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Sintering Technology of Tungsten Carbide Ultrafine Cemented Carbide
Cemented carbide is mainly used in cutting tools, mining tools, molds and high-pressure and high-temperature rejection cavities, among which cutting tools and mining tools account for 33% and 25% of cemented carbide applications. Among cutting tools, cemented carbide is mainly used as tool materi...
Vacuum Furnace Maintenance Precautions
The vacuum furnace should be maintained in time during daily use. If the quality of the vacuum furnace is not good or there may be some minor problems without timely maintenance, then the following is to introduce some troubleshooting methods of the vacuum furnace. When the equipment suddenly fai...
Study On Carburizing and Quenching Process Of 20Cr2Ni4 Steel Gear
Shanghai Gehang Vacuum Technology Co., Ltd. uses 150KW drop pit type carburizing furnace to carburize and quench the gear. Its effective size is Φ1200×1200. The furnace is sealed with the furnace pot by the weight of the furnace cover itself (about 1 ton) and the asbestos tray root, eliminating t...
How to reduce the volatilization of pure copper solder in vacuum brazing process
Case :Vacuum brazing YG8 cemented carbide and 45 steel. The solder is brass. It is found that the brass volatilizes very strongly in the vacuum furnace and becomes pure copper. It is also found that the cemented carbide has a very strong deviation and volatilization. The copper is always welded t...
Advantages of vacuum furnace brazing
1. Vacuum brazing, because no flux is used, it significantly improves the corrosion resistance of the product , avoids all kinds of pollution, pollution-free treatment equipment costs and has good safe production conditions; 2. Vacuum brazing not only saves a lot of expensive metal fluxes, but al...
Application of discharge plasma sintering (SPS)
Spark Plasma Sintering (SPS) is a process by which metal and ceramic powders are loaded into a mold and applied by upper and lower die presses and electrified electrodes to the Sintering powder. The powder is activated by discharge, deformed by thermoplastic and cooled. It is a powder metallurgy ...
Ultra-fine crystal molybdenum alloy was prepared by SPS Sintering furnace
Molybdenum and molybdenum alloys have excellent high temperature mechanical properties, low coefficient of expansion and high coefficient of electrical conductivity and thermal conductivity. Molybdenum and molybdenum alloys are refractory metal materials with great application prospects and have ...
Ferritic Gas Carbonitriding Process
Shanghai Gehang Vacuum Technology Co., Ltd. has developed a ferrite gas carbonitriding process over the past ten years.This low-temperature heat treatment process, using specially controlled equipment, improves the wear and fatigue resistance of low carbon steels, alloy steels, cast iron and ferr...
Research status and development trend of spark plasma sintering technology
SPS technology research status Powder metallurgy technology has a series of advantages such as short process, energy saving, low cost, and less processing. It can freely assemble material structures to precisely control material properties, which is an important development direction of green man...
Selection and assembly positioning of fixtures for brazing
When selecting a fixture, the brazing method, brazing temperature, shielding gas, and base metal material properties should be considered simultaneously. Different brazing methods have different requirements. Specific examples are as follows: 1) During SIMUWU vacuum brazing process, the only limi...