Porous titanium coating atmospheric plasma spraying gas protecting apparatus and its spraying method
A gas protection device and plasma technology, which is applied in the field of biomedical materials engineering, can solve the problems of insufficient consideration of the flow direction of the protective gas, metal oxidation, and low metal spraying efficiency, so as to improve the spraying efficiency and prevent rapid escape.
Inactive Publication Date: 2006-03-08
SICHUAN UNIV
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This invention relates to a spraying gas protection device of multi-hole Ti coating atmosphere plasma and its method. Said device is composed of a base with a hole at the center, a hollow tube connected with the base, a protecting gas inlet mouthpiece designed on the hollow tube, a protection gas distribution chamber, a jet exhaust of the protection gas and a powder mouthpiece. Said device is connected with the nozzle on an ordinary atmosphere plasma spraying device to spray Ti coating to meet the needs of using different sizes of Ti powder as the raw material to be immersed in alcohol and mixed evenly with supersonic waver to be dried and manufactured to Ti coating with optimized spraying parameters under the protection cover of an inert gas formed in this device.
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Property | Measurement | Unit |
Particle size | 0.4 ~ 0.5 | µm |
Particle size | 200.0 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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