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Vacuum Heat Treatment Overheat & Hardening Defects
Vacuum heat treatment often presents the question of overheat or underheat, so what is overheat, what is underheat ? Shanghai Gehang Vacuum Technology Co., Ltd. is a manufacturer with 20 years of production, research and development, design of vacuum furnace, today let’s understand what is ...
Influence of brazing quality in vacuum brazing furnace
In the vacuum brazing furnace, in addition to the vacuum brazing parameters which have a serious impact on the quality of brazing joints, the following important factors also have a greater impact on the quality of brazing. 1. Leakage rate of brazing furnace The leakage rate of the vacuum brazin...
What factors affect the price of vacuum furnace
When choosing a vacuum heat treatment equipment, first understand the market price, so that in the procurement will be more economical and reasonable. Different manufacturers in the market, the price of vacuum furnace is also different, then its price is closely related to what factors? Different...
Preparation of metal matrix composites
In recent years, with the continuous development and progress of science and technology, traditional materials have been unable to meet the specific strength, specific stiffness and other performance requirements of a variety of industries. The research and development of high-performance materia...
Vacuum Heat Treatment And Quenching Advantages
By the rapid development of the vacuum heat treatment and high pressure gas cooling quenching technology, there appeared the high negative pressure gas cooling flow rate, pressure air cooled and high pressure gas cooling, new technologies, such as ultrahigh pressure gas cooling not only greatly i...
Preparation process of multilayer metal composite material
According to the different physical states of the members of the multi-layer composites during the preparation process, the preparation methods of the multi-layer composites can be roughly divided into three categories: solid-solid composite, liquid-solid composite, and liquid-liquid composite. P...
SPS spark plasma sintering system
Spark plasma sintering (SPS) technology, as a novel and effective rapid sintering technology, has been applied to the research and development of various materials. It combines plasma activation and hot pressing into one. It has the advantages of fast heating speed, short sintering time, rapid co...
Brief introduction of SPS spark plasma sintering mechanism
Spark plasma sintering (SPS) is a rapid sintering method that uses axial force and pulsed current to heat and solidify powder at a high speed under low atmospheric pressure. This heating method can apply a very high heating temperature, can greatly increase the density (see the figure below), and...
Operating And Maintenance Of Quenching Oil In Double Chamber Vacuum Oil Quenching Furnace
1. Matters needing attention when using new oil in the whole oil tank Precautions for the use of quenching oil in the VOGQ-669-2 double-chamber vacuum oil quenching furnace must be carefully checked and cleaned before pouring new oil into the quenching oil tank, cooling system and oil storage box...
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...