What is the difference between a vacuum sintering furnace and a regular sintering furnace?

There are significant differences between vacuum sintering furnaces and ordinary sintering furnaces in multiple aspects. The following will provide a detailed comparison and summary from the aspects of working principle, structural composition, processing characteristics, and application fields:

working principle
Vacuum sintering furnace:
Working in a vacuum or protective atmosphere environment.
By using a vacuum system to extract gas from the furnace, sintering can be achieved under high vacuum or specific atmospheres.
High temperature treatment of materials using methods such as resistance heating and induction heating.

Ordinary sintering furnace:
Working in a normal atmospheric environment.
High temperature is generated by heating elements such as resistance wires and gas to sinter the material.
Additional atmosphere control equipment may be required, but it is usually not as precise as vacuum sintering furnaces.

Structural composition
Vacuum sintering furnace:
Including furnace body, vacuum system (vacuum pump, vacuum valve, vacuum measuring device, etc.).
The heating system may include resistance heating, induction heating, etc.
The control system achieves precise temperature control and atmosphere control.

Ordinary sintering furnace:
It mainly consists of a furnace body, heating elements (such as resistance wires), and atmosphere control equipment (such as atmosphere valves, gas flow meters, etc.).
The control system realizes temperature control and basic atmosphere control.

Processing characteristics
Vacuum sintering furnace:
The sintering process is carried out under vacuum or specific atmosphere, effectively avoiding material oxidation and pollution.
Heating is uniform, temperature control is precise, and high-quality products can be obtained.
Suitable for scenarios with high requirements for material purity and performance.

Ordinary sintering furnace:
The sintering process is carried out in the atmospheric environment, and the material may be subjected to a certain degree of oxidation and pollution.
Heating and temperature control may not be as precise as vacuum sintering furnaces.
Suitable for scenarios where material purity and performance requirements are not high.

application area
Vacuum sintering furnace:
Mainly used for sintering and preparation of high-precision and high-quality materials such as ceramics, metals, and hard alloys.
Suitable for semiconductor, new energy materials, aerospace and other fields.

Ordinary sintering furnace:
Widely used in sintering and preparation of various materials, such as ceramics, metals, plastics, etc.
Suitable for general industrial production and laboratory research.

summary
There are significant differences between vacuum sintering furnaces and ordinary sintering furnaces in terms of working principle, structural composition, processing characteristics, and application fields. Vacuum sintering furnace has higher processing accuracy and product quality, suitable for scenarios with high requirements for material purity and performance; However, ordinary sintering furnaces have a wider range of applications, suitable for general industrial production and laboratory research. When selecting sintering equipment, it is necessary to choose according to specific processing needs and product quality requirements.