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SPS discharge plasma sintering furnace

SPS is sintered by discharge plasma and plasma processing technology. Plasma is a material state of matter under high temperature or specific excitation. It is the fourth state of matter except solid, liquid and gas. Plasma is an ionized gas, consisting of a large number of positively and negatively charged particles and neutral particles, and a quasi-neutral gas showing collective behavior.

Plasma is a high temperature conductive gas dissociated, which can provide a high reactive state. Plasma temperature 4000 ~ 109 At 99 ℃, the gaseous molecules and atoms in a heightened state of activation, and within the plasma ionization degree is high, these properties make plasma has become a very important material preparation and processing technology.


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Plasma processing technology has been applied in many applications, such as plasma CVD, low temperature plasma PVD and so on Plasma and ion beam etching. At present, plasma is mainly used in oxide coating and plasma etching, and it is also used in the preparation of high purity carbide and nitrogen powder. Another potential application area of plasma is the production of plasma in the sintering of ceramic materials by heating, discharging and light excitation. The plasma produced by discharge includes dc discharge, rf discharge and microwave discharge plasma. SPS USES a dc discharge plasma.

This product is a periodic operating electric furnace, which consists of furnace body, pressure system, heating power supply, heat shield, vacuum system and control system. The equipment includes a fully digital hydraulic control system with accurate speed/pressure control and optical position sensors. Double stainless steel design, water cooling furnace room, static and flowing process gas control system. The power generator generates programmable dc pulses to meet various personalized needs. Sintering temperature can reach 2400 ℃. All process parameters can be programmed and the sintering process can run automatically. The process control system can process the sintering process menu flexibly or record the process data flexibly through the complete data log for data analysis. In fact, the complexity of the control system of process without any limitation, that is, each process tasks can find solutions, our experts can from beginning to end to assist you in developing new sintering process and equipment, in order to promote the development of new materials and progress.

Discharge plasma sintering (SPS) is a kind of fast, low temperature, energy saving, environmental protection material preparation technology, can be used for the preparation of metals, ceramics, nano materials, amorphous materials, composite materials, gradient materials.
 At present, researches on the preparation of new materials with SPS at home and abroad mainly focus on ceramic, metal ceramic, intermetallic compound, composite nanomaterials and functional materials. Among them, functional materials are the most studied, including thermoelectric materials, magnetic materials, functional gradient materials, composite functional materials and nano functional materials. The preparation of SPS amorphous alloy, shape memory alloy and diamond was also tried, and good results were obtained. With the development of high and new technology industry, new materials, especially new functional materials, are increasing in variety and demand. Discharge Plasma Sintering, Spark Plasma Sintering, SPS) preparation of functional materials is a new technology, it has a fast heating, short Sintering time, organization structure, control, energy conservation, environmental protection and other characteristics, can be used for the preparation of metal materials, ceramic materials, composite materials, also can be used for the preparation of nano block material, amorphous block material, gradient materials.
 SPS is sintered by discharge plasma. Plasma is a material state of matter under high temperature or specific excitation. It is the fourth state of matter except solid, liquid and gas. Plasma is ionized gas, by a large number of positive and negative charged particles and neutral particles, and show the collective behavior of a kind of quasi neutral gas including heating, the methods which producing plasma discharge and incentive, etc. The plasma produced by discharge includes dc discharge, rf discharge and microwave discharge plasma. SPS USES a dc discharge plasma.
SPS device mainly includes: axial pressure device; Water-cooled punch electrode; Vacuum chamber; Atmosphere control system (vacuum, argon gas); Dc pulse power supply and cooling water, displacement measurement, temperature measurement and safety device control units.


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