1. Introduction Silicon carbide ceramics are a material with excellent properties, which are widely used in aerospace, automobiles, energy and other fields. However, traditional manufacturing methods make it difficult to produce complex structures and dimensionally accurate silicon carbide ceramic parts, limiting their application range. The advent of additive manufacturing technology offers a new way to solve this problem. In this paper, we will introduce the new research progress of additive manufacturing of silicon carbide ceramics. 2. Silicon carbide ceramic additive manufacturing technology Silicon carbide ceramic additive manufacturing technology is a technology that manufactures three-dimensional solids based on three-dimensional model data by stacking materials layer by layer. This technology mainly uses high-energy beams such as lasers and electron beams to melt or sinter raw materials such as powder and wire layer by layer to achieve precise accumulation of materials. Among them, powder sintering is the most commonly used method in the additive manufacturing of silicon carbide ceramics.
3. New progress in research 1High-precision manufacturingIn recent years, researchers have made important progress in improving the accuracy of additive manufacturing of silicon carbide ceramics. By optimizing the process parameters and selecting fine-grained powders, silicon carbide ceramic parts with high precision and high density were successfully manufactured. In addition, the researchers have also explored the use of machine Xi and other methods to optimize the manufacturing process and further improve the manufacturing accuracy. 2.Multi-material composite silicon carbide ceramic additive manufacturing technology can not only manufacture single-material parts, but also manufacture parts with excellent performance through multi-material composites. Recently, researchers have successfully developed an additive manufacturing technology for silicon carbide ceramic and metal composites, which can achieve the perfect combination of two materials and give full play to their respective advantages to improve the comprehensive performance of parts. 3.With the development of artificial intelligence technology, intelligent manufacturing has become an important development direction of the manufacturing industry. In the additive manufacturing of silicon carbide ceramics, the application of intelligent manufacturing technology can realize the automation, informatization and intelligence of the production process. Through the use of automatic control systems, sensors and other technical means, the manufacturing process can be monitored in real time to ensure product quality and production efficiency. At the same time, through the analysis and processing of production data, the optimization and optimization of the production process can be realized, and the production decision-making of the enterprise can be provided with strong support. 4 Prospect and conclusionsThe additive manufacturing technology of silicon carbide ceramics provides a new solution for the manufacture of silicon carbide ceramic parts with complex structures, which is of great significance for promoting the development of aerospace, automotive, energy and other fields. In the future, with the continuous progress of technology and the expansion of application fields, the field will show the following development trends:
1.Efficient and fast manufacturing: By optimizing process parameters and improving equipment performance, it can achieve efficient and fast additive manufacturing of silicon carbide ceramics, shorten the product development cycle, and meet market demand. 2.Refined and intelligent: With the help of advanced control technology and artificial intelligence technology, the manufacturing accuracy and intelligent level are improved, and the refined silicon carbide ceramic additive manufacturing and intelligent production management are realized. 3.Green production: Adopt environmentally friendly raw materials and production processes to reduce energy consumption and waste emissions in the production process, and realize green and environmentally friendly additive manufacturing of silicon carbide ceramics. 4.Expand the application field: With the continuous progress and improvement of technology, silicon carbide ceramic additive manufacturing will be applied to more fields, such as medical, cultural creativity, etc. At the same time, through cross-integration with other fields, more innovative applications will be generated. In summary, as an advanced manufacturing method, silicon carbide ceramic additive manufacturing technology has a wide range of application prospects in many fields.