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Quality control of gas carbonitriding process
The quality control of the gas carbonitriding process is actually to control the carbonitriding potential of the gas carbonitriding process. It is easier to control the carbon and nitrogen potential in furnaces equipped with automatic control devices, but it is more difficult for most factories t...
Basic knowledge of brazing joints
Types of brazing joints Generally speaking, the difference between a satisfactory brazed joint pattern and a satisfactory one is the amount of overlap required to obtain a satisfactory joint. A strong soldered joint has a larger surface area wetted by the solder. However, too much overlap is detr...
Vacuum Aluminum Brazing
Common vacuum aluminum brazed components include heat exchangers, condensers and evaporators used in the automotive, aerospace, energy and other industries. Vacuum aluminum brazing process The vacuum aluminum brazing process usually takes a short time because the vacuum furnace evacuates and hea...
What Is Aluminum Vacuum Brazing
Vacuum aluminum brazing requires a careful balance between time, temperature and vacuum. Control of these parameters determines the success of the basic brazing process, including charging, heating, brazing joint cleaning, solder melting and discharging. Vacuum aluminum brazing is performed in a ...
Application of reducing atmosphere in vacuum sintering furnace
The reducing atmosphere processes commonly used in vacuum sintering include nitrogen process, formic acid process and nitrogen-hydrogen mixed gas process. The industry believes that when the oxygen content in the cavity is reduced to less than 100 ppm, it can ensure that no oxidation occurs durin...
Vacuum heat treatment process key points
Process principles of vacuum heat treatment processing technology Utilizing the phase-changing characteristics of metal in a vacuum state, there is no change in the thermodynamics and kinetics of solid-state phase transition in a vacuum that is only 0.1MPa different from the atmospheric pressure...
Why vacuum sintered diamond saw blades are recommended
In powder sintering, the sintering atmosphere is very important to ensure the smooth progress of sintering and the quality of the product. If the protective gas is not passed, both the saw blade tip and the matrix will be oxidized by oxygen in the air, causing the matrix to burn out and the mecha...
Vacuum Brazing of Aluminum Alloys and Brazing Materials
Aluminum steel or aluminum-iron composite panels combine the advantages of aluminum alloys such as light weight, good corrosion resistance and thermal conductivity, and high strength of steel or iron. They can be used in automobile manufacturing, power station air cooling equipment, aerospace thr...
Complex phase ceramic vacuum brazing
Multiphase ceramics are ceramic matrix composite materials prepared by uniformly mixing one ceramic material as the matrix phase and one or more ceramic or non-ceramic materials as the additive phase. Currently, the most widely used composite phase ceramics include SiO2-BN (SiO2+h-BN), ZS ceramic...
Advanced functional materials vacuum brazing applications
Advanced functional materials such as multiphase ceramics, fiber-reinforced ceramic matrix composites, and thermoelectric materials have properties such as high temperature resistance, thermal shock resistance, corrosion resistance, dielectric properties, and energy conversion properties. Therefo...