Effects of Machined Surface Integrity on High-Temperature Low-Cycle Fatigue Life and Process Parameters Optimization of Turning Superalloy Inconel 718.

However, the fatigue life presented a decreasing trend at the feed rate f = 0.20 mm/rev.

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It was seen that the fatigue life had an increasing trend with the surface residual stress S 33 increasing at feed rates of f = 0.10 mm/rev and f = 0.15 mm/rev.

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