Laboratory high-temperature electric furnaces are widely used in multiple fields:

I. Materials Science field
1. Research on Metallic Materials
- Used for heat treatment of metals, including processes such as annealing, quenching, and tempering. By precisely controlling the temperature and holding time in a high-temperature electric furnace, the microstructure of the metal can be modified, thereby enhancing its mechanical properties, such as increasing hardness and toughness.
- Conduct research on the smelting and alloying of metallic materials. In the development of new alloy systems, it is necessary to melt various metal raw materials in a high-temperature electric furnace, precisely control the temperature to ensure uniformity of the alloy composition, and investigate the effects of alloying elements on the mechanical properties of metals.
2. Preparation of Ceramic Materials
- Sintering of ceramic powders. Ceramic materials are typically formed by powder compaction and then sintered in a high-temperature electric furnace to promote strong bonding among the powder particles, thereby producing ceramic components with high strength, high hardness, and excellent chemical stability. For example, the sintering processes for alumina ceramics and silicon nitride ceramics both rely on high-temperature electric furnaces.
- Conduct research on phase transformations in ceramic materials. Under different temperature conditions, the crystalline phase structure within ceramic materials undergoes changes. By using a high-temperature electric furnace to precisely control the temperature, these phase transformation mechanisms can be studied, thereby optimizing the performance of ceramic materials.

3. Composite Materials Research and Development
- High-temperature treatment of fiber-reinforced composites. For example, in the fabrication of carbon-fiber-reinforced polymer matrix composites, high-temperature curing is sometimes required to enhance the interfacial adhesion between the resin and the fibers; a high-temperature electric furnace can provide a stable high-temperature environment to meet this requirement.
- Investigating the performance degradation of composite materials at elevated temperatures. Composite structural components in the aerospace industry are required to operate under high-temperature conditions; laboratory high-temperature furnaces can be used to simulate such environments and to evaluate changes in the mechanical and thermal properties of these materials.

II. Chemical and Chemical Engineering Fields
1. Synthesis of Inorganic Compounds
- Synthesis of high-temperature-stable inorganic compounds. For example, in the preparation of certain high-temperature superconducting materials, chemical reactions must be carried out in a high-temperature electric furnace, with precise control of temperature, atmosphere, and other conditions to synthesize superconducting compounds with specific structures and properties.
- Conduct thermal decomposition experiments on ores. For certain metal-bearing ores, high-temperature heating in an electric furnace can induce their decomposition, enabling the investigation of their composition and properties and providing a theoretical basis for ore extraction and processing.
2. Catalyst Preparation and Research
- The calcination process of catalysts. Many catalysts require high-temperature calcination for activation to enhance their activity and selectivity. High-temperature electric furnaces can provide the appropriate temperature conditions, enabling precursor materials to undergo phase transitions, structural reorganization, and other transformations, thereby forming catalytically active species.
- Investigating the thermal stability and deactivation mechanisms of catalysts. In chemical manufacturing, catalysts are often required to operate continuously under severe conditions such as high temperature and high pressure. A laboratory high-temperature electric furnace can be used to simulate these operating conditions, enabling the study of how catalyst performance evolves over prolonged exposure to elevated temperatures, thereby facilitating the development of more stable and efficient catalysts.

III. Metallurgical Engineering Field
1. Steel Research
- Research on heat treatment processes for steel. This includes optimizing normalizing, quenching, tempering, and other heat treatment procedures for various steel grades, with precise temperature and holding-time control using high-temperature electric furnaces to refine the microstructure of steel and enhance its strength, toughness, wear resistance, and other performance characteristics.
- Research and development of new steel materials. When developing new steel materials with high strength, high corrosion resistance, and other desirable properties, it is necessary to conduct experiments such as alloying and heat treatment in high-temperature electric furnaces to investigate the effects of varying element addition levels and heat-treatment processes on steel performance.
2. Nonferrous Metal Processing
- Melting, casting, and heat treating nonferrous metals such as aluminum alloys and copper alloys. For example, during the melting of aluminum alloys, high-temperature electric furnaces can precisely control the melting temperature, thereby preventing the burn-off of alloying elements and ensuring the quality of the aluminum alloy. At the same time, for heat treatment processes such as solution treatment and aging treatment of aluminum alloys, high-temperature electric furnaces can also provide a stable temperature environment.

IV. Energy Sector
1. Battery Material Research
- Research on the preparation and performance of cathode and anode materials. For example, in the preparation of lithium-ion battery cathode materials such as lithium cobalt oxide and lithium nickel cobalt manganese oxide, high-temperature electric furnaces are used for sintering to enhance crystallinity and electrochemical performance. Similarly, modifications to anode materials—such as graphite—also require high-temperature electric furnaces to treat the materials and improve their compatibility with the electrolyte and other performance characteristics.
- Research and development of new battery technologies, such as solid-state batteries. The electrolyte materials for solid-state batteries often require synthesis and characterization at elevated temperatures, and laboratory high-temperature furnaces provide the essential conditions for such studies.
2. Research on Biomass Energy Conversion
- During the biomass carbonization process, a high-temperature electric furnace can be used to convert biomass feedstock into biochar at elevated temperatures. By controlling parameters such as temperature and heating rate, the properties and yield of biochar can be investigated, thereby providing technical support for the efficient utilization of biomass energy.