提高身管寿命是火炮行业亟待解决的关键技术问题，激光表面改性技术是解决这一问题的有效方法之一。
Improving the longevity of artillery is always a key problem, and one of the most effective methods to solve this problem is through laser hardening of the artillery barrel.
结果表明，激光微沉积合金粉末技术在细小零件的激光表面改性及高精度小型零件的直接制备方面具有很好的应用开发前景。
It indicates that laser micro-deposition of metallic powder has a bright prospect in laser surface modification of small parts and direct fabrication of fine and precise components.
介绍了激光淬火，激光熔凝，激光表面合金化等材料表面改性技术及其组织和性能；综述了智能涂层的特点及研究进展。
Laser quenching, laser cladding and laser surface alloying, as well as microstructure and properties were presented. The properties and research progress of intelligent coating were reviewed.
重点介绍了激光消融法制备纳米颗粒、薄膜的原理、特点段激光淬火、激光表面熔敷和激光表面合金化等材料表面改性技术。
The laser ablation principle and outstanding advantage in nano-particle and nano-film preparation, as well as laser quenching, laser cladding and laser surface alloying were presented.
重点介绍了激光消融法制备纳米颗粒、薄膜的原理、特点段激光淬火、激光表面熔敷和激光表面合金化等材料表面改性技术。
The laser ablation principle and outstanding advantage in nano-particle and nano-film preparation, as well as laser quenching, laser cladding and laser surface alloying were presented.
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