Table 2 Fatigue test data of 16Mn under two-level load.

From: Fatigue damage assessment of bogie frame based on an improved nonlinear cumulative damage model

Experimental samples

Loading condition/MPa

n1/Nf1

(n2/Nf2)E

(n2/Nf2)S

T (%)

16Mn

562.9–392.3

0.0005

0.9352

0.9995

6.43

562.9–392.3

0.0504

0.7548

0.9496

20.51

562.9–392.3

0.2520

0.7154

0.7480

4.36

562.9–392.3

0.4284

0.6048

0.5716

5.81

562.9–392.3

0.6174

0.2910

0.3826

23.94

562.9–392.3

0.7000

0.2212

0.3000

26.27

562.9–392.3

0.8250

0.1137

0.1750

35.03

562.9–392.3

0.9500

0.0107

0.0500

78.60

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