Types of Niobium Oxide Crucibles
Depending on the usage, there are two common types of Niobium Oxide Crucibles:
1. Ordinary Niobium Oxide Crucibles
This type of crucible is often used for experiments and preparations under high temperature conditions, such as high temperature thermal analysis, ceramic preparation, powder metallurgy, etc. Its main features are high temperature resistance, corrosion resistance, and no chemical reaction with the melt or sample.
2. Niobium Oxide Ceramic Crucibles
Compared with ordinary niobium oxide crucibles, niobium oxide ceramic crucibles have stronger mechanical strength and wear resistance. This crucible is usually used for the preparation and processing of melts, such as the melting of aluminum, iron, and copper, and the extraction of metals from minerals and natural ores. The advantage of niobium oxide ceramic crucibles is that they can withstand melts under high temperature and high pressure conditions, while also having stronger wear resistance and mechanical strength.
Product composition of niobium crucible
| Index | Nb1 | Nb2 |
| Nb | Balance | Balance |
| Fe | 0.004 | 0.01 |
| Si | 0.004 | 0.01 |
| Ni | 0.002 | 0.005 |
| W | 0.005 | 0.02 |
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