Abstract

Four cold reductions, viz. 2.5, 5, 7.5 and 10 perce nt are given to a near- α Titanium alloy Timetal 834, following solution tre atment in α+β range and stabilization. LCF tests were conducted at room temperature in total strain control mode at Δe t/2 from ± 0.45% to ± 1.05%. Prior to LCF testing, gage section of the sp ecimens was elecrtopolished to reveal the surface m odifications, resulting from fatigue testing. It was observed that cold rolling considerably enhanced fatigue life of the alloy.

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