Effect of surface roughness on step-wise S– N characteristics in high strength steel

Rotary bending fatigue tests have been performed in laboratory air at ambient temperature using specimens with different surface roughness of very high strength steel (Ni–Cr–Mo steel). The effects of surface roughness on crack initiation mechanism and associated step-wise S– N characteristics were s...

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Veröffentlicht in:	International journal of fatigue 2003-05, Vol.25 (5), p.379-385
Hauptverfasser:	Itoga, H., Tokaji, K., Nakajima, M., Ko, H.-N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Exact sciences and technology Fish-eye Fractures High strength steel Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Step-wise S– N curve Subsurface crack initiation Surface roughness Transition stress
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