Abstract
An integral model for arc spray Zn-Al droplets in flight was developed using established theoretical principles of fluid mechanics, heat transmission and phase transformation. Mathematical models describe the interconnected processes of droplet-gas inter-actions in flight. The calculation result of Zn-Al droplets velocity and temperature shows that droplets velocity and temperature are function of flight distance and droplets diameter. Percentage of solid droplets in metal spray is a function of droplets size distribution. In flight distance (< 600 mm), depending on size and cooling rate, the droplets in metal spray are completely liquid, partially solidified, or completely solidified, the percentage of partially solidified, or completely solidified in metal spray do not exceed 2%.
| Original language | English |
|---|---|
| Pages (from-to) | 1083-1088 |
| Number of pages | 6 |
| Journal | Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals |
| Volume | 11 |
| Issue number | 6 |
| State | Published - Dec 2001 |
Keywords
- Arc spray
- Numerical analysis
- Temperature
- Velocity
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