The Vacuum resistance wire sintering furnace is a high-temperature heating device widely used in materials science, metallurgy, ceramics, glass, and other fields requiring high-temperature processing.
This equipment utilizes resistance wire heating elements, generating heat through the current passing through the wire, thereby heating the furnace body and the samples inside.
Key Features：
High Temperature Performance: Typically capable of reaching temperatures from 1200°C to 1800°C, suitable for various high-temperature experiments and material processing.
Heating Method：Uses resistance wire as the heating element, providing good thermal stability and uniformity.
Furnace Design：The furnace body is usually made from high-temperature resistant materials, ensuring it does not deform or get damaged at high temperatures.
Temperature Control: Equipped with an advanced temperature control system that allows for precise temperature setting and control, ensuring reproducibility and accuracy of experiments.
Safety Protections: The device typically features protections against over-temperature, low water levels, and short circuits to ensure safe operation.
Vacuum or Inert Gas Environment: Optional vacuum systems or inert gas supply systems can be equipped to meet specific experimental needs, preventing oxidation or reactions.
Application Areas：Material Synthesis: Used for synthesizing new materials and processing metals, ceramics, and glass.
Experimental Research: Widely applied in universities and research institutes for high-temperature material research and experiments.
Production Processes: In certain industrial production processes, the Vacuum resistance wire sintering furnace is used for heating and processing materials.
Purchase Information：
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Phone: 185 3800 8121
Email: Lily@cysitech.com
Contact Person: Zhao Xiaoli
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Product Parameters：
Parameter Name | Parameter Description |
Product Name | Vacuum resistance wire sintering furnace |
Product model | CY-VF-RWS |
Maximum Temperature | 1200℃ |
Heating Element | Resistance wire (e.g., nickel-chromium alloy wire) with good conductivity and high-temperature resistance. |
Furnace Material | Refractory materials (e.g., ceramic fiber or high-temperature alloys) to ensure stability and durability at high temperatures. |
Heating Method | Primarily radiation heating, supplemented by natural convection heating |
Temperature Control System | Precise temperature control, usually using a PID controller with a digital display. |
Chamber Dimensions | Common sizes include 100*100*100、200*150*150、200*150*150; customizable based on requirements. |
Heating Power | Typically ranges from 1KW to 10KW, depending on furnace size and maximum temperature requirements. |
Temperature Fluctuation | Usually ≤ ±5°C to ensure experimental reproducibility. |
Vacuum System | Optional vacuum pump; ultimate vacuum can reach 10^-4 Pa or lower |
Safety Protection | Multiple safety protection features, including over-temperature, low water, over-current, and over-pressure protections. |
Cooling System | External water cooling circulation system to ensure equipment safety and stability. |
Control Method | PLC or microprocessor control with touch screen operation for ease of use. |
Application Case: Experiment Process of Sintering Ceramic Materials Using a Vacuum resistance wire sintering furnace
Experimental Steps:Raw Material Preparation:Select suitable ceramic powders (e.g., alumina, silicon nitride) and ensure uniform particle size.
Mixing:Mix the ceramic powder with an appropriate amount of additives (e.g., binders, flow agents) to ensure uniformity.
Sample Preparation:Place the mixed ceramic powder into a mold and press it to form a green body.
Drying:Dry the green body under mild conditions (e.g., room temperature or low-temperature drying) to remove moisture and avoid cracking.
Loading the Furnace:Carefully place the dried green body into the chamber of the Vacuum resistance wire sintering furnace, ensuring stable placement.
Vacuum Pumping (if needed):If atmospheric control is required, start the vacuum pump to achieve the desired vacuum level inside the chamber.
Heating:Activate the resistance wire heating system and slowly increase the temperature according to a preset heating curve, typically requiring a staged heating process to avoid thermal stress.
Maintaining Sintering Temperature:Once the temperature reaches the sintering point (depending on the material, usually between 1200°C and 1700°C), maintain it for a certain period to promote particle bonding and densification.
Cooling:After sintering is complete, turn off the heating system and allow the chamber to cool slowly to reduce thermal stress and the risk of cracking.
Removing the Finished Product:Once the temperature has cooled to a safe level, open the furnace door and remove the completed ceramic material.
Post-Processing:Perform any necessary follow-up processing, such as grinding, polishing, or surface treatment.
Precautions:Control the heating and cooling rates to avoid thermal shock to the materials.
Ensure the stability of the atmosphere inside the furnace to prevent oxidation or other adverse reactions.
Regularly check the condition of the resistance wire to ensure uniform heating.
By following the above steps, the Vacuum resistance wire sintering furnace can effectively sinter ceramic materials, resulting in high-quality ceramic products.
