INNOVACERA | technical ceramic solutions

Boron nitride ceramics are known for their high-temperature resistance, electrical insulation, thermal shock resistance, low friction, and good machinability. Even so, they are not uniform materials with fixed properties for industrial use. Depending on the BN content, secondary phases, and manufacturing processes, different BN-based material systems can be developed. In addition to high-purity boron nitride, boron nitride composite ceramics can be produced by mixing boron nitride with aluminum nitride, silicon carbide, zirconia or alumina. Changing the material ratio helps balance thermal conductivity, mechanical strength, thermal shock resistance, insulation performance and machinability.   For this reason, boron nitride ceramic selection does not depend solely on whether the material is boron nitride-based. The key is whether its composition and practical performance fit the actual working conditions.     I. Why boron nitride is available in high-purity and composite ...

  Technical ceramics  generally have excellent corrosion resistance, this mainly depends on their chemical composition and microstructure. The chemical composition of ceramic determines the type and extent of its reaction with corrosive media. The microstructure, including grain size, porosity, microstructure, etc., also significantly affects the corrosion resistance of technical ceramics. So they are highly resistant to chemical attacks and do not easily react with aggressive substances. This property makes them suitable for various applications in corrosive environments, such as in the chemical industry, oil and gas industry, marine applications, and electric power generation. Also, technical ceramics have low porosity, high density, and excellent thermal stability, which enhance their corrosion resistance.    In addition to the characteristics of the material, we can also improve the corrosion resistance of the material in the following ways:   1. Surface tre...

Source: https://www.innovacera.com/news/fragile-ceramic-parts.html As we all know, advanced ceramics are special material with a variety of physical properties. They as structural ceramics and functional ceramics apply in machinery, electronics, chemical industry, metallurgy, energy, aerospace and many other fields. But ceramics have an obvious disadvantage-fragility. The main reason is that the toughness of most ceramics is low, which leads to an increase in brittleness. There is a ceramic - zirconia with high toughness. It is formed by thousands of unit cells to form crystals. It then undergoes high-temperature phase transformation to form microcrystalline ceramics so that the ceramics have excellent wear resistance and drop resistance and high-temperature resistance. ZrO2 ceramic products are white. When the ceramic contains other impurities, the ceramic is grey or yellow. Commonly used moulding processes are injection and dry press. They are usually made into crucibles, mobile phon...