The Influences of Cutting Speed on the Fatigue of Titanium Alloy


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This research is concerned with the influences of cutting speed on the fatigue properties of high speed milled Ti-6.5Al-2Zr-1Mo-1V (TA15) titanium alloy. Four different cutting speeds ranging from 50 to 200m/min were used to mill the specimens for fatigue test, and the fatigue properties of them were studied at two stress levels: 80—800MPa and 90—900MPa. The fatigue lives of the specimens milled under different cutting speeds were compared. The fracture surfaces were analyzed using scanning electron microscope (SEM), and cyclic stress-strain properties of TA15 titanium alloy were investigated with a stress-strain gauge. The results showed that increasing cutting speed can help to improve the fatigue properties of titanium alloy, especially at a relatively low cyclic stress level.



Edited by:

Kai Cheng, Yingxue Yao and Liang Zhou




G. S. Geng and J. H. Xu, "The Influences of Cutting Speed on the Fatigue of Titanium Alloy", Applied Mechanics and Materials, Vols. 10-12, pp. 742-746, 2008

Online since:

December 2007




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