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Spark plasma sintering furnace (also called FAST Field assisted sintering technique or DCS Direct Current Sintering press furnace systems)is an advanced pressure sintering technology that utilizes the instantaneous high temperature, surface activation, discharge impact pressure and other effects generated by pulse discharge excitation plasma to realize rapid sintering of powder. SPS integrates plasma activation, hot pressing, and resistance heating. It has outstanding advantages such as fast heating speed, short sintering time, controllable structure, energy saving and environmental protection, and has important application potential in the preparation of high-performance materials.
SPS Spark plasma sintering furnace is a pressure sintering method that uses an on-off DC pulse current to energize and sinter directly. The primary function of on-off DC pulse current is to generate discharge plasma, discharge impact pressure, Joule heat, and electric field diffusion. The SPS device mainly includes the following parts: axial pressure device; water-cooled punch electrode; vacuum chamber; atmosphere control system (vacuum, argon); DC pulse power supply and cooling water; displacement measurement, temperature measurement, and safety control units.
Spark plasma sintering is suitable for almost all materials, such as metals, ceramics, and composite materials. It is significant for realizing high-quality, high-efficiency, low-cost, and low-cost material preparation. In addition, spark plasma sintering equipment is not limited to sintering applications of materials but can also be used for joining, forming, surface modification, etc.
| intermetallic compound | Metal | Cermet | Ceramics | Other Materials | ||||
| Oxide Ceramics | Carbide Ceramics | Nitride Ceramics | Boride Ceramics | Fluoride Ceramics | ||||
| TiAl, MoSi2, NbAl, NiAl, NbCo, Si3Zr5, etc. | Fe, Cu, Al, Au, Cr, Mo, Sn, Ti, W | Si3N4+Ni, Al2O3+TiC, WC+Co+Fe, Al2O3+Ni, ZrO2+Ni, etc. | Al2O3, ZrO2, MgO, SiO2, TiO2, etc. | SiC, B4C, TiC, WC, ZrC, VC, etc. | Si3N4, TaN, TiN, AlN, ZrN, VN, etc. | TiB2, HfB2, VB2, ZrB2, LaB6, etc. | LiF, MgF2, CaF2, etc. | Organic materials, composite materials, etc. |
| Model | CNEQPS-SPS-2T2KA | CNEQPS-SPS-3T3KA | CNEQPS-SPS-5T5KA | CNEQPS-SPS-10T6KA | CNEQPS-SPS-20T10KA | CNEQPS-SPS-50T30KA |
| Rated Pressure | 20KN | 30KN | 50KN | 100KN | 200KN | 500KN |
| Max. Output Current | 2000A | 3000A | 5000A | 6000A | 10000A | 30000A |
| Max. Output Voltage | 10V | 10V | 10V | 10V | 10V | 10V |
| Rated Power | 20KW | 30KW | 50KW | 60KW | 100KW | 300KW |
| Sample Size | Φ20mm | Φ30mm | Φ30mm | Φ50mm | Φ100mm | Φ200mm |
| Max. Temperature | 2300℃ | 2300℃ | 2300℃ | 2300℃ | 2300℃ | 2300℃ |
| Head stroke | 60mm | 60mm | 100mm | 100mm | 100mm | 200mm |
| Limited Vacuum | Low vacuum mode ≤10Pa (mechanical pump)
High vacuum mode ≤6*10-3Pa (optional mechanical pump + molecular pump) |
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| Temperature Measurement | Infrared temperature measurement (temperature measurement range 250°C-2500°C), thermocouple temperature measurement (temperature measurement range 0°C-1200°C) | |||||
| Electronic Control System | Touch screen + PLC
Equipped with a complete control system and data analysis system to realize the monitoring and analysis of pressure, temperature, current and other parameters |
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Note: The product can be customized and developed
Existence and Function of Discharge/Plasma
Temperature and Temperature Field Distribution
Pressure’s Affact and Application
Design and Application of Mold
Four service guarantees to customize your industrial electric furnace. According to your needs, provide a complete set of solutions for your electric furnace design, research and development, and manufacturing.
We will continue to improve the quality of products and services and provide safer, more efficient, more stable, more energy-saving and more affordable industrial furnaces.
