AC9826 Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 5 mL

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 5 mL Description

This Alumina Crucible is produced from 99% pure Al2O3, ensuring a chemically inert environment for high-temperature reactions. Its cylindrical form and 5 mL capacity support controlled sample processing. The documented tensile strength of ~262 MPa and compressive strength of ~2 068 MPa guarantee mechanical endurance during thermal cycling. The reported thermal conductivity and high volume resistivity allow for uniform heat distribution and minimal electrical interference, essential for precision experiments.

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 5 mL Applications

1.       Industrial Processing
   - Used as a reaction container in ceramic and metal processing to achieve uniform heating by leveraging its thermal conductivity.
   - Applied as a high-temperature sample holder in chemical synthesis to ensure inert reaction conditions through its high purity and structural strength.

2.       Laboratory Experiments
   - Serves as a melting crucible in material research to provide controlled temperature exposure and prevent contamination by utilising its chemical inertness.
   - Frequently used for thermal analysis in research facilities to support accurate measurements under controlled experimental conditions.

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 5 mL Packing

The crucible is secured within a padded, anti-static enclosure to prevent physical impacts and contamination. It is wrapped in high-purity barrier films and enclosed in a sealed box to mitigate moisture exposure. Storage in a dry and temperature-controlled environment is recommended to preserve material integrity. Customised packaging with additional cushioning or compartmentalisation can be arranged to meet specific transportation or storage needs.

Frequently Asked Questions

Q1: How does the thermal conductivity of 30 W/(m·K) influence crucible performance?
A1: The thermal conductivity of 30 W/(m·K) facilitates even heat distribution during processing, reducing the risk of localised hot spots. This uniformity is important to maintain material consistency and minimise thermal stresses during high-temperature operations.

Q2: What is the impact of having a volume resistivity greater than 10^14 Ohm·cm?
A2: A volume resistivity of >10^14 Ohm·cm ensures minimal electrical conduction, which is crucial for processes that require non-conductive conditions. This property prevents electrical interference, particularly in experiments where electrical measurements are sensitive.

Q3: Are there precautions for handling rapid temperature changes with this crucible?
A3: The crucible is designed for high-temperature applications; however, gradual temperature changes are advised to avoid thermal shock. Rapid fluctuations can induce stress, which may compromise the microstructure and overall performance of the material.

Additional Information

Alumina ceramics are extensively studied due to their excellent thermal stability and chemical inertness, characteristics that make them indispensable in high-temperature environments. Research into the microstructural behaviour of alumina provides valuable insights into optimising its performance for demanding industrial and laboratory applications.

Advances in ceramic processing have enhanced the capability to measure and control material properties accurately. Detailed characterisation techniques such as scanning electron microscopy and thermal analysis facilitate better predictions of behaviour under extreme conditions, thus expanding the potential for alumina-based components in sophisticated material synthesis and processing technologies.