以直径为30μm的球形铜粒子为例,对KY-HVO(A)F多功能超音速火焰喷涂系统进行了不同送粉位置、送粉管直径、倾斜角度以及送粉压力条件下粒子的速度与温度分析.结果表明:送粉位置对粒子出口速度没有明显的影响,但对温度有较大的影响,送粉位置距离喷枪燃烧室越近,粒子的温度越高;送粉直径越小粒子的速度与温度越高;倾斜角度对粒子温度没有影响,随着送粉倾斜角度的增大,粒子进入焰流中心的能力增强,粒子速度增大;送粉压力对粒子的速度与温度影响不大,但压力为0.4 Mpa时加热加速效果最好.
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