Research Article
Effect of Temperature-Force Factors and Concentrator Shape on Impact Fracture Mechanisms of 17Mn1Si Steel
Table 3
Fracture energy of 17Mn1Si steel specimens with different notches under impact bending.
| T, °C | Fracture energy, , J | V-notch | U-notch | I-notch | | | | | | | | | |
| −60 | 7.26 | 2.47 | 4.79 | 25.02 | 20.22 | 4.80 | 7.35 | 2.06 | 5,29 | −40 | 15.82 | 4.86 | 10.96 | 35.53 | 7.91 | 27.62 | 14.47 | 3.36 | 11,11 | −20 | 36.27 | 18.31 | 17.96 | 51.55 | 38.76 | 12.79 | 37.98 | 7.65 | 30,33 | 0 | 47.11 | 7.25 | 39.86 | 68.39 | 41.59 | 26.80 | 48.01 | 7.39 | 40,62 | 20 | 57.51 | 27.37 | 30.14 | 80.75 | 37.55 | 43.20 | 55.15 | 21.13 | 34,02 |
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: initiation; : propagation.
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