Fretting Fatigue Damage Nucleation and Propagation Lifetime Using a Central Point Movement of Power Spectral Density

Table 1

Number of the vibration period.

Symbol	Time (day)	Periods
F1	0	0
F2	1	10^6
F3	2	2 × 10^6
F4	3	3 × 10^6
F5	4	4 × 10^6
F6	5	5 × 10^6