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超音速喷涂
氧气和液态燃料通过预混合系统在高压下输入燃烧室燃烧产生高压气流。气流通过拉瓦尔型喷嘴膨胀,加速到1500米/秒左右,粉末注入气流中,该气流将粉末粒子加热并加速到二次喷嘴,以便于粒子携带较多能量冲击到基材上。超音速喷涂并不熔化粉末而仅仅是将其软化。使粒子氧化和分解在涂层内降至最低温度。 |
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HVOF 粉末喷涂 Met-Jet 4G
HVOF 粉末喷涂 Met-Jet 4L
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