Exhibitor Tour Guide

[Structural Ceramics]

It is an advanced ceramic material with excellent mechanical properties, which is used to withstand mechanical stress and work in high-temperature and harsh environments. The following is a detailed introduction about it:

Characteristics
-- High hardness: Its hardness is much higher than that of common metal materials. For instance, the hardness of silicon nitride ceramics can reach over HRA90, making it suitable for manufacturing wear-resistant components.

-- High strength: It features high compressive and flexural strength. For instance, the flexural strength of alumina ceramics can reach 300-500 mpa.

-- High-temperature resistance: It can maintain stable performance in high-temperature environments. Silicon carbide ceramics can be used for a long time at temperatures above 1600℃.

-- Anti-oxidation: It is not easily oxidized in the air and has good chemical stability.

-- Corrosion resistance: It has excellent resistance to corrosive media such as acids, alkalis and salts.

Category:

Oxide ceramics: mainly include alumina ceramics, zirconia ceramics, etc. Alumina ceramics have the characteristics of high hardness, high melting point and good insulation, and are widely used in mechanical processing, electronics and other fields. Zirconia ceramics have excellent toughness and high-temperature resistance, and are often used in ceramic cutting tools, aerospace and other fields.

Nitride ceramics: Common ones include silicon nitride ceramics, boron nitride ceramics, etc. Silicon nitride ceramics feature high strength, high hardness, excellent wear resistance and thermal shock resistance, and are often used in the manufacture of engine components, cutting tools, etc. Boron nitride ceramics possess excellent high-temperature resistance, insulation and lubricity, and can be used to manufacture high-temperature furnace linings, insulating and heat dissipation components for semiconductor devices, etc.

Carbide ceramics: such as silicon carbide ceramics, boron carbide ceramics, etc. Silicon carbide ceramics feature high hardness, high thermal conductivity, excellent wear resistance and thermal shock resistance, and have significant applications in high-temperature furnaces and kilns, semiconductor manufacturing and other fields. Boron carbide ceramics have the characteristics of high hardness and low density, and are an important bulletproof material.

Application:

In the machinery industry, it is used to manufacture cutting tools, grinding tools, bearings, seals, etc., which can enhance the wear resistance, corrosion resistance and service life of mechanical components.

Aerospace: Manufacturing engine blades, combustion chambers, thermal barrier coatings, etc., capable of withstanding the erosion of high temperatures, high pressures and high-speed airflows.

In the electronics industry, it is used as an integrated circuit substrate, electronic packaging material, ceramic capacitor, etc., taking advantage of its excellent insulation, thermal stability and high-frequency performance.

In the energy sector: such as electrolytes and electrode materials used for manufacturing solid oxide fuel cells, as well as nuclear fuel cladding for high-temperature gas-cooled reactors, etc.

Biomedicine: It is used to make artificial joints, dental implants, etc. With its excellent biocompatibility, corrosion resistance and high strength, it can replace damaged hard tissues in the human body.

[Functional Ceramics]

It is an advanced ceramic material with specific functions such as electricity, magnetism, light, heat and sound, and is widely used in fields such as electronics, communications, energy and optics. The following is a detailed introduction to functional ceramics:

Characteristics

-- Unique physical properties: It possesses excellent electrical, optical, magnetic and other properties. For instance, piezoelectric ceramics have a piezoelectric effect, enabling the mutual conversion between electrical energy and mechanical energy. Transparent ceramics have good optical transmittance.

-- Performance designability: By adjusting the composition of the material, the preparation process, etc., its performance can be precisely regulated within a certain range to meet the demands of different application scenarios.

-- Good stability: Under certain environmental conditions such as temperature, humidity and pressure, it can maintain the stability of its functional characteristics, and has good corrosion resistance, high-temperature resistance and anti-aging properties.

Classification

-- Electronic ceramics: including insulating ceramics, capacitor ceramics, piezoelectric ceramics, ferroelectric ceramics, etc. Insulating ceramics have characteristics such as high insulation resistance and low dielectric loss, and are used in insulating components of electronic devices. Capacitor ceramics are used to manufacture ceramic capacitors and have properties such as high dielectric constant. Piezoelectric ceramics can convert mechanical energy and electrical energy into each other and are widely used in fields such as sensors and drivers. Ferroelectric ceramics have ferroelectric effects and can be used for storing components, etc.

-- Optical ceramics: such as transparent ceramics, optical storage ceramics, laser ceramics, etc. Transparent ceramics have the characteristics of high light transmittance and low scattering, and can be used to manufacture high-pressure sodium lamp tubes, infrared Windows, etc. Optical storage ceramics can be used for optical information storage. Laser ceramics can be used as laser media to achieve the generation and amplification of lasers.

Magnetic ceramics: mainly include soft magnetic ceramics, hard magnetic ceramics, gyromagnetic ceramics, etc. Soft magnetic ceramics have characteristics such as low coercivity and high magnetic permeability, and are often used to manufacture magnetic components such as inductors and transformers. Hard magnetic ceramics have high coercivity and high residual magnetization intensity, and can be used to manufacture permanent magnets. Gyromagnetic ceramics have special gyromagnetic properties under the action of microwave magnetic fields and are applied in fields such as microwave communication.

Bio-ceramics: They have excellent biocompatibility and can be classified into bioinert ceramics, bioactive ceramics and biodegradable ceramics. Bioinert ceramics such as alumina ceramics and zirconia ceramics have good chemical stability and are often used in artificial joints, etc. Bioactive ceramics such as hydroxyapatite ceramics can form chemical bonds with human tissues and promote the growth of bone tissues. Biodegradable ceramics such as tricalcium phosphate ceramics can be gradually absorbed in the body and replaced by new tissues.

Application

In the field of electronic information, it is used to manufacture various electronic components, integrated circuit substrates, electronic packaging materials, etc., and is one of the key materials for the development of modern electronic technology.

In the field of communication, piezoelectric ceramics are used to manufacture communication components such as filters and resonators, while magnetic ceramics are employed in the production of microwave devices, which helps enhance the performance and stability of communication systems.

In the energy field, for instance, electrolyte ceramics in solid oxide fuel cells have excellent ionic conductivity and can achieve efficient energy conversion. Thermoelectric ceramics can be used for the mutual conversion of thermal energy and electrical energy, and have potential application value in energy recovery and utilization.

In the medical field, bio-ceramics are used to manufacture artificial bones, artificial teeth, drug sustained-release carriers, etc., which help repair and replace damaged tissues and organs in the human body, improving medical standards and the quality of life of patients.

Optical field: Optical ceramics are widely used in laser technology, optical communication, optical storage and other fields. For instance, laser ceramics are used to manufacture high-power lasers, and transparent ceramics are used to make optical Windows, lenses and other optical components.