AC9831 Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 215 mL

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 215 mL Description

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 215 mL is engineered from 99% pure alumina to offer excellent performance in high-temperature environments. Its 215 mL capacity allows for moderate volume processing, while the tensile strength of ~38 Kpsi and compressive strength of ~300 Kpsi support structural integrity under extreme loads. The thermal conductivity of 30 W/(m·K) and an operating limit of ≤1600 ℃ help manage heat distribution effectively. With a volume resistivity greater than 10^14 Ohm·cm, the ceramic material minimises electrical interference during processing.

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 215 mL Applications

Industrial Processing
- Used as a reaction vessel in high-temperature furnaces to achieve consistent thermal exposure by utilising its controlled thermal conductivity and mechanical strength.

Laboratory Analysis
- Serves as a container in chemical synthesis systems to maintain sample purity by utilising its high alumina content and minimal material reactivity.

Semiconductor Fabrication
- Applied as a crucible for melting and crystallisation processes to achieve controlled thermal gradients by capitalising on its dimensional stability and strong mechanical properties.

Product Comparison

Alumina Crucible, Al2O3 Crucible Cylindrical, 99%, 215 mL Packing

The crucible is secured in custom-moulded foam inserts within a hermetically sealed, anti-static box to protect against physical shocks and contamination. It is recommended to store the package in a temperature-controlled, low-humidity environment to preserve its material properties. Optional custom packaging solutions are available to accommodate specific handling and storage requirements.

Frequently Asked Questions

Q1: What testing methods verify the mechanical integrity of the crucible?
A1: The crucible undergoes high-temperature mechanical stress tests and laser micrometry inspections to confirm tensile and compressive strength. These assessments help ensure that the product can withstand rigorous operating conditions without dimensional changes or material degradation.

Q2: How does the crucible perform during thermal cycling in high-temperature operations?
A2: The alumina composition and controlled thermal conductivity allow the crucible to manage thermal gradients effectively. This design minimises thermal shock during successive heating and cooling cycles, maintaining structural and dimensional stability over prolonged use.

Q3: In what ways do material specifications influence process efficiency in semiconductor applications?
A3: The crucible’s precise dimensions, high purity, and stable resistivity reduce contamination risks and thermal inconsistencies. These factors are critical in semiconductor processes where material uniformity and controlled thermal profiles directly contribute to processing efficiency.

Additional Information

Alumina ceramics, such as those used in crucible designs, are integral to high-temperature processing due to their inherent chemical inertness and structural stability. The material undergoes stringent phase and microstructure evaluations to ensure performance consistency in demanding industrial environments. Research in alumina-based ceramics continues to refine their thermal and mechanical capabilities to better support advanced manufacturing processes.

The broader field of ceramic materials emphasises balancing thermal, mechanical, and electrical properties for applications ranging from laboratory equipment to industrial reactors. Understanding the interplay between these properties assists engineers in selecting ceramics that offer optimal performance under specific operational conditions, ultimately enhancing process reliability and product outcomes.