Data point

i

Lifetime

(cycles)

${\sigma }_M$

MPa.

Data point

i

Lifetime

(cycles)

${\sigma }_M$

MPa.

131

31,517

40.00

150

94 825

37.80

209

92,666

39.79

242

2 293 106

33.00

243

33,714,952

31.99