Table 5 Fatigue test results of C45 steel (BM and surfaced)
Stress level | Stress (MPa) | No. | Number of cycles to failure for base metal C45 (N) (104) | Number of cycles to failure for surfaced C45 steel (N) (104) | Number of cycles impartment | ||
|---|---|---|---|---|---|---|---|
For samples | Mean | For samples | Mean | ||||
65% of UTS of C45 base metal | 489.45 | 1 | 2.03 | 4.85 | 10.1 | 6.59 | 35.97% |
2 | 3.43 | 5.60 | |||||
3 | 2.81 | 7.37 | |||||
4 | 5.37 | 10.1 | |||||
5 | 1.07 | 8.24 | |||||
6 | 2.34 | 3.51 | |||||
7 | 6.30 | 6.59 | |||||
8 | 4.32 | 4.29 | |||||
9 | 8.04 | 2.43 | |||||
10 | 31.2 | 7.71 | |||||
55% of UTS of C45 base metal | 414.15 | 1 | 13.3 | 14.7 | 8.43 | 18.5 | 25.46% |
2 | 13.4 | 28.6 | |||||
3 | 11.3 | 27.9 | |||||
4 | 19.6 | 17.6 | |||||
5 | 12.2 | 30.0 | |||||
6 | 18.4 | 15.9 | |||||
7 | 14.4 | 8.38 | |||||
8 | 16.4 | 18.9 | |||||
9 | 15.9 | 5.67 | |||||
10 | 12.3 | 23.3 | |||||