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Investigation of Very High Cycle Fatigue Behavior of TC17 Alloy

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Abstract:

According to the loading characteristics of engine blades, a vibration bending fatigue system by using the ultrasonic fatigue test technique has been developed and the specimen is designed by finite element method, fatigue tests of TC17 between 106 and 109 cycles have been completed in this paper. The results show that the fatigue life of specimen increases over 107 cycles and the initiation of fatigue cracks transfers from only in the surface of specimen to both in the surface and the sub-surface with loading decreasing.

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Info:

Periodical:

Advanced Materials Research (Volumes 295-297)

Pages:

1311-1314

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.295-297.1311

Citation:

Cite this paper

Online since:

July 2011

Authors:

Li Cheng, Chao Gao, Jing Sheng Shen, Ning Li, Wei Chen, Quan Tong Li

Keywords:

Engine Blades, Fatigue Life, Ultrasonic Fatigue Technique, Vibration Bending Fatigue

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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References

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