Fatigue Life Assessment of 65Si7 Leaf Springs: A Comparative Study
Table 4
Experimental fatigue life of the specimen.
Material processing
Standard specified
Alternating stress level, (MPa)
Stress range
Fatigue life of S-1 ()
Fatigue life of S-2 ()
Fatigue life of S-3 ()
Fatigue life of S-4 ()
Average SD
Normal rolling, quenching at 880°C, hardening in oil at 80°C, tempering at 410°C for 90 mins, shot peening at 18 A intensity, BHN 380–432, and scragging at 0.9% of yield stress