Effect of shot peening on surface integrity and elevated temperature fatigue behavior of ATI 718Plus alloy

Key Points

• Fatigue behavior improved at elevated temperatures, with shot peening enhancing performance significantly.
• Key measurements showed a notable increase in fatigue life metrics due to surface integrity enhancements.
• Analysis utilized tensile testing and fatigue assessments across various temperature conditions to evaluate effects.
• Highlights the potential for improved longevity in structural applications through surface treatment processes.