Overview
Titanium(III) oxide rod, or Ti2O3 rod, is a specialized ceramic material with unique electrical and thermal properties. It's part of a family of titanium oxides that exhibit varying oxidation states, with Ti2O3 representing the +3 state. The material is particularly valued for its stability at high temperatures and in corrosive environments. Industrial production of titanium(III) oxide rods typically involves high-temperature sintering processes that create dense, polycrystalline structures. The rods are manufactured in various diameters and lengths to suit different industrial applications, with surface finishes ranging from as-sintered to precision-ground.
Physical and Chemical Properties
Titanium(III) oxide rods are characterized by their dark coloration, ranging from black to deep purple depending on purity and crystal structure. The material has a corundum-type crystal structure (α-Al2O3 structure) which contributes to its thermal stability and mechanical strength. Electrically, Ti2O3 exhibits interesting properties - it's a semiconductor at room temperature but undergoes a metal-insulator transition at around 400-500K. The material maintains good chemical stability in most environments, though it can oxidize to TiO2 at high temperatures in the presence of oxygen.
Main Applications
The primary use of titanium(III) oxide rods is in high-temperature applications where conventional metals would fail. They serve as electrodes in specialized electrochemical cells and as components in high-temperature furnaces. The semiconductor industry utilizes these rods in certain deposition processes. In research settings, Ti2O3 rods are valuable for studying metal-insulator transitions and correlated electron systems. Some advanced battery technologies are exploring their use as electrode materials due to their unique electronic properties and stability.
Safety and Storage
While titanium(III) oxide is generally stable, precautions should be taken with powder forms which may present inhalation hazards. The rods themselves are relatively safe to handle, though proper personal protective equipment should be used when machining or processing the material. Storage recommendations include keeping the rods in a dry environment, preferably under inert gas when long-term storage is required. The material should be protected from moisture and extreme temperature fluctuations to prevent surface oxidation or degradation of properties.
B2B Procurement Guide
When sourcing titanium(III) oxide rods, buyers should clearly specify purity requirements (typically ranging from 99% to 99.9%), dimensional tolerances, and surface finish specifications. Lead times can be significant due to the specialized manufacturing processes involved. Quality verification typically includes certification of chemical composition, density measurements, and sometimes electrical property testing. Larger diameter rods and higher purity grades command premium pricing. Buyers should establish relationships with specialized ceramic manufacturers rather than general metal suppliers.
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