Control factor | Levels | ||
1 | 2 | 3 | |
A. Substrate matrix | Ductile | Gray |
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B. Travel speed, mm∙s−1 | 10 | 20 | 30 |
C. Accelerating voltage, V | 10 | 25 | 50 |
D. Electrical current, mA | 10 | 15 | 20 |
E. Melted width, mm | 5 | 15 | 20 |
F. Beam oscillation | Line | Circle | Ellipse |
G. Post-heat treatment temperature, ˚C | 25 | 150 | 300 |
Signal factor |
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M. Electron beam scanning width | | | |