95 alumina ceramic sample table

The 95 alumina ceramic sample table is a special ceramic bearing platform made of high alumina material with a purity of ≥ 95%, which is sintered at high temperature and precision machined. It is mainly used as a core sample support component in equipment such as material analysis, semiconductor heat treatment, vacuum coating, etc. It has excellent high-temperature electrical insulation, heat shock resistance, and extremely high mechanical strength, which can ensure that the sample remains stable, non polluting, and non deformed in environments above 1000 ℃. It is an indispensable high-precision “skeleton” in research institutes and industrial furnaces.

Q&A session: How can the 95 alumina ceramic sample table solve your testing problem?
Q: When conducting high-temperature mechanical experiments or heat treatment, ordinary metal supports always react or soften with the sample, leading to experimental failure. What should be done?
Answer: 95 alumina ceramics are chemically inert and do not react with acids or bases except for hydrofluoric acid and hot concentrated sulfuric acid. Using it as a sample stage can completely isolate metal contamination, and its temperature resistance of up to 1700 ℃ far exceeds the melting point of metals, ensuring that the sample is pure and safe at high temperatures.
Q: How to ensure that the sample stage will not explode due to rapid cooling and heating in a vacuum or high-pressure atmosphere furnace?
Answer: The 95 alumina ceramics prepared by our fine grain strengthening process have excellent thermal shock stability. It can withstand drastic temperature changes without cracking, has a low coefficient of thermal expansion (about 6.5-8.4 × 10 ⁻⁶/℃), and can perfectly adapt to various experimental conditions of rapid heating and cooling.
Q: What if a specific size or hole shaped sample table is needed to match the electrode or temperature measuring wire, and the standard products on the market cannot be used?
Answer: We support customized services for full-size and multi shape drawings. Whether it is a circular plate with precision threaded holes or a rectangular bracket with grooves, we can achieve it through dry pressing or isostatic pressing combined with CNC precision machining. The maximum size can be customized to 700mm to meet your non-standard design needs.

Core advantages of the product: not only for carrying, but also for ensuring precision testing

1. Excellent material performance
   Our 95 alumina ceramic sample stage strictly uses low sodium alumina powder raw materials, which have high bulk density (≥ 3.65g/cm ³) and near zero porosity (water absorption rate ≤ 0.01%). This not only ensures extremely low air release in high vacuum environments, but also endows it with extremely high surface hardness (HRA85-86), wear and scratch resistance, and a smooth and new appearance even after long-term use.
2. Ultimate flatness and precision
   The flatness of the sample stage is crucial for optical testing or thin film deposition fields. We can control the flatness of the sample stage within a very high precision range through double-sided grinding and polishing technology, ensuring uniform thermal field distribution during sample placement or consistent focal length during microscopic observation.
3. Flexible customized services
   We are well aware that standardized products cannot cover all cutting-edge scientific research needs. Therefore, we offer:
   -Size customization: from small circular plates the size of nail caps to large square plates.
   -Shape customization: circular, square, circular, stepped, and various shaped perforations.
   -Function customization: If electrodes need to be led out, reserved embedded metallization holes can be customized.

Customer application case sharing
Case: New Energy Materials Laboratory of a well-known university of science and technology
-Requirement background: When researching the high-temperature ion conductivity of solid-state battery electrolyte materials, the laboratory needs to build a testing platform in a tube furnace. The original quartz boat experienced crystallization after long-term operation above 1000 ℃, and had a slight adhesion reaction with the lithium containing electrolyte sample, resulting in deviation in test data and a high sample scrap rate.
-Solution: We have customized a high flatness 95 alumina ceramic sample table for it. The sample table is designed as a thin plate structure with an array of breathable holes, which ensures the stability of sample placement and facilitates atmosphere circulation. We have precisely controlled the external tolerance of the sample table based on its furnace size to ensure smooth picking and placing.
-Final effect: After replacing the sample stage, the laboratory feedback showed a significant improvement in test repeatability. Due to the high purity and chemical inertness of 95 porcelain, the sample no longer exhibits adhesion and contamination after sintering, and the surface of the sample table remains white and smooth. This batch of sample tables has been continuously used for over 6 months, undergoing hundreds of thermal cycles without any signs of deformation or cracking, greatly reducing the cost of experimental consumables and equipment downtime.

Whether used for demanding aerospace material testing or precision semiconductor heat treatment processes, the 95 alumina ceramic sample stage silently supports your every scientific breakthrough with its four characteristics of high temperature resistance, corrosion resistance, high insulation, and high hardness. We not only provide standard stock, but also excel at turning your drawings into reality.
If you are troubled by the deformation, contamination, or size mismatch of the sample holder, please feel free to communicate your specific needs with us, and we will provide you with the most professional customized solution!

Brudeze Ceramics supplies and sells a wide range of high-quality quartz glass, including alumina ceramics, zirconia ceramics, silicon nitride ceramics, aluminum nitride ceramics, silicon carbide ceramics, boron carbide ceramics, bioceramics, machinable ceramics, etc. We can meet the customization requirements of various ceramic products.