 |
|
Fe |
0.01 |
|
Mo |
0.02 |
|
Nb |
35.0–42.0 |
|
Ni |
0.01 |
|
Si |
0.005 |
|
Ti |
0.01 |
|
W |
0.05 |
Specification ntawm Niobium Qws / Bar
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txog peb
Tsim los ntawm 2008, lub tuam txhab tau loj hlob ntau xyoo dhau los ua cov chaw tsim khoom thiab cov khoom siv hlau ua haujlwm rau ntau yam kev lag luam. Lub tuam txhab tsis tu ncua nqis peev hauv kev tshawb fawb thiab kev tsim kho kom zoo dua qub thiab ruaj khov ntawm nws cov khoom. Lub tuam txhab tso siab rau cov neeg siv khoom txaus siab thiab paub txog kev muab cov khoom zoo thiab kev pabcuam zoo rau cov neeg siv khoom. Niaj hnub no, lub tuam txhab muaj lub ntiaj teb no nyob thiab pab cov neeg muas zaub nyob rau hauv lub teb chaws thoob plaws lub ntiaj teb no.
Cim npe nrov: Tuam Tshoj tantalum niobium pas nrig manufacturers, lwm tus neeg, Hoobkas
