AC9839 Alumina Crucible, Al2O3 Crucible Square, 95%, 30 mL

Alumina Crucible, Al2O3 Crucible Square, 95%, 30 mL Description

Alumina Crucible, Al2O3 Crucible Square, 95%, 30 mL is fabricated from chemically inert Al₂O₃ with a purity level of 95% and a controlled density between 3.7-3.9 g/cm³. The crucible exhibits a tensile strength of approximately 32 Kpsi and a compressive strength near 300 Kpsi. Its thermal conductivity of 25 W/(m·K) and operational capability up to 1 500 ℃ make it suitable for high-temperature processing, while its volume resistivity in excess of 10^14 Ohm·cm minimises electrical leakage.

Alumina Crucible, Al2O3 Crucible Square, 95%, 30 mL Applications

Industrial Processing
- Used as a containment vessel in high-temperature furnaces to achieve controlled material reactions by capitalising on its ability to withstand significant compressive stress.
- Applied as a reaction chamber in metallurgical treatments to maintain chemical inertness and dimensional stability under prolonged thermal cycles.

Analytical Laboratories
- Employed as a sample container during thermal analysis to maintain purity and prevent cross-contamination, benefiting from its high chemical inertness and stable density.
- Serves as a crucible in ceramic sintering studies to accurately mimic processing conditions through its verified thermal performance.

Materials Research
- Used as a test vessel in studies of high-temperature reactions to maintain material integrity by utilising its consistent tensile and compressive strength characteristics.
- Applied as a prototypical sample holder in research settings where controlled thermal gradients are critical for experimental repeatability.

Product Comparison

Alumina Crucible, Al2O3 Crucible Square, 95%, 30 mL Packing

The crucible is packaged in a cushioned, anti-static foam container to prevent physical damage and contamination. Each unit is sealed in a moisture-resistant pouch with clear labelling. Storage recommendations include a dry environment at room temperature away from direct sunlight. Custom packaging options, including compartmentalised inserts and printed documentation, are available to accommodate specific laboratory or industrial handling needs.

Frequently Asked Questions

Q1: What measures are taken during fabrication to control impurities in the alumina crucible?
A1: The production process incorporates controlled sintering cycles and surface inspections using electron microscopy. These methods monitor impurity levels and dimensional uniformity, minimising variations that could affect performance in high-temperature processes.

Q2: How does the specified density range affect the mechanical performance of the crucible?
A2: A density of 3.7-3.9 g/cm³ contributes to the crucible’s ability to withstand thermal and mechanical stresses. This range ensures that the material maintains its structural integrity during rapid temperature changes and high-pressure conditions.

Q3: Can the crucible be used in environments with rapid thermal cycling?
A3: Yes, the crucible is engineered to tolerate rapid thermal cycling up to 1 500 ℃. Its measured thermal conductivity and mechanical strength support its use in applications where frequent temperature shifts occur.

Additional Information

Alumina ceramics, formed primarily from Al₂O₃, are extensively studied within materials science due to their chemical inertness and high thermal stability. Their microstructural properties, influenced by sintering parameters and impurity control, determine performance in demanding environments such as high-temperature furnaces and analytical laboratories. Understanding these factors is crucial for developing materials that can reliably operate under extreme thermal and mechanical conditions.

Advances in ceramic processing techniques have broadened the use of alumina in various sectors. Research continues to optimise sintering processes and refine quality control methods, ensuring these materials meet the operational demands of contemporary industrial and research applications.