Khoom Description
Niobium rodsMuaj ntau yam kev siv, feem ntau hauv kev lag luam chemistry, electronics, aviation thiab aerospaceCov hauv qab no yog cov kev siv tseem ceeb ntawm niobium rods: High melting point, corrosion resistance, zoo txias ua hauj lwm: Niobium rods yog dav siv nyob rau hauv tshuaj, hluav taws xob, aviation. thiab aerospace teb vim lawv qhov siab melting point, corrosion kuj, zoo txias ua hauj lwm kev ua tau zoo thiab lwm yam ntxwv Piv txwv li, niobium thiab niobium alloy tuav yog siv raws li structural cov ntaub ntawv thiab foob pob ua ntxaij nozzles rau aero engine, sab hauv Cheebtsam thiab lub tes tsho rau reactors, ntxiv rau. ntau yam corrosion-resistant qhov chaw uas tiv taus nitric, hydrochloric los yog sulfuric acid corrosion.
Cov khoom parameter
| Molecular Luj | 92.9 |
| Qhov tshwm sim | Nyiaj |
| Melting Point | 2468 degree |
| Boiling Point | 4 742 ygo |
| Qhov ntom | 8.57 g / cm²3 |
| Solubility hauv H2O | N/A |
| Hluav taws xob Resistivity | 12.5 microhm-cm @ 0 degree |
| Electronegativity | 1.6 Paulings |
| Kub ntawm Vaporization | N/A |
| Poisson tus ratio | 0.4 |
| Tshwj xeeb kub | 0.064 Cal/g/K @ 25 degree |
| Tensile zog | N/A |
| Thermal conductivity | 0.537 W/cm/K @ 298.2 K |
| Thermal Expansion | 7.3 µm/(m·K) |
| Vickers Hardness | 1320 MPa |
| Young's Modulus | 105 GPa |
Cov khoom sib koom tes duab
1.Niobium rodstuaj yeem siv los txhim kho oxidation tsis kam thiab lub zog: Qhov sib ntxiv ntawm zirconium rau niobium tuaj yeem txhim kho oxidation tsis kam thiab lub zog ntawm cov khoom, uas ua rau niobium thiab niobium-zirconium alloy xov hlau dav siv nyob rau hauv kev tsim cov high-pressure sodium teeb thiab anode. cov electrolytic capacitor. Siv nyob rau hauv steel, metallurgy, chemistry, electronics thiab lwm yam kev lag luam: Niobium hlau muaj ib tug series ntawm zoo heev cov khoom xws li siab melting point, tsis muaj vapor siab, zoo txias ua hauj lwm, siab tshuaj stability, muaj zog ua hauj lwm rau cov kua hlau thiab acid thiab alkali corrosion. , me me thermal neutron capture cross section, thiab lwm yam, thiab yog siv rau hauv steel, metallurgy, chemistry, electronics, cemented carbide, atomic zog thiab aerospace kev lag luam, niaj hnub kev tshawb fawb thiab cov khoom siv kho mob ua kom kub-resistant khoom: Niobium tuaj yeem tiv taus kub, muaj lub zog zoo thiab rigidity, thiab yog cov khoom siv zoo rau kev ua cua sov qhov chaw, thermal rwb thaiv tsev qhov chaw thiab cov khoom siv them nyiaj rau lub tshuab nqus tsev kub kub.
Cim npe nrov: Tuam Tshoj niobium pas nrig manufacturers, lwm tus neeg, Hoobkas