The spray shape and droplet characteristics were measured by means of Laserschlieren high speed photography and Malvern Laser Diffraction method.
采用激光纹影高速摄影和激光衍射方法进行喷雾结构特性和粒度特性测量。
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This paper designs a new kind of nozzle used for laser welding of zinc-coated steels with metal powder and studies the better modality of shielding gas and the powder beam with schlieren device.