The Silicon Carbide Rod Furnace is an electric furnace specifically designed for high-temperature material processing. Its main features and applications are as follows:
Structure and Materials:
The heating elements of the silicon carbide rod furnace are typically made from high-purity silicon carbide rods, capable of withstanding temperatures up to 2500°C. The furnace body is generally constructed from high-temperature resistant materials (such as ceramics or graphite), providing good thermal insulation.
Working Principle:
When electrified, the silicon carbide rods generate heat, directly heating the workpieces inside the furnace. Due to the high resistance and excellent thermal conductivity of the silicon carbide rods, rapid temperature rise can be achieved. During the heating process, temperature can be controlled by adjusting the current and voltage, enhancing the stability of the atmosphere within the furnace.
Application Areas:
Ceramic Sintering: Suitable for the sintering of ceramic materials such as alumina and silicon nitride, improving material density and mechanical strength.
Metal Melting: Used for melting high-melting-point metals and alloys, such as tungsten and molybdenum.
Material Synthesis: Widely applied in the preparation of composite materials and functional materials, such as silicon carbide composites.
Laboratory Research: Extensively used in experimental research in materials science, chemical synthesis, and metallurgy.
Advantages:
High Temperature Capability: Capable of high-temperature processing, suitable for the sintering and melting of various materials.
Precise Temperature Control: Allows for accurate temperature control by adjusting current and voltage.
User-Friendly Operation: Simple structure for ease of operation and maintenance.
Precautions:
During high-temperature operations, safety must be observed to avoid contact with high-temperature components.
Regularly check the condition of the heating elements to ensure stable performance.
The silicon carbide rod furnace, with its superior high-temperature performance and wide range of applications, has become an important piece of equipment in modern materials processing.
Purchase Information:
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Technical Parameters:
Parameter Name | Parameter Description |
Product Name | The Silicon Carbide Rod Furnace |
Product model | CY-VF-SCRF |
Maximum Temperature | 1400℃ |
Heating Element | High purity Silicon Carbide Rod |
Furnace Material | Resistance heating directly heats the samples using silicon molybdenum rods.. |
Heating Method | Radiant heating directly heats the samples |
Atmosphere Control | It can operate under inert gas conditions (such as argon or nitrogen) or in a vacuum |
Temperature Control System | Precise temperature control, usually using a PID controller with a digital display. |
Chamber Dimensions | Common sizes include100*100*100、200*150*150、200*150*150; customizable based on requirements. |
Temperature Fluctuation | Usually ≤ ±5°C to ensure experimental reproducibility. |
power density | The power density generally ranges from 5 to 15 W/cm², varying depending on the furnace model. |
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 Process of Sintering Alumina Ceramics in a Silicon Carbide Rod Furnace
Application Process
Raw Material Preparation:Select high-purity alumina powder, ensuring uniform particle size.
Mixing:Mix the alumina powder with an appropriate amount of additives (such as binders and flow agents) to ensure uniform distribution.
Molding:Place the mixed powder into a mold and form a green body through pressing or injection molding.
Drying:Dry the green body at room temperature or using low-temperature drying to remove moisture and prevent cracking.
Loading into the Furnace:Carefully place the dried green body into the silicon carbide rod furnace, ensuring stability.
Atmosphere Control:Evacuate the chamber to remove air or fill it with inert gas (such as argon) to prevent oxidation.
Heating:Start the furnace and slowly increase the heating system, typically setting the temperature between 1500°C and 1600°C, following a preset heating curve.
Sintering:Once the temperature reaches the set value, maintain the high temperature for a certain period (usually several hours) to promote the bonding and densification of the ceramic particles.
Cooling:After sintering is complete, turn off the heating system and allow the furnace chamber to cool slowly to reduce thermal stress and the risk of cracking.
Removing the Finished Product:Once the furnace temperature has dropped to a safe level, open the furnace door and remove the sintered alumina ceramics.
Post-Processing:Perform any necessary follow-up processing, such as grinding, polishing, or surface treatment, to achieve the desired final properties and appearance.
