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Optimizing the sintering of alumina ceramics is the key to improve its density, mechanical properties and microstructure uniformity. The optimization suggestions are put forward from the aspects of ra
The optimization of alumina ceramic sintering requires comprehensive consideration of raw materials, forming process, sintering system and post-treatment. Through reasonable selection of additives, optimization of sintering curve and advanced sintering technology (such as SPS, HIP), high density and high performance alumina ceramics can be obtained.
Optical advantages and applications of SiC
Silicon carbide (SiC) has become the core material in the field of space observation and deep space exploration due to its high specific stiffness, excellent thermal stability and wide spectral response.
The invention relates to a silicon carbide and beryllium oxide composite ceramic with high density and high thermal conductivity, a preparation method and a process thereof
Pure beryllium oxide (BeO) belongs to the cubic crystal system with a density of 3.03 g/cm³ and a melting point of 2570℃. It has very high thermal conductivity, thermal conductivity is almost equivalent to copper, pure aluminum, thermal conductivity λ in the range of 200-250 W/(m · K), and has good thermal shock resistance
Aluminum nitride ceramic high temperature sintering design and verification, sintering temperature range (1200℃~1900℃) requirements, the best sintering temperature of 1600℃, reached 1600℃, oxidation r
Aluminum nitride ceramic is a kind of high temperature structural ceramic material with excellent performance, which has excellent comprehensive properties such as high temperature resistance, high strength, high hardness and corrosion resistance. However, in the sintering process of aluminum nitride ceramics, the crystal phase conversion phenomenon is easy to occur, which will lead to the reduction of its strength.
Reducing the bulge on the surface of precision ceramics requires the whole process control from material selection, process optimization to post-treatment
Give priority to improving the molding/sintering process for mass production; Small batches of high-precision parts can focus on CMP/ laser dressing. Through multi-dimensional collaborative optimization, precision ceramic surface roughness Ra≤0.05μm can be achieved to meet the needs of high-end applications.
Reducing the internal lamination of ceramic parts requires systematic optimization and suggestions from material preparation, molding process, sintering process and subsequent treatment
Lamination is a multi-factor problem in the preparation of ceramic parts, which needs to be solved by combining material science, process engineering and structural design.
Foreign advanced ceramic industry status!
Internationally, especially in the United States, Japan, Western Europe and other developed countries due to its modern industrial and high-tech industries developed, nearly two decades for the performance of the new generation of ceramics demand continues to increase, maintain an annual growth rate of nearly 5-8%, producing a number of international has a high reputation of advanced ceramics enterprises
Key materials of military equipment: How to seize the commanding heights of advanced ceramic materials
When it comes to the current market situation of advanced ceramics, in addition to the new energy field that the material industry is trying to get closer to, the military field is also a very hot market for advanced ceramics.
Inventory of advanced ceramic materials in the future focus on the development of 5 industries!
Advanced ceramics as an important structural/functional integration material, its unique performance is irreplaceable, in aerospace, new energy vehicles, semiconductors, high-end equipment and other emerging strategic industries and national defense industry has a huge application prospects, has an indispensable role, the application of key products is developing rapidly.
How can you ignore the excellent performance of alumina ceramics?
Due to the excellent performance of Al2O3 ceramics, the application field is more and more broad, and it plays an important value in the machinery, chemical, metallurgy, electronics, energy, environmental protection, aerospace, semiconductor and new energy vehicles and other industries.