A. A. Johnson

A. Malekzadeh

ASTM Standard E 1290-93

ASTM Standard E 399

ASTM Standard E0008

ASTM Standard E2248-09

ASTM Standard E436-91

D. J. McAdam Jr

D. N. Johnson

F. J. Zerilli

G. Regazzoni

H. Iguchi

I. Nonaka

I. Varfolomeev

Kh. Farhangdoost

L. R. Freund

M. Luke

P. Boresi

P. C. Paris

P. Johnon

S. Hadidi-Moud

T. E. Stanton

W.-S. Lee

Y. Hong

Crossref

Journal of Mechanical Science and Technology

Influence of combined impact and cyclic loading on the overall fatigue life of forged steel, EA4T

The performance of forged steel, EA4T, used in rail industry, under simulated in service conditions, i.e. combined impact - cyclic loading, was investigated through a comprehensive experimental programme. The standard Paris-Erdogan fatigue design curve parameters, m and C, were calibrated to account for the effect of the impact component of loading. A minimum threshold for impact load component, identified in the experiments, was also incorporated in the proposed empirical model. Comparison with experimental findings indicated that this “modified” Fatigue design curve could predict the fatigue life of pre impact loaded specimens with sufficient accuracy. It was therefore suggested that the modified model may be used as a novel design tool for predicting the overall fatigue life of components made of this material under the specified combined impact and fatigue loading conditions.Publisher Statement: The final publication is available at Springer via http://dx.doi.org/10.1007/s12206-016-0923-

Influence of combined impact and cyclic loading on the overall fatigue life of forged steel, EA4T

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