Table 10 Wear loss of unboride and boride H13 tool steels after the wear testing.
Specimens codes | Exp. Cond | Mass Loss (mg) | Average volumetric wear loss (mm3) × 10−6 | Specific wear rate (mm3/Nm) × 10−6 |
|---|---|---|---|---|
Untreated | AISI H13 | 22.3 ± 2.08 | 2,858,970 ± 266,666 | 211.776 ± 19.7 |
A | 850 °C–2 h | 9.2 ± 1.93 | 1,179,487.18 ± 247,435 | 87.369 ± 18.3 |
B | 850 °C–4 h | 7.1 ± 0.85 | 910,256.41 ± 108,974 | 67.427 ± 8 |
C | 850 °C–6 h | 5.7 ± 1.47 | 730,769.23 ± 188,461 | 54.131 ± 13.9 |
D | 950 °C–2 h | 6.9 ± 1.15 | 884,615.38 ± 147,435 | 65.527 ± 10.9 |
E | 950 °C–4 h | 4.8 ± 1.31 | 615,384.62 ± 167,948 | 45.584 ± 12.4 |
F | 950 °C–6 h | 2.9 ± 0.85 | 371,794.87 ± 108,974 | 27.540 ± 8 |
G | 1050 °C–2 h | 5.5 ± 0.50 | 705,128.21 ± 64,102 | 52.232 ± 4.7 |
H | 1050 °C–4 h | 2.6 ± 0.53 | 333,333.33 ± 67,948 | 24.700 ± 5 |
I | 1050◦C–6 h | 1.4 ± 0.10 | 179,487.18 ± 12,820 | 13.300 ± 0.9 |
