Since the 21st century, laser cladding technology has continued to evolve under the impetus of new solid-state lasers. The following are analyzed from three aspects: technological innovation, application expansion and development trend:

1. Technology innovation direction Laser system Upgrade new laser to achieve beam quality optimization, combined with intelligent beam shaping technology, significantly improve the uniformity of energy distribution, effectively solve the problem of traditional process edge overmelting. The ultra-high speed cladding technology greatly increases the scanning speed, significantly reduces the heat input, and reduces the heat affected area, which is suitable for the processing of various deformable materials. Process system optimization The innovative design of the coaxial powder feeding system improves powder utilization and enables dynamic response of powder feeding rate to support stable operation under complex conditions.

2. The application field expands the high-end manufacturing field The aerospace field is used for the surface strengthening of key components, significantly improving the fatigue resistance and reducing maintenance costs. In the field of energy equipment, surface modification of special materials is realized to enhance corrosion resistance and extend the service life of equipment. New energy field through surface treatment technology to improve the wear resistance of core components, extend the product service cycle. In the field of Marine engineering, a new alloy cladding process is adopted to enhance the corrosion resistance of equipment and meet the requirements of harsh environments.

3. Future development trend Intelligent and integrated integration of visual monitoring and spectral analysis technology, the construction of closed-loop control system, real-time compensation process fluctuations. With the help of digital twin technology, the process prediction model is established to realize the independent parameter optimization and process planning. Green Manufacturing Innovative composite processing technology refines grain structure by introducing external incentives to improve material properties while reducing resource consumption. The energy management system optimizes energy use efficiency and reduces energy consumption per unit of processing, in line with sustainable development goals.

The current technological development is faced with challenges such as adaptability to complex working conditions and multi-material collaborative processing. In the future, we will focus on breaking through the research of multi-physical field coupling mechanism, and promote the design of nanostructured coatings and the development of intelligent process planning system.