1. Product Composition and Structural Residence
1.1 Alumina Content and Crystal Phase Advancement
( Alumina Lining Bricks)
Alumina lining blocks are thick, crafted refractory ceramics largely made up of aluminum oxide (Al â‚‚ O TWO), with material usually ranging from 50% to over 99%, straight affecting their performance in high-temperature applications.
The mechanical stamina, corrosion resistance, and refractoriness of these bricks boost with higher alumina concentration as a result of the development of a durable microstructure controlled by the thermodynamically steady α-alumina (diamond) phase.
During manufacturing, forerunner materials such as calcined bauxite, integrated alumina, or synthetic alumina hydrate undertake high-temperature shooting (1400 ° C– 1700 ° C), promoting phase makeover from transitional alumina types (γ, δ) to α-Al Two O FOUR, which exhibits extraordinary firmness (9 on the Mohs scale) and melting factor (2054 ° C).
The resulting polycrystalline structure contains interlacing diamond grains embedded in a siliceous or aluminosilicate glazed matrix, the structure and volume of which are very carefully managed to stabilize thermal shock resistance and chemical sturdiness.
Minor additives such as silica (SiO TWO), titania (TiO TWO), or zirconia (ZrO TWO) might be presented to change sintering habits, boost densification, or enhance resistance to particular slags and changes.
1.2 Microstructure, Porosity, and Mechanical Stability
The efficiency of alumina lining bricks is seriously based on their microstructure, specifically grain dimension circulation, pore morphology, and bonding stage qualities.
Ideal bricks exhibit great, uniformly dispersed pores (closed porosity liked) and marginal open porosity (
Alumina Technology Co., Ltd focus on the research and development, production and sales of aluminum oxide powder, aluminum oxide products, aluminum oxide crucible, etc., serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services. If you are looking for high quality alumina silica, please feel free to contact us.
Tags: Alumina Lining Bricks, alumina, alumina oxide
All articles and pictures are from the Internet. If there are any copyright issues, please contact us in time to delete.
Inquiry us