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low pressure vacuum carburizing advantages and disadvantages
Low pressure vacuum carburized parts have the general advantages of vacuum heat treatment, compared with ordinary carburized parts, they have more advantages as follows: 1. Good surface quality: the vacuum carburized surface does not oxidize or decarburize, which can keep the metal color; does no...
Low pressure vacuum carburizing equipment
As a method of chemical heat treatment, carburizing heat treatment has many advantages, such as deep carburizing layer, wide application, low base material price and so on. However, due to the process realization process, carburized parts need to do a lot of follow-up processing to meet the subse...
Common quenching oil and vacuum quenching oil
Quenching oil is a kind of quenching medium used in heat treatment and quenching process. It is suitable for high temperature or continuous operation. However, there are differences between ordinary quenching oil and vacuum quenching oil. The differences between vacuum quenching oil and ordinary ...
High temperature sintered oxide ceramics
The melting point of oxide ceramics is more than 2000 ℃, and the firing temperature is about 1800 ℃; the single-phase polycrystal structure, sometimes with a small amount of gas phase; the strength decreases with the increase of temperature, and keeps high strength under 1000 ℃, with little chang...
special ceramics properties and functions
The properties of special ceramic materials are determined by two factors. First of all, the material structure, the main chemical bond property crystal structure. They determine the properties of ceramic materials, such as high temperature resistance, semiconductor and insulation. Secondly, micr...
special ceramics in automobile application and development
At present, the application of special ceramic materials in automobile has made important progress. They mainly have the following aspects. 1、 Application of ceramic automobile engine New ceramic silicon carbide, silicon nitride and other inorganic non-metallic sintering. Compared with the previ...
Production process of silicon carbide products
Two hot pressing processes of SiC products Silicon carbide products can be produced by hot pressing. There are mainly two different hot pressing processes: thermoplastic pressing and slow diffusion principle. 1 thermoplastic pressing Silicon carbide materials are related to the plasticity of mate...
Silicon carbide material
What are the applications of silicon carbide as refractories? Silicon carbide refractories have special properties, which determines that they can be used in different conditions and fields. It is mainly used in the following fields: 1. Application of silicon carbide as refractories in ferrous me...
Sintering method of SiC ceramic products
A comprehensive overview of silicon carbide products What is silicon carbide product? How to use silicon carbide products, we first need to define silicon carbide, and then know the components of silicon carbide products, which processes to use? Here’s a brief introduction Silicon carbide i...
The protection effect of vacuum heat treatment on the interior and surface of workpieces
The protection effect of vacuum heat treatment on the interior and surface of workpieces Vacuum heat treatment is a new type of heat treatment technology combining vacuum technology and heat treatment technology. The vacuum environment of vacuum heat treatment refers to the atmosphere environment...