介绍了超音速火焰喷涂技术的发展过程、未来的发展方向以及涂层的应用 ,详细比较了各种超音速火焰喷涂枪的工艺特点和涂层造价。此外 ,还对超音速火焰喷涂涂层的性能 (如硬度、密度、结合强度、残余应力 )进行了较详细的介绍 Introduced the development process of supersonic flame spraying technology, the future development direction and the application of the coating, and compared in detail the technical characteristics and coating cost of various supersonic flame spraying guns. In addition, the properties of supersonic flame sprayed coatings (such as hardness, density, bond strength, residual stress) are described in more detail