与热喷涂及其它传统的涂层技术相比,冷喷涂技术有其独特的优点,即可使采用该技术沉积的涂层保留喷涂前粒子的特性.但在冷喷涂沉积过程中,粒子的尺寸小、速度快、温度低,给实时监测和分析带来很大困难.综述了冷喷涂喷管中气体和粒子运动状态的数学模型,指出使用数学模型建立工作气体和喷涂粒子相互作用的关系,可以快速优化喷管内部几何结构和喷涂过程参数,提高涂层质量,降低实验成本,同时也为阐述冷喷涂粒子沉积机理提供了一种有力手段.
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