-
Aluminum nitride (AlN) is a new type of ceramic material with excellent comprehensive properties. It has excellent thermal conductivity, reliable electrical insulation, low dielectric constant and dielectric loss, non-toxicity and thermal expansion coefficient matching with silicon. The excellent characteristics of the series are considered to be ideal materials for a new generation of high-concen...
Read More
-
1. Overview of ultrafine powder 1.1 Definition of ultrafine powder There is no completely consistent statement about the particle size boundaries of ultrafine powders. Due to the difference in the use, preparation method and technical level of ultrafine powders in various countries and industries, the particle size of ultrafine powders is divided. For example, the particle size of ultrafine powder...
Read More
-
Since ultrafine powder has surface effect, small size effect, quantum effect and macroscopic quantum tunneling effect, it has many special properties in catalytic, optical, magnetic and mechanical properties compared with crystalline materials of the same composition. There are many important applications in the fields of medicine, microelectronics, and nuclear technology. "Plasma milling" refers ...
Read More
-
The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
Read More
-
The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
Read More
-
The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
Read More
-
First, capsule modification Capsule modification is a surface modification method in which a film of a uniform thickness and a film having a certain thickness is coated on the surface of the powder particles. Rong et al. encapsulated TiO2 composite particles coated with Al2O3 and SiO2 with polystyrene, which effectively improved the absorbance and stability of the material. Zhu Liqun and other met...
Read More
-
The application of nanomaterials in surface engineering is mostly to stabilize the nanoparticle dispersion in the organic medium. For example, the workpiece is ground and the antifriction material is dispersed in the lubricating oil in an appropriate manner. The ultrafine polishing liquid is nanometer SiO2, nanometer. Lubricants for nanoparticles such as Al2O3, nano-MoS2, nano-Cr2o3, and nano-diam...
Read More
-
Titanium is a chemical element, chemical symbol Ti, atomic number 22, located in the fourth cycle of the chemical periodic table, group IVB. It is a silver-white transition metal characterized by light weight, high strength, metallic luster and resistance to wet chlorine gas. The most common compound of titanium is titanium dioxide, which can be used to make white pigments. In the past, people use...
Read More
-
The granular shape of titanium powder includes spherical, polygonal, sponge, and flake shapes. The granular shape is related to the method of preparing titanium powder. The requirements for titanium powder generally include three aspects, namely purity, particle size and granular shape. Titanium powder is divided into 4 grades. The size of 1000-50um is coarse powder, 50-10um is fine powder, 10-0.u...
Read More
-
Nano titanium dioxide transparent dispersion adopts international advanced dispersion technology to disperse nano-titanium dioxide powder (5-30nm) in aqueous phase medium to form highly dispersed, uniform and stable nano-titanium dioxide aqueous transparent dispersion. In addition to the characteristics of nanometer titanium dioxide transparent dispersions, nanometer titanium dioxide transparent d...
Read More
-
Nano alumina water dispersion is our company adopts international advanced dispersion technology to disperse nano-alumina powder (20-30nm) in water phase medium to form highly dispersed, homogenized and stabilized nano-alumina water dispersion. liquid. In addition to the characteristics of aluminum oxide water dispersion, nano alumina water dispersion has the characteristics of higher activity and...
Read More