| Issue |
EPJ Web of Conferences
Volume 6, 2010
ICEM 14 – 14th International Conference on Experimental Mechanics
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 6 | |
| Section | Metallic Materials | |
| DOI | https://doi.org/10.1051/epjconf/20100602003 | |
| Published online | 10 June 2010 | |
https://doi.org/10.1051/epjconf/20100602003
On the Notch Effect in Low Temperature Carburized Stainless Steel under Fatigue
DIEM Department of Mechanical Engineering, Alma Mater Studiorum
– Università di Bologna, viale Risorgimento 2,
40136
Bologna
a e-mail : giangiacomo.minak@unibo.it
The present paper describes the fatigue behaviour of carburized notched AISI 316 austenitic stainless steel specimens. Rotary four point bending fatigue tests have been performed using carburized smooth specimens with two different values of surface rugosity and notched specimen with two different stress concentration factors Kt, of 3.55 and 6.50 and the effects of carburizing on fatigue strength and notch sensitivity were discussed. Results show a general improvement of the fatigue life due to the treatment for all the series with an apparent notch sensitivity lower than one in the case of blunt notches due to secondary effects that were singled out.
© Owned by the authors, published by EDP Sciences, 2010
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