On the Fatigue Crack Growth Behavior of a Nitrided and Shot Peened Steel

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In this paper the fatigue crack growth properties of a nitrided shot-peened steel is dealt with: different peening intensities were considered and the resulting residual stresses measured by means of an X-ray diffractometer. Rotating bending fatigue tests were executed on specimens with a blind micro-hole, acting as a pre-existent crack. The results allowed determining the threshold of propagation of the nitrided and of nitrided and shot peened material. It was also possible to relate the crack initiation point with the applied and the residual stresses.

Info:

Periodical:

Key Engineering Materials (Volumes 345-346)

Edited by:

S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim

Pages:

375-378

Citation:

M. Guagliano and L. Vergani, "On the Fatigue Crack Growth Behavior of a Nitrided and Shot Peened Steel", Key Engineering Materials, Vols. 345-346, pp. 375-378, 2007

Online since:

August 2007

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$38.00

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