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Application of Reaction Sintered SiC-B4C Ceramic Materials
Reaction sintered silicon carbide (RBSiC) is a process in which liquid silicon infiltrates into a carbon-containing body at high temperature, and reacts with carbon to form silicon carbide, so that the body can be sintered. The preparation of silicon carbide by the reaction sintering process inhe...
Vacuum brazing of locomotive aluminum exchanger
With the development of economy, my country has increased the speed of train transportation five times in a row, so the requirements for the heat exchanger of locomotives are getting higher and higher. The traditional locomotive heat exchanger is made of copper alloy. Since the density of aluminu...
Carburizing Process Introduction
Carburizing refers to the process of infiltrating carbon atoms into the surface layer of steel. It is also to make the work-piece of low carbon steel have the surface layer of high carbon steel, and then through quenching and low temperature tempering, so that the surface layer of the work-piece ...
Heat Treatment of Buick Automatic Transmission Parts on Low Pressure Vacuum Carburizing Furnace
Due to the material selection and shape design of some parts of Buick sedan 4T65E transmission, the heat treatment deformation is difficult to control, and the most typical ones are thin-walled parts such as the final deceleration sun gear shaft. The part is made of SAE 4130 annealed welded seaml...
Sub-temperature annealing heat treatment process
Sub-temperature normalizing heat treatment Sub-temperature normalizing refers to the heat treatment process in which hypoeutectoid steel is heated between Ac1 and Ac3 temperature and air-cooled after heat preservation (see Figure). After the hypoeutectoid steel is hot processed, the hardness of t...
Some Opinions on Material Change in Pressure Vessel Manufacturing
How to select the correct materials is the first issue to be resolved in the design and manufacture of pressure vessels, and it is also a very important aspect. Once the material is selected incorrectly, it will leave a greater hidden danger to the safe operation of the container. Therefore, in t...
Tips for daily use and maintenance of vacuum furnace
As there are many types and types of vacuum furnaces, the maintenance and repair items are different. The maintenance and inspection content should be based on the furnace technical documents and can be divided into each furnace, daily, monthly, semi-annual and yearly Projects underway. SIMUWU ha...
Vacuum heat treatment process for bearing steel
The full name of bearing steel is rolling bearing steel. It has high compressive strength and fatigue limit, high hardness, high wear resistance and certain toughness, good hardenability, and extremely strict control of sulfur and phosphorus. It is a high-quality steel. Most of the bearing steels...
Daily emergency measures for vacuum sintering furnace
The vacuum sintering furnace is mainly used for the sintering process of semiconductor components and power rectifier devices. It can be used for vacuum sintering, gas shielded sintering and conventional sintering. It is a novel process equipment in the series of special equipment for semiconduct...
What are the precautions for the use of vacuum tempering furnace
1. Should avoid heat treatment products, especially copper, aluminum, zinc, tin, lead, etc., from contacting electric heating elements, whether it is fine powder, molten liquid or steam, etc., to prevent corrosion and formation of “pits” on the surface of the electric heating body. It...