The multi temperature zone rotating electric furnace used in experiments can complete processes such as sintering, heat treatment, chemical reaction control, material synthesis, thin film preparation, ceramic and glass processing, metallurgical melting, new energy material preparation, food processing, and high-temperature and high-pressure scientific research with its core functions of independent temperature control, rotation design, and atmosphere control in multiple temperature zones. The following are specific process types and principle explanations:
1. Sintering process
Principle: The process of particle bonding, pore reduction, and density increase in powder or granular materials through high-temperature heating.
Advantages: Independent temperature control in multiple temperature zones can achieve gradient heat treatment, avoiding cracking or abnormal grain growth caused by thermal stress; The rotating design causes the material to roll, eliminates temperature unevenness, promotes uniform particle contact, and improves density and composition uniformity.
Application case:
Alumina ceramic sintering: higher density, improved compared to static sintering.
ZrO ₂ ceramic sintering: reduction of grain size standard deviation.
Sintering of Al ₂ O ∝ – TiC composite material: reduced uniformity of TiC particle distribution.
2. Heat treatment process
Principle: By precisely controlling the heating, insulation, and cooling processes, the organizational structure of materials can be changed to improve their mechanical properties.
Advantages: The multi temperature zone design can meet the temperature requirements of different heat treatment stages, and the rotating design ensures uniform heating of the material, avoiding local overheating or excessive temperature gradients.
Application case:
Metal annealing: eliminates the problem of uneven internal stress distribution and improves the consistency of material toughness.
Metal quenching and tempering: improving the hardness and toughness of metals.
3. Chemical reaction control
Principle: By independently controlling the temperature in different temperature zones, precise control of chemical reactions can be achieved, improving product quality and yield.
Advantages: The multi temperature zone design can adapt to the heating needs of different chemical substances, ensuring the stability and safety of the reaction process; Rotating design promotes material mixing and improves reaction efficiency.
Application case:
Catalyst calcination: Improve the activity and selectivity of the catalyst.
Thermal decomposition of ores: studying the composition and properties of ores to provide theoretical basis for their extraction and processing.
4. Material synthesis and preparation
Principle: Under high temperature conditions, material synthesis and preparation can be achieved by controlling temperature and atmosphere.
Advantages: The multi temperature zone design can achieve the temperature conditions required for different reaction stages, and the rotating design ensures uniform synthesis and sintering of materials.
Application case:
Nanomaterial synthesis: Shape control of quantum dots, nanowires, and other materials is achieved through gradient temperature control.
Preparation of lithium-ion battery materials: Carbon coating, sintering and other processes are used to improve material properties.
Preparation of fuel cell catalyst: Reduction treatment enhances catalyst activity.
5. Thin film preparation
Principle: Under high temperature conditions, a thin film is formed on the surface of the substrate through methods such as chemical vapor deposition (CVD).
Advantages: The multi temperature zone design can meet the temperature conditions required for reactant decomposition and deposition during CVD process, and the rotating design improves the uniformity of the film.
Application case:
Semiconductor device processing: preparing high-quality thin films to improve device performance.
Optical thin film preparation: Preparation of thin films with specific optical properties.
6. Ceramic and glass processing
Principle: Ceramic or glass materials are heated at high temperatures to achieve the desired physical and chemical properties.
Advantages: The multi temperature zone design can meet the firing needs of ceramic and glass products with different types or temperature requirements. The rotating design ensures uniform heating of materials and improves product quality.
Application case:
Alumina ceramic sintering: preparation of high-strength and high hardness ceramic products.
Glass melting: preparing glass products with specific optical properties.
7. Metallurgical melting
Principle: Melting metals or alloys through high temperature heating to achieve metal extraction and purification.
Advantages: The multi temperature zone design can meet the requirements of temperature gradient during metal melting process, and the rotating design promotes uniform mixing of metal liquid and improves metal quality.
Application case:
Metal smelting: extracting and purifying metals.
Continuous casting and rolling: preparation of metal sheets, bars, etc.
8. Preparation of new energy materials
Principle: Under high temperature conditions, new energy materials are prepared by controlling temperature and atmosphere.
Advantages: The multi temperature zone design can meet the special temperature requirements in the preparation process of new energy materials. The rotating design ensures uniform heating of the material and improves its performance.
Application case:
Preparation of solar cell materials: improving photoelectric conversion efficiency.
Preparation of energy storage materials: Improve energy storage density and cycling stability.
9. High temperature and high pressure scientific research
Principle: Conduct material synthesis and performance research in high temperature and high pressure environments, and explore the laws of material changes under extreme conditions.
Advantages: The multi temperature zone design can meet the special temperature requirements of high temperature and high pressure experiments, and the rotating design ensures uniform heating of the material, improving the accuracy of experimental results.
Application case:
Material synthesis: Preparation of new materials with special properties.
Performance research: Study the mechanical and thermal properties of materials under high temperature and high pressure.