Table 2 Number of activated particle estimated from grain density (Fig. 4) and using line fitting method (Fig. 10).
From: Quantitative approach to realization of ultrasonic grain refinement of Al-7Si-2Cu-1Mg alloy
Temp. (°C) | Mean particle diameter, da (m) | Number of activated particle, Nn (m−3) | |
|---|---|---|---|
Grain density | Line fitting | ||
620 | 1.20 × 10−6 | 8.95 × 1011 | 7.47 × 1011 |
650 | 0.79 × 10−6 | 6.54 × 1010 | 3.92 × 1011 |
700 | 0.44 × 10−6 | 2.94 × 1010 | 6.22 × 1010 |
785 | 0.45 × 10−6 | 1.89 × 1010 | 6.30 × 1010 |
