Mechanical surface treatments to optimize the fatigue behavior of quenched and tempered high strength steels

The aim of this work is to maximize the fatigue life of an AISI 4340 steel (quenched and tempered at 200 °C) with a tensile strength of 2000 MPa. To do so, different shot peening treatments were studied. Some of these treatments used traditional steel shots made of cut wire, and others used ceramic...

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Veröffentlicht in:	International journal of advanced manufacturing technology 2018-04, Vol.96 (1-4), p.1225-1235
Hauptverfasser:	Segurado, E., Belzunce, F. J., Fernández Pariente, I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Bending fatigue CAE) and Design Compressive properties Computer-Aided Engineering (CAD Concentrators Crack initiation Crack propagation Engineering Fatigue cracks Fatigue failure Fatigue life Fatigue tests Fracture mechanics Fracture surfaces Grit blasting High strength low alloy steels High strength steels Inclusions Industrial and Production Engineering Mechanical Engineering Media Management Metal fatigue Nickel chromium molybdenum steels Optimization Original Article Quenching and tempering Residual stress Scanning electron microscopy Shot peening Steel Stress distribution Stress intensity factors Tensile strength X-ray diffraction Zirconium dioxide
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