Vacuum Furnace Vacuum Furnace Technology Frontiers

Sintering process of silicon nitride ceramics

The current methods to improve the thermal conductivity of Si3N4 ceramics mainly include: (1) using high-purity Si3N4 powder or Si powder with lower oxygen content as raw material; (2) selecting effective non-oxide sintering aids; (3) optimizing the sintering process Or perform vacuum annealing h...

Vacuum heat treatment process optimization of reducer gear shaft

1) The depth of the surface carburized layer is 0.8 mm~1.2 mm, the depth of the surface hardened layer is 1.7 mm~4.0 mm, and the surface hardness reaches above HRC55 to ensure excellent wear resistance and contact fatigue resistance; 2) The hardness of the core is HV350~420, ensuring that the cor...

Vacuum Heat Treatment for Gear Manufacturing

Gears are one of the most widely used important parts in the machinery industry. They are mainly used to transmit power and change the speed and direction of motion. The selection of gear materials should be comprehensively considered from the aspects of gear working conditions, failure modes and...

Application example of vacuum heat treatment technology in mold

Strengthening and toughening heat treatment technology for large mold Large-scale molds adopt strengthening and toughening heat treatment processes, such as high-temperature quenching, vacuum quenching, etc., to obtain higher mechanical properties and service life. After the large mold is vacuum ...

Powder metallurgy gear manufacturing process

Powder metallurgy is an advanced process for manufacturing gears, which utilizes metal powder and powder metallurgy equipment to manufacture gears. The following is the general process flow of powder metallurgy gear manufacturing: 1.Material preparation Select the appropriate metal powder as raw...

Vacuum Furnaces Leaks and Detection Techniques

For the leak detection of the vacuum heat treatment furnace, it includes two parts: the furnace body and the vacuum system. After the furnace body and the vacuum system are assembled, no matter how reliable the seal is, there will always be air leakage in general. The gas leakage rate of the vacu...

Process optimization of alumina ceramic sintering technology

Vacuum sintering technology of alumina ceramics. Pure alumina ceramics have a very high melting point, and the sintering temperature can be as high as 1800°C. High sintering temperature not only consumes a lot of energy, but also has many defects in the structure of the sintered ceramic parts, wh...

Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics

Features of Magnesium Oxide: Magnesia ceramics have a large coefficient of thermal expansion, a melting point of 2800°C, and good insulation. High-purity magnesia ceramics have strong corrosion resistance to metals and alkaline solutions, and are used as crucibles for melting high-purity iron an...

Vacuum Brazing solutions for Cutting and Grinding Tools

Cutting and grinding tools refer to the knives used by mining machinery to cut coal and rock. Working under complex and changeable working conditions is the part with the greatest loss in the construction of rotary drilling rigs. The failure forms of cutting and grinding tools mainly include allo...

Alumina ceramic densely sintered

With the improvement of the production level, alumina ceramics have also been favored in the optical field in recent years. When the alumina ceramics are fully densified, the light transmittance is greatly improved and it is translucent. It can be used to replace single crystal sapphire and make ...