Blog

This article provides a brief introduction to nano-composite zirconia ceramic coating, which is a special ceramic coating material with widespread applications and has well-established technology. The high-performance coatings can organically combine the high toughness, ease of processing, electrical and thermal conductivity of metal materials with the high temperature resistance, high wear resistance, and high corrosion resistance of ceramic materials, maximizing the benefits of the two.

The thermal conductivity of ceramic materials is influenced by their chemical composition, structure, density, sintering process, and other factors. Improving the thermal conductivity of ceramic materials will enhance their heat conduction, heat convection, and heat radiation capabilities, as well as further broaden their application fields.

This article provides a method for producing self-toughened silicon nitride ceramics using microwave solid phase synthesis technique, which significantly shortens the sintering time, lowers the sintering temperature, and is straightforward, inexpensive, and capable of mass production.

Using natural silicate mineral mud as the matrix and ZrO2, Al2O3, and MgO as additives, ordinary toughened ceramics can be produced. Through experiments, this article indicates that ceramics will have the best fracture toughness and corrosion resistance when the additive ratio of ZrO2:Al2O3:MgO is 5:3:3.

This article discusses the α-phase transition of alumina ceramics, explains how temperature affects the rate of alumina α-phase transformation, and provides measures to lower the phase transition temperature of α-alumina.

This article introduces the preparation and sintering methods of silicon nitride powder. The direct nitriding method of silicon powder is currently the widely used preparation method, and the hot isostatic pressing and the gas pressure sintering are popular among ceramic sintering methods because they can produce dense and uniform ceramics with complex shapes.

This article discusses hot isostatic pressing, a technique that can be used from metal powder consolidation to ceramic compaction, as well as additive manufacturing. It can raise the density of the products, enhance their mechanical properties, and increase production efficiency.

Slurry preparation is a key technology for producing alumina ceramics, as well as an important process that impacts the final properties of ceramics. Thus, it is essential to prepare a high-concentration alumina slurry with excellent fluidity, thixotropy, and stability.

Aluminum nitride has excellent performance, but it is easily hydrolyzed in a humid environment, which will lower its thermal conductivity and alter its physical and chemical properties. The major way to inhibit the hydrolysis of AlN powder is to coat a substance by chemical bonding or physical absorption on the surface of AlN particles, isolating them from water and preventing the hydrolysis reaction.