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Vacuum Heat Treatments for Steel
Low-alloy high-speed steel is a new type of steel that appeared in the late 1970s internationally. Due to the use of the latest contemporary alloying principles to determine a reasonable chemical composition, it has good performance and low quenching temperature. Moreover, because of the reductio...
Influence of vacuum heat treatment on tooth surface structure
Advantages of vacuum heat treatment Automobile transmission manufacturers have clear regulations on decarburization of gear teeth. Decarburization may cause problems such as low tooth surface hardness and non-martensitic structure on the tooth surface, which seriously affects the normal use of ge...
Vacuum Carburizing Technology of Automobile Connecting Rod
Vacuum carburizing technology, also known as low-pressure carburizing technology, is in a low-pressure (generally 0-30 mbar) vacuum state, using a pulse method to pass a carburizing medium – high-purity acetylene into a high-temperature furnace for rapid carburizing process. Advantages of v...
Vacuum sintering systems
Vacuum sintering is an important process in the production of powder metallurgy, ceramics, refractory, ultra-high temperature materials, etc. Its function is simply to use heat to densify the powder body. Different applications consider different mechanical properties, thermal conductivity, densi...
Applications of vacuum brazing
YG8 is a tungsten-cobalt material. WC-Co-based cemented carbide has high hardness, wear resistance, good thermal hardness and thermal conductivity, but its impact is low and the market price is expensive. It needs to be connected with steel to exert its excellent comprehensive performance. 0Cr13 ...
What is vacuum heat treatment technology?
Vacuum annealing, normalizing, vacuum quenching, vacuum tempering, quenching and tempering.Do you clearly distinguish these vacuum heat treatments? The role of vacuum heat treatment is to improve the mechanical properties of materials, eliminate residual stress and improve the machinability of me...
Substrate vacuum sintering characteristics
There are many ways to sinter substrates in microwave components, but there is a common problem that the sintered void rate is difficult to control, so that the product quality and performance cannot meet the predetermined requirements. The vacuum sintering method is adopted to solve the problem ...
Application and selection of vacuum sintering furnace
Vacuum sintering furnaces are often used in current experiments. The main purpose of vacuum sintering furnaces is for powder metallurgy products, metal injection molding products, stainless steel substrates, hard alloys, super alloys, high specific gravity alloys, ceramic materials, magnetic mate...
Improvement of Bolt Vacuum Hardening Crack
When the hardness of M24 bolts was tested after vacuum hardening and vacuum tempering, a large number of cracks were found. The material of the cracked bolt is 42CrMo steel, which has good hardenability, and its ideal critical diameter reaches 135 mm, which can be used to manufacture parts with h...
Mine pressure plate vacuum hardening
The pressure plate is the key part of the scraper conveyor. During use, it forms a scraper chain with the scraper, bolts, and chains. Driven by the power unit, the coal is transported to the ground. The pressure plate has been operated in the harsh environment of the underground for a long time. ...