激光表面技术数值模拟研究现状

Research for Numerical Simulation of Surface Modification of Laser

激光表面改性技术在改善材料表面性能,提高材料使用寿命方面具有突出的优越性。分析了激光表面技术中的激光熔覆和激光熔凝的热源模型、温度场、应力场有限元模拟研究现状。此外,还指出在模拟分析中存在的亟待解决的问题,以此为基础提出激光改性技术有限元模拟发展方向。

There are many advantages in surface modification of laser to improve properties of materials and extend service life of materials. In this paper, finite element simulation of heat source model, temperature field and stress field in the surface modification of laser such as laser cladding and laser melting were analysed. In addition, the existing problem in simulation analysis and simulation development direction was put forward.