Question

From the following endurance limit plot, provide a short reflection that includes qualitative discussion of information that can be interpreted from the plot. 120 827 100 690 Severe Grind Plus Shot Peen A80 552 Gentle Grind 60 414 Severe Grin 40 276 10,000 100,000 1,000,000 10,000,000 100,000,000 CYCLES TO FAILURE a. Comment on how shot peening affects the fatigue properties of the ground b. Compare the maximum allowable applied stress for gentle and severe ground c. Calculate the maximum number of cycles shot peened sample can withstand parts, cases if the part is to be designed to last for 100,000 cycles. if 90 KSI fatigue load was applied on the sample

Answer 1